Hörður G. Kristinsson

RITASKRÁ / Publications

Peer Reviewed Publications

Yarnpakdee, S., Benjakul, S., Kristinsson, H.G., Maqsood, S. 2012. Effect of pretreatment on lipid oxidation and fishy odour development in protein hydrolysates from the muscle of Indian mackerel. Food Chemistry. 135(4), 2474-2482. Grein / Article

McCoy, S.C., Yarrow, J.F., Conover, C.F., Borsa, P.A., Tillman, M.D., Conrad, B.P., Pingel, J.E., Wronski, T.J., Johnson, S.E., Kristinsson, H.G., Ye, F., Borst S.E. 2012. 17β-Hydroxyestra-4,9,11-trien-3-one (Trenbolone) preserves bone mineral density in skeletally mature orchiectomized rats without prostate enlargement. Bone, 51(4), 667-673. Grein / Article

Yarnpakdee, S., Benjakul, S., Nalinanon, S., Kristinsson, H.G. 2012. Lipid oxidation and fishy odour development in protein hydrolysate from Nile tilapia (Oreochromis niloticus) muscle as affected by freshness and antioxidants. Food Chemistry. 132(4), 1781-1788. Grein / Article

Yarnpakdee, S., Benjakul, S., Kristinsson, H.G. 2012. Effect of pretreatments on chemical compositions of mince from Nile tilapia (Oreochromis niloticus) and fishy odor development in protein hydrolysate. International Aquatic Research. 4(7). Grein / Article 

Wang, T., Jonsdottir, R., Haiyan, L., Gu, L., Kristinsson, H.G., Raghavan, S., Olafsdottir, G. 2012. Antioxidant Capacities of Phlorotannins Extracted from the brown algae Fucus vesiculosus. Journal of Agricultural and Food Chemistry. 60(23), 5874–5883. Grein / Article

Kannan, Arvind; Hettiarachchy, Navam S.; Marshall, Maurice; Raghavan, Sivakumar; Hordur G. Kristinsson. 2011. Shrimp shell peptide hydrolysates inhibit human cancer cell proliferation. Journal of the Sience of Food and Agriculture. 91(10), 1920-1924. Grein / Article

Dekkers, E., Sivakumar, R., Kristinsson, H. G., Marshall, M. R. 2011. Oxidative stability of mahi mahi red muscle dipped in tilapia protein hydrolysates.  Food Chemistry. 124: 640-645. Grein / Article 

Sigrún Mjöll Halldórsdóttir, Patricia Y Hamaguchi, Hólmfríður Sveinsdóttir, Hördur G Kristinsson, Arnljótur B Bergsson, Guðjón Thorkelsson. 2011. Properties of hydrolysed saith protein isolates prepared via pH shift process with and without dewatering. LWT - Food Science and Technology. 44 (10), 1999-2004.  Grein / Article

Davenport, M. P., Kristinsson, H. G. 2011. Channel catfish (Ictalurus punctatus) muscle protein isolate performance processed under differing acid-aided and alkali-aided pH values. Journal of Food Science. 76(3) E240-E247
Grein / Article 

Margret Geirsdottir, Hordur G. Kristinsson, Sjofn Sigurgisladottir, Patricia Yuca Hamaguchi, Gudjon Thorkelsson, Ragnar Johannsson, Magnus Mar Kristjansson. 2011. Enzymatic hydrolysis of blue whiting (Micromesistius poutassou); functional and bioactive properties. Journal of Food Science. 76(1), C14-C20. Grein / Article

Mleko, S., Kristinsson, H.G., Liang, Y., Davenport, M. P., Gustav, W., Tomczynska-Mleko, M. 2010. Rheological properties of Angel Food Cake made with pH unfolded and refolded egg albumen. Lebensmittel-Wissenschaft und-Technologie (LWT - Food Science and Technology). 43(9), 1461-1466. Grein / Article

Ingadottir, B., Kristinsson, H.G. 2010. Gelation of protein isolates extracted from tilapia light muscle by pH shift processing. Food Chemistry. 118(3), 789-798.  Grein / Article 

Shaviklo, GR, Thorkelsson G, Arason S, Sveinsdottir, K. Characteristics of freeze-dried fish protein isolated from saithe (Pollachius virens). Journal of Food Science and Technology. Accepted for Publication August 2010.

Tao Wang, Rósa Jónsdóttir, Hördur G. Kristinsson, Guðmundur Óli Hreggviðsson, Jón Óskar Jónsson, Guðrún Ólafsdóttir. 2010. Enzyme-enhanced extraction of antioxidant ingredients from the red algae Palmaria palmata. LWT – Food Science and Technology. 43(9), 1387-1393. Grein / Article

Tao Wang, Rósa Jónsdóttir, Hördur G. Kristinsson, Gudjon Thorkelsson, Charlotte Jacobsen, Patricia Yuca Hamaguchi, and Gudrun Ólafsdóttir. 2010. Inhibition of haemoglobin-mediated lipid oxidation in washed cod muscle and cod protein isolates by Fucus vesiculosus extract and fractions. Food Chemistry. 123, 321-330.  Grein / Article 

Wang, T., Jonsdottir, R., González, M.J., Medina, I., Kristinsson, H.G., Raghavan, S., and Olafsdottir, G. 2010. Antioxidant properties of solvent extracts and fractions from the brown algae Fucus vesiculosus. Food Chemistry. Under review.

Ke, S., Hultin, H.O., Kristinsson, H.G. 2010. Effect of pH on beef semitendinosus muscle water-holding capacity and tenderness by adjustment to acid pH followed by reversal using marinades. International Journal of Food Science and  Technology. Under review.

Raghavan, S. and Kristinsson, H.G. 2009. ACE-Inhibitory activity of tilapia protein hydrolysates. Food Chem. 117, 582-588

Yagiz, Y., Kristinsson, H. G., Balaban, M. O., Welt B.A., Ralat, M. and Marshall, M.R. 2009. Effect of high pressure processing and cooking treatment on the quality of Atlantic salmon. Food Chem. 116, 828-835

Kristinsson, H.G., Hultin, H.O. and Kelleher, S.D. 2009. Quality Changes in Red Hake (Urophycis chuss) Muscle Induced by Different Freezing Strategies. J. Aquat. Food Prod. Technol. 18, 360-369.

Yagiz, Y., Kristinsson, H. G., Balaban, M. O., Welt B.A. and Marshall, M.R. 2009. Comparison of Minolta and Machine Vision System in Measuring Color of Irradiated Atlantic Salmon. J. Sci. Food Agric. 89, 728-730.

Raghavan, S., Kristinsson, H.G. and Leeuwenburgh, C. 2008. Radical scavenging activity of alkali treated tilapia protein hydrolysates. J. Agric. Food Chem., 56, 10359–10367.

Theodore, A.E., Raghavan, S. and Kristinsson, H.G. 2008. Antioxidative activity of protein hydrolysates prepared from alkaline-aided channel catfish protein isolates. J. Agric. Food Chem. 56, 7459-7466

Mantilla, D., Kristinsson, H.G., Balaban, M.O., Otwell, S.W., Chapman, F.A.and Raghavan, S. 2008. Carbon monoxide treatments to impart and retain muscle color in tilapia fillets. J. Food Sci., 73, C390-C399

Mantilla, D., Kristinsson, H.G., Balaban, M.O., Otwell, S.W., Chapman, F.A.and Raghavan, S. 2008. Color stability of frozen whole tilapia exposed to pre-mortem treatment with carbon monoxide. J. Sci. Food Agric., 88, 1394-1399.

Raghavan, S. and Kristinsson, H.G. 2008. Antioxidative efficacy of alkali treated tilapia protein hydrolysates: A comparative study of five enzymes. J. Agric. Food Chem., 56, 1434-1441.

Raghavan, S. and Kristinsson, H.G. 2008. Conformational and rheological changes in catfish myosin during alkali-induced unfolding and refolding. Food Chem., 107, 385-398

Kristinsson, H. G., Crynen, S. and Yavuz Y. 2008. Effect of filtered wood smoke treatment compared to various gas treatments on aerobic bacteria in yellowfin tuna steaks. Lebensmittel-Wissenschaft und-Technologie (Food Science and Technology). 41, 746-750.

