Verkefni/Projects

• Bættur stöðugleiki og gæði fiskipróteina og peptíða

RITASKRÁ / Publications

RITRÝNDAR GREINAR / Peer reviewed articles

2011:

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

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

2010:

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

2007:

Patricia Yuca Hamaguchi, W. Weng, T. Kobayashi, J. Runglertkreingkrai, M. Tanaka (2007). Effect of fish meat quality on the properties of biodegradable protein films. Food Science and Technology Research 13(3), 200-204.  Grein / Article

Patricia Yuca Hamaguchi, W.Weng, M. Tanaka (2007). Effect of pH on the formation of edible films made from the muscle proteins of Blue marlin (Makaira mazara). Food Chemistry 100(3), 914-920.  Grein / Article

Weng, WY, Patricia Yuca Hamaguchi, K, Osako, M.Tanaka (2007). Properties of edible surimi film as affected by heat treatment of film-forming solution. Food Science and Technology Research 13(4), 391-398. Grein / Article

Weng , WY, Patricia Yuca Hamaguchi, K. Osako, M. Tanaka (2007). Effect of endogenous acid proteinases on the properties of edible films prepared from Alaska pollack surimi. Food Chemistry 105(3), 996-1002. Grein / Article

ÞÁTTTAKA Í RÁÐSTEFNUM / Participation at conferences:

2011:

Patricia Y. Hamaguchi, Hólmfríður Sveinsdóttir, Rósa Jónsdóttir, Hörður G. Kristinsson. Comparison of in-vitro chemical and cellular based antioxidant assays on bioactive marine peptides. Presentation: 41^st WEFTA Meeting, 27-30 September 2011, Gothenburg, Sweden

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.

Margrét Geirsdóttir, Patricia Hamaguchi, Óli Þór Hilmarsson, Irek Klonowzki, Hörður G. Kristinsson. Surimi seafood from byproducts containing omega-3 fatty acids. Presentation: 41^st WEFTA Meeting, 27-30 September 2011, Gothenburg, Sweden.

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.

2010:
P.Hamaguchi, M.Geirsdottir, A. Vrac, H. G. Kristinsson, H. Sveinsdottir, O. H. Fridjonsson, G.O. Hreggvidsson. In-vitro antioxidant and antihypertensive properties of Icelandic sea cucumber (Cucumaria frondosa). IFT Annual meeting and food expo, Chicago, 2010. 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.

2009:

Patricia Hamaguchi, Rósa Jónsdóttir, Annabelle J. C. Vrac, Matís, Hordur G. Kristinsson Bioactivity properties of fractionated capelin (Mallotus villosus) protein. Poster at the IFT annual meeting. Anaheim, CA, June 2009.

2008:

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

Sigrún Mjöll Halldórsdóttir, Patricia Y. Hamaguchi, Margrét Geirsdóttir, Guðjón Þorkelsson, Hörður G. Kristinsson og Arnljótur B. Bergsson. Blóðþrýstingsstýrandi eiginleikar prótína úr skyri og mysu. Fræðaþing landbúnaðarins 2009, 12. – 13. febrúar, 6. árg., s. 375-379. Lesa grein.

Patricia Hamaguchi, Hordur G. Kristinsson, Sivakumar Raghavan, Bergur Benediktsson, Anna M. Johannesdóttir, Margret Geirsdóttir, Sigrun M. Halldorsdóttir, Gudjon Thorkelsson and Ragnar Johannsson, Matis – Icelandic Food Research and University of Florida. Bioactive properties of hydrolysate flavors from blue whiting (Micromesistius poutassou). Veggspjald á ráðstefnunni 8th Joint Meeting of the Seafood Science and Technology Society and Atlantic Fisheries Technology Conference in conjunction with the 1st NC Marine Biotechnology Symposium. North caraolina, October 19-22, 2008.

Sivakumar Raghavan, Hordur G. Kristinsson and Patricia Hamaguchi University of Florida and Matis – Icelandic Food Research. Antioxidant activity of alkali-treated tilapia protein hydrolysates and its different fractions. Veggspjald á ráðstefnunni 8th Joint Meeting of the Seafood Science and Technology Society and Atlantic Fisheries Technology Conference in conjunction with the 1st NC Marine Biotechnology Symposium. North caraolina, October 19-22, 2008.

SKÝRSLUR / REPORTS

Arnljótur B. Bergsson, Aðalheiður Ólafsdóttir, Alexandra M. Klonowski, Ásbjörn Jónsson, Loftur Þórarinsson, María Pétursdóttir, Sigrún Sigmundsdóttir, Patricia Y. Hamaguchi. Framleiðsla fisksósu úr íslensku sjávarfangi með gagnlegri gerjun / Fish Sauce  produced by useful fermentation. Skýrsla Matís 04-12, 14 s.

Hélène L. Lauzon, Patricia Yuca Hamaguchi, Einar Matthíasson. Evaluation of antibacterial and antioxidative properties of different chitosan products. Skýrsla Matís 45-11, 20 s. Lokuð skýrsla. Skýrsluágrip.

Rósa Jónsdóttir, Patricia Hamaguchi, Guðrún Ólafsdóttir, Tao Wang. Gull í greipar Ægis / Antioxidants from Icelandic marine sources. Skýrsla Matís 20-10, 15 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.

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

Margrét Geirsdóttir, Guðmundur Óli Hreggviðsson, Lárus Freyr Þórhallsson, Rósa Jónsdóttir, Patricia Hamaguchi, 2007. Einangrun, hreinsun og rannsóknir á blóðþrýstingslækkandi peptíðum úr fiskpróteinum. Skýrsla Matís 48-07, 46 bls.