Rósa Jónsdóttir

Sérþekking:

Bragðefni, Fita, Þránun, Andoxunarefni, Lífefni, Lífvirk efni, Þörungar, Innihaldsefni í matvælum

Verkefni:

Ritrýndar greinar:

Ana Rotter, Despoina Varamogianni-Mamatsi, Alenka Zvonar Pobirk, Mirjam Gosenca Matjaž, Mercedes Cueto, Ana R. Díaz-Marrero, Rósa Jónsdóttir, Kolbrún Sveinsdóttir, Teresa S. Catalá, Giovanna Romano, Bahar Aslanbay Guler, Eylem Atak, Maja Berden Zrimec, Daniel Bosch, Irem Deniz, Susana P. Gaudêncio, Ernesta Grigalionyte-Bembič, Katja Klun, Luen Zidar, Anna Coll Rius, Špela Baebler, Lada Lukić Bilela, Baruch Rinkevich, Manolis Mandalakis. Marine cosmetics and the blue bioeconomy: From sourcing to success stories - (2024). iScience, Volumer 27, Issue 12. https://doi.org/10.1016/j.isci.2024.111339

Sophie Jensen, Júlía Karítas Helgadóttir, Rósa Jónsdóttir. Bioactivity Screening of Extracts from Icelandic Seaweeds for Potential Application in Cosmeceuticals - (2024). Phycology, 4, 576-588. https://doi.org/10.3390/phycology4040031

Rósa Jónsdóttir, Guðrún Ólafsdóttir. Volatile Aroma Compounds in Marine Resources - (2024). Handbook of Seafood and Seafood Products Analysis, 2nd , .

Ana Rotter, Michéle Barbier, et.al.. The Essentials of Marine Biotechnology - (2021). Frontiers in Marine Science, March, .

Corsetto PA, Montorfano G, Zava S, Colombo I, Ingadottir B, Jonsdottir R, Sveinsdottir K, Rizzo AM. Characterization of Antioxidant Potential of Seaweed Extracts for Enrichment of Convenience Food - (2021). Antioxidants , 9, 249.

Pierrick Stévant, Aðalheiður Ólafsdóttir, Paul Déléris, Justine Dumay, Joël Fleurence, Bergrós Ingadóttir, Rósa Jónsdóttir, Émilie Ragueneau, Céline Rebours, Turid Rustad. Ageing gracefully? Semi-dry storage as a maturation process to develop the sensory characteristics of the edible red seaweed dulse (Palmaria palmata). - (2020). Algal Research, Volume 51, .

Pierrick Stévant, Aðalheiður Ólafsdóttir, Paul Déléris, Justine Dumay, Joël Fleurence, Bergrós Ingadóttir, Rósa Jónsdóttir, Émilie Ragueneau, Céline Rebours, Turid Rustad. Data on the sensory characteristics and chemical composition of the edible red seaweed dulse (Palmaria palmata) after dry and semi-dry storage. - (2020). Data in Brief, Volume 33, .

Jannicke Fugledal Remme, Guro Møen Tveit, Morten Bondø, Rasa Slizyte, Aðalheiður Ólafsdóttir, Rósa Jónsdóttir, Margrét Geirsdóttir and Ana Karina Carvajal. Valorisation of frozen cod (Gadus morhua) heads, captured by trawl and longline by the oceanic fleet, by enzymatic hydrolysis - (2020). Journal of Aquatic Food Product Technology, Volume 33, .

Roleda, M.Y., Marfaing, H., Desnica, N., Jónsdóttir, R., Skjermo, J., Rebours, C. Nitschke, U.. Variations in polyphenol and heavy metal contents of wild-harvested and cultivated seaweed bulk biomass: Health risk assessment and implication for food applications - (2019). Food Control, 95, 121-134.