Raghavan, S. and Kristinsson, H.G. 2007. Conformational and rheological changes in catfish myosin as affected by different acids during acid-induced unfolding and refolding. J. Agric. Food Chem., 55, 4144 -4153

Yagiz, Y, Kristinsson, H.G., Balaban, M.O and Marshall, M.R. 2007. Effect of High Pressure Treatment on the Quality of Rainbow Trout (Oncorhynchus mykiss) and Mahi Mahi (Coryphaena hippurus) Journal of Food Science 72 (9), C509–C515.

Richards, M. P., Nelson, N. M., Kristinsson, H. G., Mony, S. S. J., Petty, H. T. and Oliveira, A. C. M. 2007. Effects of heme protein structure and lipid substrate composition on hemoglobin-mediated lipid oxidation. J. Agric. Food Chem. 55(9); 3643-3654.

Theodore, A. and Kristinsson, H. G. 2007. Angiotensin converting enzyme inhibition of fish protein hydrolysates prepared from alkaline-aided channel catfish protein isolate. J. Sci. Food Agric. 87(12), 2353-2357.

Mleko, S., Kristinsson, H. G., Liang Y. and Gustaw, W. 2007. Rheological properties of foams generated from egg albumin after pH treatment. Lebensmittel-Wissenschaft und-Technologie (Food Science and Technology). 5, 908-914.

Kristinsson, H. G., Ludlow, N. and Siriporn, P. 2007. Effect of filtered wood smoke treatment on chemical and microbial changes in mahi mahi fillets. J. Food Sci. 72(1), C016-C024.

Liang, Y. and Kristinsson, H. G. 2007. Structural and foaming properties of egg albumen subjected to different pH-treatments in the presence of calcium ions. Food Res. Int. 40, 668-678.

Glibowski, P., Mleko, S., Wasko, A. and Kristinsson, H.G. 2006. Effect of two-stage heating on Na⁺-induced gelation of whey protein isolate. Milchwissenschaft (Milk Science International) 252-255

Kristinsson, H. G. and Liang, Y. 2006. Effect of pH-shift processing and surimi processing on Atlantic croaker (Micropogonias undulates) muscle proteins. J. Food Sci. 71, C304-C312.

Kristinsson, H. G., Ludlow, N., Balaban, M. O., Otwell, W. S. and Welt, B. A. 2006. Muscle Quality of Yellowfin Tuna (Thunnus albacares) Steaks After Treatment with Carbon Monoxide Gases and Filtered Wood Smoke. J. Aquat. Food Prod. Technol. 15, 49-69.

Kristinsson, H. G. and Ingadottir, B. 2006. Recovery and properties of muscle proteins extracted from tilapia (Oreochromis niloticus) light muscle by pH shift processing. J. Food Sci. 71, E132-E141.

Gnanaraj, J., Welt B. A., Otwell, W. S., Kristinsson, H. G.  2005. Influence of oxygen transmission rate of packaging film on outgrowth of anaerobic bacterial spores. J. Aquat. Food Prod. Technol. 114, 51-69.

Balaban, M. O., Kristinsson, H. G. and Otwell, W. S. 2005. Evaluation of Color Parameters in a Machine Vision Analysis of Carbon Monoxide-Treated Fish. Part I : Fresh Tuna. J. Aquat. Food Prod. Technol. 14, 5-24.

Kristinsson, H. G., Petty, H. T. and Mony, S. 2005. Properties of tilapia carboxy- and oxyhemoglobin at post mortem pH. J. Agric. Food Chem. 53, 3643-3649.

Kristinsson, H. G., Theodore, A. E., Demir, N., and Ingadottir, B.  2005. The recovery of channel catfish muscle proteins using acid and alkali-aided processing vs. surimi processing. J. Food Sci. 70, C298-C306.

Liang, Y. L. and Kristinsson, H. G. 2005. Influence of pH-induced unfolding and refolding of egg white proteins on their foaming properties and conformation. J. Food Sci. 70, C222-230.

Undeland, I., Kristinsson, H.G. and Hultin, H. O., 2004.  Hemoglobin-mediated oxidation of washed minced cod muscle phospholipids: effect of pH and hemoglobin source. J. Agric. Food Chem. 52, 4444-4451.

Kristinsson, H. G. and Hultin, H. O. 2004. Changes in Trout Hemoglobin Conformations and Solubility after Exposure to Acid and Alkali pH. J. Agric. Food Chem. 52, 3633-3643.

Kristinsson, H. G. and Hultin, H. O. 2004. The effect of acid and alkali unfolding and subsequent refolding on the pro-oxidative activity of trout hemoglobin. J. Agric. Food Chem. 52, 5482-5490..

Mendoza, T. F., Welt, B. A., Otwell, W. S., Teixeira, A. A. Kristinsson, H. G., and Balaban, M. O. 2004. Kinetic Parameter Estimation of Commercially Available Time-Temperature Integrators Intended for use with Packaged Fresh Seafood. J. Food Sci. 69(3), 90-96.

Kristinsson, H. G. and Hultin, H. O. 2003. Role of pH and ionic strength on water relationships in washed minced chicken-breast muscle gels. J. Food Sci. 68, 917-922.

Kristinsson, H. G. and Hultin, H. O. 2003. Effect of Low and High pH Treatment on the Functional Properties of Cod Muscle Proteins.  J. Agric. Food Chem. 51, 5103-5110.

Kristinsson, H. G. and Hultin, H. O. 2003. Changes in Conformation and Subunit Assembly of Cod Myosin at Low and High pH and after Subsequent Refolding. J. Agric. Food Chem. 51, 7187 – 7196

Kristinsson, H. G., 2002.  Acid-Induced Unfolding of Flounder Hemoglobin: An Evidence for a Molten Globular State with Enhanced Pro-oxidative Activity.  J. Agric. Food Chem. 50, 7669-7676.

Kristinsson, H. G. 2001.  Evaluation of different methods to isolate cod (Gadus morhua) muscle myosin.  J. Food Biochem. 25(3), 249-256.

Kristinsson, H. G., Jonsdottir, R., Baldursdottir, B., Valdimarsdottir, T. and Thorkelsson, G. 2001.  Influence of feed fat source on fatty acid composition, unsaturation and lipid oxidation of pig backfat and sensory quality of pork. J. Muscle Foods 21, 285-300.

Kristinsson, H. G., Jonsdottir, R. and Thorkelsson, G.  2001. Oxidative stability of pork pepperoni during processing and different packing and storage conditions as influenced by pig feed fat source. J. Muscle Foods 21, 301-315.

Kristinsson, H. G. and Rasco, B. A. 2000. Fish protein hydrolysates: production, biochemical and functional properties. Crit. Rev. Food Sci. Nutr., 40(1), 43-81.

Kristinsson, H. G. and Rasco, B. A. 2000. Biochemical and functional properties of Atlantic salmon (Salmo salar) muscle proteins hydrolyzed with various alkaline proteases. J. Agric. Food Chem. 48, 657-666.

Kristinsson, H. G. and Rasco, B. A. 2000. Kinetics of the enzymatic hydrolysis of Atlantic salmon (Salmo salar) muscle proteins by alkaline proteases and an endogenous enzyme mixture. Process Biochemistry. 36(1-2), 131-139.

Kristinsson, H. G. and Rasco, B. A. 2000. Hydrolysis of salmon muscle proteins by an endogenous enzyme mixture extracted from Atlantic salmon (Salmo salar) pyloric caeca.  J. Food Biochem. 24(3), 177-187.

 

Submitted Manuscripts

Halldorsdottir, S.M., Sveinsdottir, H., Hamaguchi, P.Y. Kristinsson, H.G. Bergsson, A.B. and Thorkelsson, G. 2009. In-vitro antioxidant and antihypertensive activities of saithe protein hydrolysates prepared with an improved alkali-aided process.  J. Food Sci. Under review.

Wang, T., Jonsdottir, R., Kristinsson, H.G., Thorkelsson, G., Jacobsen, C., Hamaguchi, P.Y. and Olafsdottir, G. 2009. Inhibition of haemoglobin-mediated lipid oxidation in washed cod muscle and cod protein isolates by Fucus vesiculosus extract and fractions. Food Chem. Under review.

Wang, T., Jonsdottir, R., Kristinsson, H.G., Raghavan, S., Thorkelsson, G., Jacobsen, C., Hamaguchi, P.Y. and Olafsdottir, G. 2009. Antioxidant activity of solvent extracts and fractions from the brown algae Fucus vesiculosus. Food Chem. Under review.

Wang, T., Jonsdottir, R., Kristinsson, H.G., Hreggvidsson, G. O., Jonsson, J.O., Thorkelsson, G., Olafsdottir, G. 2009. Free radical scavenging and metal chelating activities of enzymatic extracts from the red algae Palmaria palmate. Lebensmittel-Wissenschaft und-Technologie (LWT - Food Science and Technology). Under review.

Geirsdottir, M., Kristinsson, H.G.,Sigurgisladottir, S., Hamaguchi, P.Y., Thorkelsson, G., Johannsson, R. and Kristjansson, M.M. 2009. Enzymatic hydrolysis of blue whiting (Micromesistius poutassou); functional and bioactive properties. J. Food Sci. Under review.

Shavliko, G.R., Thorkelsson, G., Arason, S., Kristinsson, H.G., Sveinsdottir, K. and Martinsdottir, E. 2009. Adding value to saithe through developing a functional fish protein powder: The process and quality attributes. J. Food Sci. Under review.

Huo, L. and Kristinsson, H. G. 2009. Rapid detection of carbon monoxide treated seafood products based on spectral properties of heme proteins.  Food Chem. Under review.

Huo, L. and Kristinsson, H. G. 2009. A Rapid Spectrophotometric Method to Quantify Carbon Monoxide in the Fish Muscle. J. Agric. Food Chem. Under review.

Davenport, M. P. and Kristinsson, H. G. 2009. Channle catfish (Ictalurus punctatus) muscle protein isolate performance processed under differing acid-aided and alkali-aided pH values. J. Food Sci. Under review.

 

Books

Otwell, W. S., Kristinsson, H. G., Balaban. 2006. Modified atmospheric processing and packaging of fish: filtered Smokes, carbon monoxide and reduced oxygen packaging. Ames, IA: Blackwell Publishing. pp. 264.

Book in preparation

Kristinsson, H.G. and Raghavan, S. 2010. Antioxidants and functional components in aquatic foods. Ames, IA: Blackwell Publishing.

Book Chapters

Tao Wang, Guðrún Ólafsdóttir, Rósa Jónsdóttir, Hördur G. Kristinsson, Ragnar Jóhannsson. Functional and nutraceutical ingredients from marine macroalgae. 2011. In: Handbook of Seafood Quality, Safety and Health Applications, chapter 42. Cesarettin Alasalvar, Kazuo Miyashita, Fereidoon Shahidi, Udaya Wanasundara (Editors). Oxford, Wiley-Blackwell. 

Sivakumar Raghavan, Hordur G. Kristinsson, Gudjon Thorkelsson, Ragnar Johannsson. 2010. Antioxidative properties of fish protein hydrolysates. In: Handbook of Seafood Quality, Safety and Health Applications, chapter 41. Cesarettin Alasalvar, Kazuo Miyashita, Fereidoon Shahidi, Udaya Wanasundara (Editors). Oxford, Wiley-Blackwell.

Thorkelsson, G., Slizyte, R., Gildberg, A., Kristinsson, H. G. 2008. Fish proteins and peptides. Processing methods, quality and functionality.  Luten, J, editors. Wageningen, Holland; Wageningen University Press. pp 115-133

Kristinsson, H. G. 2006. Functional and bioactive peptides from hydrolyzed aquatic food proteins. In: Shahidi F and Barrow C, editors. Marine Neutraceuticals and Functional Foods.  Marcel Dekker: New York, NY.  pp. 229-246.

Kristinsson, H.G., Theodore, A. E., Ingadottir. 2006. Chemical processing methods for protein recovery from marine by-products and underutilized fish species. In: Shahidi, F, editor. Maximising the value of marine by-products, Cambridge, UK: Woodhead Publishing. pp. 144-167.

Kristinsson, H.G. 2006. Aquatic food protein hydrolysates. In: Shahidi, F, editor. Maximising the value of marine by-products, Cambridge, UK: Woodhead Publishing. pp. 230-248.

Kristinsson H. G., Balaban M. O., Otwell W. S. 2006. The Influence of Carbon Monoxide and Filtered Wood Smoke on Fish Muscle Color. In: Otwell WS, Kristinsson HG, Balaban MO, editors. Modified atmospheric processing and packaging of fish: filtered Smokes, carbon monoxide and reduced oxygen Packaging. Ames, IA: Blackwell Publishing. pp. 29-49.

Davenport. M. P., Davenport, P. W., Kristinsson, H. G., Otwell, W. S. 2006. Human Absorption of Carbon Monoxide with Consumption of CO-Exposed Tuna. In: Otwell WS, Kristinsson HG, Balaban MO, editors. Modified atmospheric processing and packaging of fish: filtered Smokes, carbon monoxide and reduced oxygen Packaging. Ames, IA: Blackwell Publishing. pp. 50-64.

Kristinsson H. G., Balaban M. O., Otwell W. S. 2006. Microbial and quality consequences of aquatic foods treated with carbon monoxide and filtered wood smoke. In: Otwell WS, Kristinsson HG, Balaban MO, editors. Modified atmospheric processing and packaging of fish: filtered Smokes, carbon monoxide and reduced oxygen Packaging. Ames, IA: Blackwell Publishing. pp. 65-86.

Balaban, M. O., Kristinsson, H. G., Welt, B. A. 2006. Color Enhancement and Potential Fraud in Using CO. In: Otwell WS, Kristinsson HG, Balaban MO, editors. Modified atmospheric processing and packaging of fish: filtered Smokes, carbon monoxide and reduced oxygen Packaging. Ames, IA: Blackwell Publishing. pp. 101-119.

Hultin, H. O., Kristinsson, H. G., Lanier, T. C. and Park, J.W. 2005. Process for Recovery of Functional Proteins by pH Shifts.  In: Surimi and Surimi Seafood 2^nd Ed.; J. W. Park, Ed.; Marcel Dekker: New York, NY., pp. 107-139.

Hui, Y. H., Cross, N., Kristinsson, H. G., Lim, M. H., Nip, W. K., Siow, L. F., and Stanfield P. S. 2005. Biochemistry of Seafood Processing. In: Food Biochemistry and Food Processing. Y. H. Hui Ed. Blackwell Publishing, Ames, IA., pp. 255-289.

Kristinsson, H.G. 2004. The production, properties and utilization of fish protein hydrolysates.  In: Food Biochemistry, 2^nd ed.; K. Shetty, Ed.; Marcel Dekker, New York, pp. 1111-1133.

Kelleher, S.D., Feng, Y.,Kristinsson, H., Hultin, H.O. and McClements, D.J. 2004. Functional fish protein isolates prepared using low ionic strength, acid solubilization/precipitation. In: More Efficient Utilization of Fish and Fisheries Products. Elsevier Science, New York, NY, pp. 407-414.

Kristinsson, H.G. and Demir, N. 2003. Functional Protein Isolates from Underutilized Tropical and Subtropical Fish Species and Byproducts. In: Advances in Seafood Byproduct; P. Bechtel, Ed.; Alaska Sea Grant College Program, University of Alaska, Anchorage, AK, pp. 277-298.

Kristinsson, H. G. and Rasco, B. A.  2002 Fish Protein Hydrolysates and Their Potential use in the Food Industry. In: Recent Advances in Marine Biotechnology Vol 7.; M. Fingerman and R. Nagabhushanam, Eds.; Science Publishers, Inc.: Enfield, NH, pp. 157-181.