Hermund, D., Jacobsen, C., Chronakis, I.S., Pelay, A., Sen Yu, Busolo, M., Jose M. Lagaron, J.M., Jónsdóttir, R., Kristinsson, H.G., Akoh, C.C., García-Moreno, P.J.. Stabilization of Fish Oil-Loaded Electrosprayed Capsules with Seaweed and Commercial NaturalAntioxidants: Effect on the Oxidative Stability of Capsule-Enriched Mayonnaise - (2019). European Journal of Lipid Science and Technology, 121(4), .

Bak, U.G., Wirenfeldt Nielsen C., Marinho, G.S., Gregersen, Ó., Jónsdóttir, R., Løvstad Holdt, S.. The seasonal variation in nitrogen amino acids protein and nitrogen-to-proteinconversion factor of commercially cultivated Faroese Saccharina latissimi - (2019). Algal Research, 42 (September), 101576.

Roleda, M.Y., Skjermo, J., Marfaing, H., Jónsdóttir, R., Rebours, C., Gietl, A., Stengel, D.B., Nitschke, U.. Iodine content in bulk biomass of wild-harvested and cultivated edible seaweeds: Inherent variations determine species-specific daily allowable consumption - (2018). Food Chemistry, 254, 333-339.

Hermund, D.B., Plaza, M., Turner, C., Jónsdóttir, R., Kristinsson, H.G., Jacobsen, C., Nielsen, K.F.. Structure dependent antioxidant capacity of phlorotannins from Icelandic Fucus vesiculosus by UHPLC-DAD-ECD-QTOFMS - (2018). Food Chemistry, 240, 904-909.

Bjarnadóttir, M., Aðalbjörnsson, B.V., Nilsson, A., Slizyte, R., Roleda, M.Y., Hreggviðsson, GÓ., Friðjónsson, Ó.H., Jónsdóttir, R., R.. Palmaria palmata as an alternative protein source: enzymatic protein extraction, amino acid composition, and nitrogen-to-protein conversion factor - (2018). Journal of Applied Phycology, 30(3), 2061-2070.

Poyato C., Raagaard Thomsen B., Hermund D.B., Ansorena D., Astiasaran I., Jónsdóttir R., Kristinsson, H.G., Jacobsen C.. Antioxidant effect of water and acetone extracts of Fucus vesiculosuson oxidative stability of skin care emulsions: Seaweed extracts in skin care products - (2017). European Journal of Lipid Science and Technology, 119(3), .

Karadağ A., Hermund D.B., Sogaard Jensen L.H., Andersen U., Jónsdóttir R., Kristinsson H.G., Alasalvar C., Jacobsen C.. Oxidative stability and microstructure of 5% fish-oil-enriched granola bars added natural antioxidants derived from brown alga Fucus vesiculosus: Lipid oxidation in foods and antioxidant application - (2017). European Journal of Lipid Science and Technology, 119(4), .

Jamnik, P., Istenic, K., Kostomaj, T., Wulff, T., Geirsdóttir, M., Almgren, A., Jónsdóttir, R., Kristinsson, H.G., Undeland, I.. Bioactivity of cod and chicken protein hydrolysates before and after in vitro gastrointestinal digestion - (2017). Food Technology and Biotechnology, 55(3), 360-367.

Adalbjornsson B.V., Jonsdottir R.. Enzyme-Enhanced Extraction of Antioxidant Ingredients from Algae - (2016). Methods in molecular biology, 1308, 145-150.

Honold P.J., Jacobsen C., Jónsdóttir R., Kristinsson H.G., Hermund D.B.. Potential seaweed-based food ingredients to inhibit lipid oxidation in fish-oil-enriched mayonnaise - (2016). European Food Research and Technology, 24, 571-584.

Jonsdottir, R., Geirsdottir, M., Hamaguchi, P.Y., Jamnik, P., Kristinsson, H.G., Undeland, I.. The ability of in vitro antioxidant assays to predict the efficiency of a cod protein hydrolysate and brown seaweed extract to prevent oxidation in marine food model systems - (2016). Journal of the Science of Food and Agriculture, 96(6), 2125-2135.