Book chapters in press

Kristinsson, H. G., Raghavan, S., Thorkelsson, G. and Johansson, R. 2008. Antioxidative properties of fish protein hydrolysates.  In: Seafood Quality, Safety and Health Effects; C. Alasalvar, K. Miyashita, F. Shahidi and U. Wanasundara; Oxford, UK; Blackwell Publishing.

Tao, W., Jonsdottir, R., Olafsdottir, Kristinsson, H. G. and Johansson, R. 2008. Phytochemical properties of macroalgae.  In: Seafood Quality, Safety and Health Effects; C. Alasalvar, K. Miyashita, F. Shahidi and U. Wanasundara; Oxford, UK; Blackwell Publishing.

Non-peer reviewed reviews

 Kristinsson H.G. and Hultin HO. 2004. Improvements of Water Uptake and Retention in Muscle Products by Manipulation of pH and Ionic Strength. Feedinfo News Service Scientific Reviews. January 2004. Available from URL: http://www.feedinfo.com/.

Proceedings/Extended abstracts

Hólmfríður Sveinsdóttir, Jón Óskar Jónsson, Patricia Y. Hamaguchi, Halldór Benediktsson, Hördur G. Kristinsson, Rósa Jónsdóttir. Functional ingredients in brown seaweed, Fucus vesiculosus. Presentation: 41^st WEFTA Meeting, 27-30 September 2011, Gothenburg, Sweden.

Hamaguchi, P., Bergsson, A., Halldorsdottir, S.M., Thorkelsson, G.,,Kristinsson, H.G. and Johannsson, R. Bioactivity of saithe (Pollachius virens L.) protein hydrolysates. 2008. Proceedings of the 5th World Fisheries Congress. October 21-24, 2008, Yokohama, Japan. 

Kristinsson, H.G., Mony, S. and Mullersman, E. The effect of carbon monoxide on the structural stability of tilapia hemoglobin. http://sst.ifas.ufl.edu/22ndAnn/file11.pdf. Proceedings of the 6^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society.  Meeting on; Advancing Seafood Technology for Harvested and Cultured Products.  October 9-11, 2002, Orlando, FL.

Mendoza, T. F., Welt, B. A., Berger, K., Otwell, W. S., Kristinsson, H. G. Verification of Time Temperature Indicators as Science Based Controls for Safe Use of Vacuum Packaged Seafoodhttp://sst.ifas.ufl.edu/22ndAnn/file41.pdf. Proceedings of the 6^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society.  Meeting on; Advancing Seafood Technology for Harvested and Cultured Products.  October 9-11, 2002, Orlando, FL.

Kristinsson, H. G.Developments with functional fish proteins.  http://www.nfi.org/uploads/Kristinsson.pdf National Fisheries Institutes Seafood Technology Innovations Conference, “Achieving Superior Product Safety & Quality Through Technology,” February 5, 2003.

Otwell, S. W. Kristinsson, H. G., and Balaban, M, O. 2003.  Use of carbon monoxide for the color retention in fish.  In: Proceedings of the First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003, pp. 24-26. June 10-14, Reykjavik, Iceland. Published by The Icelandic Fisheries Laboratories.

Kristinsson, H. G.,Mony, S., Demir, N., Balaban, M, O., and Otwell, S. W.  The effect of carbon monoxide and filtered smoke on the properties of aquatic muscle and selected muscle components.  In: Proceedings of the First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003. pp. 27-29. June 10-14, Reykjavik, Iceland. Published by The Icelandic Fisheries Laboratories.

Kristinsson, H. G.,Demir, N., Ingadottir, B., and Petty, H. The functional and physical properties of protein ingredients made from muscles of warm water fish species. In: Proceedings of the First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003. pp. 301-303. June 10-14, Reykjavik, Iceland. Published by The Icelandic Fisheries Laboratories.

Patents

Hultin, H. O., Kelleher, S. D., Feng, Y., Kristinsson, H. G., Richards, M. P., Undeland, I. A. and Ke, S.  U.S. Patent 7,556,835. “High Efficiency Alkaline Protein Extraction”. July 7, 2009.

Kristinsson, H. G.Methods of improving the properties of egg white proteins. 2006. US Patent 7,005,158.  February 28, 2006.

O'Kelley, L. A., Meller, M. L., Madden, M. S., and Kristinsson, H. G. High Protein Tortillas.  US Patent 7,125,576. October 24, 2006.

Petty, H. T., McCoy, S. C., and Kristinsson, H. G. 2007. Novel Low-Allergenic Food Bar. U.S. Provisional Patent Application No. 11/855,508. Filed September 14, 2007.

White, L. J., Petty, H. T., McCoy, S. C., and Kristinsson, H. G. “Liquid Nutrient Composition for Improving Performance”. US Patent Application No. 60/918,951.  Patent applied for on March 19^th, 2007.

Invited Presentations and lectures

Kristinsson, H. G.Lipid oxidation and control in aquatic foods.  United Nations University. December 2, 2009.

Kristinsson, H. G.Innovation in food processing. Innovative ways to add value to ingredients of marine origin. Nordic Council of Ministers Conference. Nordic values in the Food sector – The way forward in a global perspective. November 16, 2009. Reykjavik, Iceland.

Kristinsson, H.G. Bioactive ingredients from Icelandic raw materials. Lifestyle and prevention conference.  November 14, 2009. Reykjavik, Iceland. 

Kristinsson, H. G.Opportunities in biomolecules and biotechnology in Iceland.  Matis Biotechnology Centre Annual Conference.  Saudarkrokur, Iceland. November 13, 2009.

Kristinsson, H.G. Bioactive peptides from aquatic food by-products. International Society of Nutraceutical and Functional Foods Annual Conference. November 2, 2009. San Francisco, CA

Kristinsson, H. G. Challenges and opportunities with bioactive ingredients from aquatic sources.  Web seminar. Icelandic National Food Research Institute & Ministry of Fisheries and Agriculture. November 18, 2008. Iceland

Kristinsson, H. G.  Opportunities in the utilization of pelagic fish species.  Icelandic National Food Research Institute.  May 26, 2008. Reykjavik, Iceland.

Kristinsson, H. G. The chemistry behind CO and Clearsmoke® processing.  National Fisheries Institute spring meeting. May 15, 2007. Naples, FL.

Kristinsson, H. G.Benefits of seafood products processed with filtered wood smoke.  A presentation to a US Congressional Group and National Fisheries Institute. University of Florida. Aug. 25, 2006. Gainesville, FL. 

Kristinsson, H. G.,Liang, Y. L., Theodore, A. E. and Davenport, M.P.  Functional protein ingredients isolated from channel catfish muscle with pH-shift processing. Aquaculture America 2005.  Jan. 19, 2005, New Orleans, LA.

Kristinsson, H. G.Use and functionality of fish proteins isolated from seafood byproducts.  Department of Seafood Research.  Danish Institute for Fisheries Research. Oct. 18, 2004. Lyngby, Denmark.

Kristinsson, H. G.Proteins recovered from underutilized species and byproducts.  Food and Nutrition Conference of the Food and Nutritionist Organization of Iceland.  Oct. 15, 2004, Reykjavik, Iceland.

Kristinsson, H. G.Using high and low pH processing to produce functional protein ingredients from warm water fish species.  In symposium: Fish Protein Recovery Using pH Shifts.  IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004.

Kristinsson, H. G.Developments with fish proteins. NFI Seafood technology innovations conference. Feb 6, 2003, Orlando, FL.

Kristinsson, H. G.The use of carbon monoxide and filtered smoke on the chemistry and safety of aquatic food products.  Icelandic Fisheries Laboratories and the Department of Food Science, University of Iceland, December 20, 2002, Reykjavik, Iceland.

Kristinsson, H.G.  Production and use of functional ingredients from underutilized fish and the use of carbon monoxide to affect quality of aquatic food products.  Department of Animal Science. University of Florida, Sept. 24, 2002, Gainesville, FL.

Kristinsson, H. G. Effect of acid and base unfolding on the properties of fish proteins.  Icelandic Fisheries Laboratories, June 6, 2001, Reykjavik, Iceland.

Kristinsson, H. G.  Reaction kinetics, biochemical and functional properties of salmon muscle proteins hydrolyzed by different alkaline proteases.  Department of Chemistry, University of Iceland, Jan. 8, 1999, Reykjavik, Iceland.

Presentations and abstracts

Hólmfrídur Sveinsdóttir, Hugrún L. Heimisdóttir, Jónína Jóhannsdóttir, Patricia Y. Hamaguchi, Arnljótur B. Bergsson, Hordur G. Kristinsson and Steinar Svavarsson. Analysis on the bioactivity of fish protein hydrolysates used as feed enrichment for Atlantic cod (Gadus morhua) larvae. 41^st WEFTA Meeting, 27-30 September 2011, Gothenburg, Sweden. Poster presentation

S. Crynen, M. R. Marshall, H. G. Kristinsson, P. Hamaguchi, H. Sveinsdottir, M. Geirsdóttir. Antioxidant properties of peptides derived from cod muscle myosin by enzymatic hydrolysis with trypsin, chymotrypsin and elastase. IFT Annual meeting and food expo, New Orleans, 2011. Poster presentation.

R. Jónsdóttir, J. Ó. Jónsson, H. Sveinsdóttir, P. Hamaguchi, H. Benediktsson, H. G. Kristinsson. Functional Ingredients from Icelandic seaweed. IFT Annual meeting and food expo, New Orleans, 2011. Poster presentation.

H. Sveinsdottir, P. Hamaguchi, H. G Kristinsson, M. Geirsdottir. Bioactivity of marine derived peptides analyzed with a cellular antioxidant assay. IFT Annual meeting and food expo, New Orleans, 2011. Poster presentation.

Rósa Jónsdóttir, Margrét Geirsdóttir, Patricia Y. Hamaguchi, Hörður G. Kristinsson. Inhibition of haemoglobin-mediated lipid oxidation in washed cod muscle by bioactive compounds from marine source. Veggspjald á ráðstefnunni International Marine Ingredients Conference, Oslo, Norway, 20-21 September 2010.

Rósa Jónsdóttir, Patricia Y. Hamaguchi, Margrét Geirsdóttir, Hörður G. Kristinsson. Bioactive compounds from Icelandic marine source. Veggspjald á ráðstefnunni International Marine Ingredients Conference, Oslo, Norway, 20-21 September 2010.

Margret Geirsdottir, Rosa Jonsdottir, HordurG. Kristinsson, Patricia Yuca Hamaguchi, Annabelle Vrac. Comparison of bioactive properties of cod and chicken protein hydrolysates. Veggspjald á ráðstefnunni IFT Annual meeting, Chicago, July 2010.

Wang, T., Jonsdottir, R., Kristinsson, H.G., Thorkelsson, G., Jacobsen, C., Hamaguchi, P.Y. and Olafsdottir. Algal polyphenols as novel natural antioxidants. Third Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2009. Copenhagen, Denmark.

Jonsdottir, R., Wang, T., Gonzalez, M.J., Medina, I., Kristinsson, H.G. and Olafsdottir. 2009. Bioactivity of phlorotannins in brown seaweed, Fucus vesiculosus. Third Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2009. Copenhagen, Denmark.

Shavliko, G.R., Thorkelsson, G., Arason, S., Kristinsson, H.G., Sveinsdottir, K. and Martinsdottir, E. 2009. Effects of different drying methods on lipid oxidation, sensory attributes and functional properties of Saithe surimi. Third Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2009. Copenhagen, Denmark.

Kannan, A., Hettiarachchy, N.S., Marshall, M.R., Raghavan, S. and Kristinsson, H.G. 2009. Shrimp shell peptide hydrolysates inhibit human colon and liver cancer cells. IFT Annual Meeting, Anaheim, CA, Abstract 119-11.

Raghavan, S. and Kristinsson, H.G. 2009. Angiotensin I converting enzyme (ACE) inhibitory activity of tilapia (Oreochromis niloticus) protein hydrolysates. IFT Annual Meeting, Anaheim, CA, Abstract 061-01.

Raghavan, s., Hamaguchi, P., Kristinsson, H.G. and Gathright, G. 2009. Antioxidant activity of tilapia (Oreochromis niloticus) protein hydrolysate fractionates. IFT Annual Meeting, Anaheim, CA, Abstract 057-08.

Kristinsson, H.G.2009. Bioactive peptides from alkali-treated tilapia protein fractionates. IFT Annual Meeting, Anaheim, CA, Abstract 159-20.

Hamaguchi, P., Jonsdottir, R., Vrac, A.J.C. and Kristinsson, H.G. 2009. Bioactivity properties of fractionated capelin (Mallotus villosus) protein hydrolysates. IFT Annual Meeting, Anaheim, CA, Abstract 119-09.

Geirsdottir, M., Sigurgisladottir, S., Hamaguchi, P.Y., Thorkelsson, G., Johannsson, R., Kristinsson, H.G. and Kristjansson, M.M. 2009. Enzymatic hydrolysis of Atlantic cod (Gadus morhua): Functional, chemical, sensorial and bioactive properties. IFT Annual Meeting, Anaheim, CA, Abstract 119-22.

Kristinsson, H.G.,Hamaguchi, P., Raghavan, S., Halldorsdottir, S.M., Johannesdottir, A.M., Geirsdottir, M., Thorkelsson, G., Johannsson, R. and Benediktsson, B. 2009. The effect of extent of hydrolysis on the bioactivity of blue whiting (Micromesistius poutassou) flavor hydrolysates. IFT Annual Meeting, Anaheim, CA, Abstract 119-23.

Tao, W., Olafsdottir, G., Jonsdottir, R., Kristinsson, H.G., Hreggvidsson, G.Ó. 2009. Free radical scavenging and metal chelating activities of enzymatic extracts from the red algae (Palmaria palmata). IFT Annual Meeting, Anaheim, CA, Abstract 118-13.

Aldaous, S. and Kristinsson, H.G. 2009. Carboxy-, oxy- and methemoglobin: A comparison study of Hb-mediated lipid/protein oxidation in a washed minced tilapia muscle. IFT Annual Meeting, Anaheim, CA, Abstract 118-05.

Aldaous, S. and Kristinsson, H.G. 2009. Effect of storage temperatures on the pro-oxidative activity of carboxy-hemoglobin in a washed minced tilapia muscle. IFT Annual Meeting, Anaheim, CA, Abstract 118-03.

Aldaous, S. and Kristinsson, H.G. 2009. Effect of low and high pH on the pro-oxidative activity of oxy-, carbon monoxide- and met-hemoglobin in a washed, minced tilapia muscle system. IFT Annual Meeting, Anaheim, CA, Abstract 057-06.

Aldaous, S. and Kristinsson, H.G. 2009. The role of NaCl on the pro-oxidative activity of oxy-, CO-, and met-hemoglobin in a washed muscle system. IFT Annual Meeting, Anaheim, CA, Abstract 155-11..

Yagiz, Y., Kristinsson, H.G., Balaban, M.O. and Marshall, M.R. 2009. Irradiation treatment on fatty acid profile and microbial growth of Atlantic salmon. IFT Annual Meeting, Anaheim, CA, Abstract 118-28.

Yagiz, Y., Kristinsson, H.G., Balaban, M.O., Welt, B.A., Raghavan, S., and Marshall, M.R. 2009. Relationship between amount of astaxanthin and redness during e-beam treatment of frozen salmon muscle. IFT Annual Meeting, Anaheim, CA, Abstract 057-05.

Huo, L., Kristinsson, H.G., Balaban, M.O., Marshall, M. and Welt, B. 2009. Study of carbon monoxide penetration and location in treated fish muscle. IFT Annual Meeting, Anaheim, CA, Abstract 118-11.

Hamaguchi, P., Kristinsson, H.G., Raghavan, S., Benediktsson, S., Johannesdottir, A. M., Geirsdottir, M., Halldorsdottir, S.M., Thorkelsson, G. and Johannsson, R. 2008. Bioactive properties of hydrolysate flavors from blue whiting (Micromesistius poutassou).  8^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society and the Marine Biotechnology Symposium.  October 19-22, 2008, Wilmington, NC.

Raghavan, S., Kristinsson, H.G. and Hamaguchi, P. 2008 Antioxidant activity of alkali-treated tilapia protein hydrolysates and its different fractions. 8^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society and the Marine Biotechnology Symposium.  October 19-22, 2008, Wilmington, NC.

Raghavan, S. and Kristinsson, H.G. 2008. Inhibitory activity of tilapia protein hydrolysates in human mononuclear cells. 8^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society and the Marine Biotechnology Symposium.  October 19-22, 2008, Wilmington, NC

Hamaguchi, P., Bergsson, A., Halldorsdottir, S.M., Thorkelsson, G., Kristinsson, H.G. and Johannsson, R. Bioactivity of saithe (Pollachius virens L.) protein hydrolysates. 2008. 5^th World Fisheries Congress. October 21-24, 2008, Yokohama, Japan.

Raghavan, S., and Kristinsson, H. G. 2008. Radical scavenging ability of tilapia protein hydrolysates. IFT Annual Meeting, New Orleans , LA , Abstract 096-09.

Raghavan, S., and Kristinsson, H. G. 2008. Hydrolysates from alkali treated tilapia protein isolates as natural antioxidants. IFT Annual Meeting, New Orleans, LA, Abstract 096-10.

Crynen, S. and Kristinsson, H. G. 2008.Effect of key gases found in filtered wood smoke on color, microbial stability, odor and overall acceptability of Yellowfin tuna. IFT Annual Meeting, New Orleans, LA, Abstract 091-29.

Aldaous, S. A., and Kristinsson, H. G. 2008. Effect of NaCl on the pro-oxidative activity of oxy-hemoglobin in a washed minced tilapia muscle system. IFT Annual Meeting, New Orleans, LA, Abstract 091-33.

Huo, L., and Kristinsson, H. G. 2008. Evaluation and comparison of two analytical methods to determine carbon monoxide presence and level in fish muscle. IFT Annual Meeting, New Orleans, LA, Abstract 091-22.

Huo, L., and Kristinsson, H. G. 2008. Improvement of carbon monoxide quantification in fish muscle using gas chromatography. IFT Annual Meeting, New Orleans, LA, Abstract 091-25.

Yagiz,Y.,  Kristinsson, H. G,  Welt B. A., Balaban M. O., Puentos L., Sims C. A., and Marshall M.R. 2008.  Acceptability of irradiation treatment on fresh and frozen Atlantic salmon (Salmo salar) fillets.  IFT Annual Meeting, New Orleans, LA, Abstract 138-14.

Yagiz, Y., Kristinsson, H. G., Balaban, M. O., Welt B.A., Raghavan S., and Marshall, M.R. 2008. Correlation between amount of astaxanthin and a*-value during different dose of irradiation treatment in Atlantic salmon muscle.IFT Annual Meeting, New Orleans, LA, Abstract 091-26.

Raghavan, S., and Kristinsson, H. G. 2007. Conformational changes in catfish myosin due to acid unfolding and refolding. IFT Annual Meeting, Chicago, IL, Abstract 007-01.

Raghavan, S., and Kristinsson, H. G. 2007. Conformational changes in catfish myosin due to alkali unfolding and refolding. IFT Annual Meeting, Chicago, IL, Abstract 003-12.

Davenport, M. P., and Kristinsson, H. G. 2007. Changes in conformation and structural stability of catfish muscle proteins after pH-shift processing. IFT Annual Meeting, Chicago, IL, Abstract 094-02.

Huo, L., and Kristinsson, H. G. 2007. A rapid spectrophotometric method to determine the presence and quantity of carbon monoxide in fish muscle. IFT Annual Meeting, Chicago, IL, Abstract 223-01.

Arikan, G., Demir, N., Ekinci, Y. F., and Kristinsson, H. G. 2007.Quality evaluation of Egirdir common carp fish protein isolates from acid, alkali-aided processing and surimi as assessed by color machine vision, lipid oxidation and microbial load. IFT Annual Meeting, Chicago, IL, Abstract 117-03.

Martinez, L. F., Cevallos, J. M., Balaban, M. O., and Kristinsson, H. G. 2007.Effect of carbon monoxide and ozone on the bloodline color of yellowfin tuna.  IFT Annual Meeting, Chicago, IL, Abstract 052-11.

Hussain, S., and Kristinsson, H. G. 2007. Effect of tilapia protein isolate on water-holding capacity and quality of tilapia fillets.  IFT Annual Meeting, Chicago, IL, Abstract 003-11.

Crynen, S., and Kristinsson, H. G. 2007.A rapid gas chromatography identification method for muscle foods treated with smoke and carbon monoxide.   IFT Annual Meeting, Chicago, IL, Abstract 094-12.

Yagiz, Y., Balaban, M. O., Marshall, M. R., and Kristinsson, H. G. 2007. Effect of high pressure processing on color and texture in Atlantic salmon (Salmo salar) muscle.    IFT Annual Meeting, Chicago, IL, Abstract 189-17.

Yagiz, Y., Balaban, M. O., Marshall, M. R., and Kristinsson, H. G. 2007. Comparison of high pressure treatment on texture and color of rainbow trout and mahi mahi. IFT Annual Meeting, Chicago, IL, Abstract 052-19.

Aldaous, S. A., and Kristinsson, H. G. 2007. Comparative properties of carboxy-, oxy- and met-hemoglobin in a washed minced tilapia muscle. IFT Annual Meeting, Chicago, IL, Abstract 007-17.

Petty, H. T., and Kristinsson, H. G. 2007. Effect of acid and alkali aided processing on lipid and protein oxidation. IFT Annual Meeting, Chicago, IL, Abstract 094-19.

Petty, H. T., and Kristinsson, H. G. 2007. Effect of acid and alkali aided processing on lipid and protein oxidation. IFT Annual Meeting, Chicago, IL, Abstract 094-21.

Kristinsson, H. G.,Theodore, A. E., Petty, H. T., and Raghavan, S. 2006. Bioactive properties of protein hydrolysates products from channel catfish protein isolate. Second Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2006. October 29-November 1, Quebec, Canada.

Kristinsson, H. G.,Mony, S. S. J., and Aldaous, S. A. 2006. Comparative properties of carboxy-, oxy- and met-hemoglobin from tilapia. Second Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2006. October 29-November 1, Quebec, Canada.

Liang. Y. and Kristinsson, H. G. 2006. Foaming properties and foam rheology of egg albumen after a pH-induced unfolding and refolding treatment in the presence of Ca²⁺. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 054D-04

Liang, Y., Kristinsson, H. G., Demir, N., Hussain, S., Hoffman, P., Davenport, M., Aldaous, S. A. 2006. Recoveries and properties of protein isolates and surimi from Atlantic croaker (Micropogonias undulates). IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 020A-07.

Yagiz, Y., Kristinsson, H. G., Ralat, M. A., Balaban, M. O., Marshall, M. R. 2006.The effect of high pressure and heat treatment on lipid oxidation and polyunsaturated fatty acid composition in Atlantic salmon (Salmo salar). IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 039A-09.

Raghavan, S. and Kristinsson, H. G. 2006. Effect of acid and base types on the gelation properties of catfish myosin. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 054D-10.

Petty, H. T., Bello-Malabu, J. I., Theodore, A. E., Kristinsson, H. G. 2006. Antioxidative potential of soluble and insoluble fractions of protein hydrolysates made from catfish protein isolates. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 020A-13

Huo, L. and Kristinsson, H. G. 2006. Validation of a rapid method to determine carbon monoxide treatment of fish muscle based on heme protein spectral characteristics. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 039A-15.

Mantilla, D., Kristinsson, H. G., Balaban, M. O., Otwell, W. S., and Chapman, F. A. 2006. Effect of conventional gas treatment and euthanasia of tilapia with carbon monoxide on muscle color, heme proteins, and carbon monoxide binding. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 039A-18.

Crynen, S. and Kristinsson, H. G. 2006.Properties of trehalose as a cryoprotectant and stabilizer of tilapia protein isolate. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 020A-20.

Davenport, M. P. and Kristinsson H. G. 2006. Influence of different setting temperatures on the gel forming ability of catfish protein isolates. IFT Annual Meeting, July 24-28, Orlando, FL. Abstract 020A-21.

Yagiz, Y., Kristinsson, H. G., Balaban M. O. and Marshall, M. R. 2005 Comparison of high pressure treatment on the quality of rainbow trout and mahi mahi.  SST-AFT Meeting, Nov. 1-3, Norfolk, VA.

Yagiz, Y., Kristinsson, H. G., Balaban M. O. and Marshall, M. R. 2005 Comparison of high pressure treatment on the quality of rainbow trout and mahi mahi  IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract  89A-15.

Yagiz, Y., Kristinsson, H. G., Balaban M. O. and Marshall, M. R. 2005 Effect of high pressure treatment on atlantic salmon (Salmo salar) muscle. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract  89A-17.

Davenport, M., Kristinsson, H. G., Lanier, T. C. and Riemann, A. E. 2005.Effect of rapid vs. slow heating on the gelation mechanisms of catfish protein isolates. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 89F-14.

Liang, Y., Kristinsson, H. G. and Mleko, S. 2005. Rheological properties of egg albumen after a pH-induced unfolding and refolding regime.  IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 71B-23 

Kristinsson, H. G.,Richards, M. P., Petty, H. T, Nelson, N. M. and Mony, S. 2005. A comparative study on the stability and pro-oxidative activity of rainbow trout and tilapia hemoglobin. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 71B-29 

Mantilla, D., Kristinsson, H. G., Otwell, W. S., Balaban, M. O. and Chapman, F. A. 2005. Euthanasia of tilapia (Oreochromis niloticus) using carbon monoxide for red color stabilization.  IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 89A-37 

Theodore, A. E. and Kristinsson. H. G. 2005.Bioactive properties of fish protein hydrolysates at varying degrees of hydrolysis made from catfish protein isolates  IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 50-5 

Liang, Y. and Kristinsson, H. G. 2005. Foaming properties of egg albumen after a pH-induced unfolding and refolding regime in the presence of Ca²⁺. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 71B-22 

Ingadottir, B. and Kristinsson, H. G. 2005.Recovery and gel forming ability of proteins recovered from tilapia muscle with acid and alkali aided solubilization and precipitation. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 89B-31 

Davenport, M., Kristinsson, H. G. and Nguyen, H. Q. 2005. Effect of cold storage and freezing of ground catfish muscle prior to acid or alkali-aided isolation of muscle proteins. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 89B-33 

Huo, L. and Kristinsson, H. G. 2005. Rapid detection of carbon monoxide treated seafood products based on spectral properties of heme proteins. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 89A-35 

Demir, N. and Kristinsson, H. G. 2005. Objective quality assessments of goat meat steaks treated by different carbon monoxide concentrations and filtered smoke using color machine vision system. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 68-9 

Demir, N. and Kristinsson, H. G. 2005. Quality changes in lamb steaks treated by different carbon monoxide concentrations and filtered smoke as assessed by color machine vision and lipid oxidation. IFT Annual Meeting, July 15-20, New Orleans, LA. Abstract 68-10.   

Kristinsson, H. G.,Balaban, M. O. and Otwell, W.S. 2005. The influence of carbon monoxide and filtered wood smoke on fish muscle color.  NFI Seafood technology innovations conference: Modified Atmospheric Processing and Packaging of Fish. Feb 1-3, 2005, Orlando, FL.

Davenport, M. P., Davenport, P., Kristinsson, H. G. and Otwell, W.S. 2005.  Food safety during consumption. NFI Seafood technology innovations conference: Modified Atmospheric Processing and Packaging of Fish. Feb 1-3, 2005, Orlando, FL.

Kristinsson, H. G.,Balaban, M. O. and Otwell, W. S. 2005. Microbial and quality consequences of aquatic foods treated with carbon monoxide and filtered wood smoke. NFI Seafood technology innovations conference: Modified Atmospheric Processing and Packaging of Fish. Feb 1-3, 2005, Orlando, FL.

Balaban, M. O., Kristinsson, H. G. and Otwell, W. S. 2005. Addressing product enhancement and potential fraud of seafood products treated with carbon monoxide and filtered smoke. NFI Seafood technology innovations conference: Modified Atmospheric Processing and Packaging of Fish. Feb 1-3, 2005, Orlando, FL.

Otwell, W.S., Balaban, M. O. and Kristinsson, H. G. 2005. Introduction and historical perspective. NFI Seafood technology innovations conference: Modified Atmospheric Processing and Packaging of Fish. Feb 1-3, 2005, Orlando, FL.

Davenport, M., Theodore, A. E. and Kristinsson, H. G. 2004. Influence of insoluble muscle components on the gelation properties of catfish protein isolates made with acid and alkali-aided processing.  IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 83A-21.

Davenport, M. and Kristinsson, H. G. 2004. Effect of different acid and alkali-treatments on the molecular and functional properties of catfish muscle proteins. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 49G-14.

Ingadottir, B. and Kristinsson, H. G. 2004.Effects of low and high pH treatments on solubility and viscosity of tilapia light muscle homogenates. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 17E-20.

Petty, H. T. and Kristinsson, H. G. 2004. Impact of antioxidants on lipid oxidation during acid and alkali processing of spanish mackerel. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 49B-7.

Liang, Y. L and Kristinsson, H. G. 2004. Influence of pH-induced unfolding and refolding of egg white proteins on their foaming properties and conformation. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 17E-13. 

Demir, N., Kristinsson, H. G. and Balaban, M. O. 2004. Quality changes in mahi mahi (Coryphaena hippurus) fillets treated by different carbon monoxide concentrations and filtered smoke as assessed by color machine vision and lipid oxidation. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 63-8.

Kristinsson, H. G., Phares, M. And Chapman, F. 2004. Effect of different feeds on the composition and quality of Russian sturgeon (Acipenser gueldentstaedtii). IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 49B-11.

Mony, S. and Kristinsson, H. G. 2004. Thermal denaturation and oxidative stability of carboxy-, oxy- and met-hemoglobin from tilapia. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 17E-17.

Ludlow, N., Kristinsson, H. G., Balaban, M. O., Otwell, W. S. and Welt, B. 2004. Effect of different carbon monoxide and filtered smoke treatments on the quality and safety of yellowfin tuna (Thunnus albacares) muscle. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 49B-26.

Garner, K. and Kristinsson, H. G. 2004. Quality of Spanish mackerel (Scomberomorous maculatus) muscle as affected by carbon monoxide and filtered smoke gas treatment. IFT Annual Meeting, Las Vegas, NV, July 12-16, 2004, Abstract 49B-12.

Larkin, S., C. Adams, R. Degner, S. Otwell, G. Rodrick, M. Balaban, H. G. Kristinsson, K. Schneider, A. Wright, and W. Mahan. 2004. “An Analysis of New Products and New Seasons for the Florida Oyster Industry.” First Meeting of W1004: Marketing, Trade, and Management of Fisheries and Aquatic Resources, Astoria, OR. June 2, 2004.

Kristinsson, H. G.,Ludlow, N., Demir, N., Garner, K., Otwell, S. W.,  Balaban, M, O., and Welt, B. A. 2003. The effect of various carbon monoxide and filtered smoke treatments on the quality and safety of aquatic foods. Annual Meeting of the Seafood Science and Technology Society of the Americas. November 3-6, 2003, Biloxi, MS.

Kristinsson, H. G.2003. Production and properties of functional protein ingredients from catfish muscle using novel acid and alkali-processing techniques. Catfish Processors Conference.  October 21-22, 2003. Mississippi State University, Starkville, MS.

Kristinsson, H. G.Developments with functional fish proteins.  National Fisheries Institutes Seafood Technology Innovations Conference, “Achieving Superior Product Safety & Quality Through Technology,” February 5, 2003.

Otwell, S. W. Kristinsson, H. G., and Balaban, M, O.  Use of carbon monoxide for the color retention in fish.  First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003. June 10-14, Reykjavik, Iceland.

Kristinsson, H. G.,Mony, S., Demir, N., Balaban, M, O., and Otwell, S. W.  The effect of carbon monoxide and filtered smoke on the properties of aquatic muscle and selected muscle components.  First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003. June 10-14, Reykjavik, Iceland.

Kristinsson, H. G.,Demir, N., Ingadottir, B., and Petty, H. The functional and physical properties of protein ingredients made from muscles of warm water fish species. First Joint Trans-Atlantic Fisheries Technology Conference – TAFT 2003. June 10-14, Reykjavik, Iceland.

Kristinsson, H. G.,Mony, S., and Garner, K. S. The effect of carbon monoxide on autoxidation, peroxidase and pro-oxidative activity of hemoglobin from tilapia. IFT Annual Meeting, Chicago, IL, Abstract 42-5, 2003.

Kristinsson, H. G.and Ingadottir, B. Acid and alkali unfolding and refolding strategies improve the foaming properties of egg albumen. IFT Annual Meeting, Chicago, IL, Abstract 42-4, 2003.

Mony, S., Petty, H. T., Mullersman, E. and Kristinsson, H. G. The conformational stability of CO-hemoglobin compared to oxy- and met-hemoglobin from tilapia. IFT Annual Meeting, Chicago, IL, Abstract 60B-17, 2003.

Davenport, M. and Kristinsson, H. G. Low and high pH treatments induce a molten globular structure in myosin which improves its gelation properties. IFT Annual Meeting, Chicago, IL, Abstract 42-9, 2003.

Kristinsson, H. G.and Crynen, S. The effect of acid and alkali treatments on the gelation properties of sarcoplasmic and myofibrillar proteins from channel catfish. IFT Annual Meeting, Chicago, IL, Abstract 87-3, 2003.

Theodore, A. E. and Kristinsson, H. G. The effect of pH and salt on the gelation properties of catfish surimi and catfish protein isolates from acid and alkali-aided processing. IFT Annual Meeting, Chicago, IL, Abstract 76A-10, 2003.

Demir, N. and Kristinsson, H. G. Comparison of surimi with acid and alkali produced protein isolates made from warm and temperate water fish species. IFT Annual Meeting, Chicago, IL, Abstract 76A-9, 2003.

Demir, N. and Kristinsson, H. G. Composition, quality and physicochemical properties of catfish surimi compared to catfish protein isolates from acid and alkali-aided processing. IFT Annual Meeting, Chicago, IL, Abstract 40-8, 2003.

Demir, N. and Kristinsson, H. G. and Balaban, M. O. Quality changes in catfish protein isolates and surimi as assessed by color machine vision and lipid oxidation. IFT Annual Meeting, Chicago, IL, Abstract 92D-15, 2003.

Demir, N. and Kristinsson, H. G. and Balaban, M. O. Objective quality assessment of fish protein isolates and surimi using color machine vision and measurements of lipid oxidation products. IFT Annual Meeting, Chicago, IL, Abstract 40-7, 2003.

Gnanaraj, J. G., Welt, B. A., Otwell, W. S., Berger, K. R. and Kristinsson H. G. Reduced oxygen packaging of fresh seafood. IFT Annual Meeting, Chicago, IL, Abstract 27-7, 2003.

Kristinsson, H. G.Functional protein isolates from underutilized tropical and subtropical fish species and byproducts. Second International Seafood Byproduct Conference, Alaska Sea Grant, Nov. 12, 2002, Anchorage, Alaska.

Kristinsson, H.G., Mony, S. and Mullersman, E. The effect of carbon monoxide on the structural stability of tilapia hemoglobin. 6^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society.  October 9-11, 2002, Orlando, FL.

Mendoza, T. F., Welt, B. A., Berger, K., Otwell, W. S., Kristinsson, H. G. Verification of Time Temperature Indicators as Science Based Controls for Safe Use of Vacuum Packaged Seafood. 6^th Joint meeting of the Seafood Science and Technology Society of the Americas and the Atlantic Fisheries Technology Society.  Meeting on; Advancing Seafood Technology for Harvested and Cultured Products.  October 9-11, 2002, Orlando, FL.

Kristinsson, H. G.The pro-oxidative activity of acid unfolded molten globular intermediates of flounder hemoglobin. IFT Annual Meeting, June 2002, Anaheim, CA.

Kelleher S. D., Feng Y., Kristinsson H., Hultin H. O., McClements D. J. Functional fish protein isolates prepared using low ionic strength, acid solubilization/precipitation.  70^th Anniversary of the Japanese Society of Fisheries Science, International Commemorative Symposium on More Efficient Utilization of Fish and Fisheries Products, October 2001, Kyoto, Japan.

Kristinsson, H. G.and Hultin, H. O.  Effect of extreme pH on the conformation and pro-oxidative activity of fish hemoglobins.  31^st Western European Fisheries Technologists Association Meeting, May 2001, Espoo, Finland.

Kristinsson, H. G.and Hultin, H. O.  The effect of acid and base unfolding on conformational and structural changes of cod muscle proteins and effect on their properties upon refolding.  IFT Annual Meeting, 2001, New Orleans, LA.

Kristinsson, H. G.and Hultin, H. O.  pH induced unfolding of fish hemoglobins: Effect on conformation and the pro-oxidative activity of the unfolded and refolded protein.  IFT Annual Meeting, 2001, New Orleans, LA.

Kristinsson, H. G.and Hultin, H. O.  Water uptake and water holding capacity of chicken breast muscle gels as influenced by pH and salt.  IFT Annual Meeting, June 12 2000, Dallas, TX

Kristinsson, H. G.and Rasco, B. A.  Comparison of the biochemical properties of salmon muscle proteins hydrolyzed with different alkaline proteases.  IFT Annual Meeting, June 24, 1998, Atlanta, GA.

Kristinsson, H. G.and Rasco, B. A.  Biochemical properties of salmon muscle proteins hydrolyzed to 5, 10 and 15% degrees of hydrolysis by different alkaline proteases.  Pacific Fisheries Technologist Annual Conference, Feb. 22 1998, Seattle, WA

Kristinsson, H. G.  Lipid oxidation of backfat and pepperoni from pigs fed different fat sources.  Agricultural Research Institute, Aug 13, 1996, Reykjavik, Iceland.

SKÝRSLUR / REPORTS

2009:

Ragnheiður Sveinþórsdóttir, Hörður G. Kristinsson, Jónína Jóhannsdóttir, Arnljótur Bjarki Bergsson. Fituflegnar ufsaafurðir. Skýrsla Matís 27-09, 8 s.

Guðjón Þorkelsson, Hörður G. Kristinsson. Bioactive Peptides from Marine Sources. State of Art. Report to the NORA fund. Skýrsla Matís 14-09, 19 s.

Patricia Y. Hamaguchi, Sigrún Mjöll Halldórsdóttir, Hörður G. Kristinsson, Arnljótur Bjarki Bergsson, Guðjón Þorkelsson.Bioactive properties of whey proteins / Lífvirkir eiginleikar mysupróteina. Skýrsla Matís 06-09, 7 s.

2008:

Arnljótur B. Bergsson, Margrét Geirsdóttir, Rósa Jónsdóttir, Þóra Valsdóttir, Hörður G. Kristinsson, Guðjón Þorkelsson. 2008. A brief summary of processing fish proteins. Skýrsla Matís 36-08. Lokuð skýrsla.

Sigrún Mjöll Halldórsdóttir, Patricia Y. Hamaguchi, Ragnar Jóhannsson, Sigurður Hauksson, Hörður G. Kristinnsson og Guðjón Þorkelsson.2008. Efnasamsetning og eiginleikar ufsa ísólats / Chemical composition and properties of saithe isolate – Skýrsla Matís 20-08.