Honold, P.J., Jacobsen, C., Jónsdóttir, R., Kristinsson, H.G., Hermund, D.B.. Potential seaweed-based food ingredients to inhibit lipid oxidation in fish-oil-enriched mayonnaise - (2016). European Food Research and Technology, 242, 571-584.

Hermund, D.B. Karadağ, A, Andersen, U., Jonsdóttir, R., Kristinsson, H.G., Alasalvar, C., & Jacobsen, C.. Oxidative Stability of Granola Bars Enriched with Multilayered Fish Oil Emulsion in the presence of Novel Brown Seaweed Based Antioxidants - (2016). Journal of Agricultural and Food Chemistry, 64(44), 8359-8368.

Larsson K., Istenic K., Wulff T., Jónsdóttir, R., Kristinsson, H. G., Freysdóttir, J., Undeland, I., Jamnik, P.. Effect of in vitro digested cod liver oil of different quality on oxidative, proteomic and inflammatory responses in the yeast Saccharomyces cerevisiae and human monocyte-derived dendritic cells - (2015). Journal of the Science of Food and Agriculture, 95(15), 3096-3106.

Hermund D.B., Yeşiltaş R., Honold P., Jónsdóttir R., Kristinsson H.G., Jacobse, C.. Characterisation and antioxidant evaluation of Icelandic F. vesiculosus extracts in vitro and in fish-oil-enriched milk and mayonnaise - (2015). Journal of Functional Foods, 19(Part B), 828-841.

Dellarosa N., Laghi L., Martinsdottir E., Jonsdottir, R., Sveinsdottir, K.. Enrichment of convenience seafood with omega-3 and seaweed extracts: Effect on lipid oxidation - (2015). LWT-Food Science and Technology, 62(1), 746-752.

Reynisson, E., Marteinsson, V. Th., Jonsdottir, R., Magnusson, S. H., Hreggvidsson, G.O.. Bacterial succession during curing process of a skate (Dipturus batis) and isolation of novel strains - (2012). Journal of Applied Microbiology, 113(2), 329-338.

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

Tao Wang, Guðrún Ólafsdóttir, Rósa Jónsdóttir, Hördur G. Kristinsson, Ragnar Jóhannsson. Functional and nutraceutical ingredients from marine macroalgae. In: Handbook of Seafood Quality, Safety and Health Applications - (2011). , , Kafli 42.

Rósa Jónsdóttir, Kolbrún Sveinsdóttir, Hannes Magnússon, Sigurjón Arason, Kristin Lauritzsen, Kristín Anna Thórarinsdóttir. Flavor and quality characteristics of salted and desalted cod (Gadus morhua) produced by different salting methods - (2011). Journal of Agricultural and Food Chemistry, 59(8), 3893-3904.

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

Guðrún Ólafsdóttir, Rósa Jónsdóttir. Volatile Aroma Compounds in fish. In: Handbook of Seafood and Seafood Products Analysis - (2009). Boca Raton, CRC Press, , 97-120.

Tao Wang, Rósa Jónsdóttir, Guðrún Ólafsdóttir. Total phenolic compounds, radical scavenging and metal chelation of extracts from Icelandic seaweeds - (2009). Food Chemistry, 116, 240-248.

Eyjólfur Reynisson, Hélène Liette Lauzon, Hannes Magnússon, Rósa Jónsdóttir, Guðrún Ólafsdottir, Viggó Marteinsson, Guðmundur Óli Hreggviðsson. Bacterial composition and succession during storage of North-Atlantic cod (Gadus morhua) at superchilled temperatures - (2009). BMC Microbiology, 9(1), 250.

Rósa Jónsdóttir, Guðrún Ólafsdóttir, Erik Chanie, John-Erik Haugen. Volatile compounds suitable for rapid detection as quality indicators of cold smoked salmon (Salmo salar) - (2008). Food Chemistry, 109, 184-195.

Rosa Jonsdottir, Gudrun Olafsdottir, Sigurður Hauksson and Jon Magnus Einarsson. Flavorants from Seafood Byproducts. Handbook of Food Products Manufacturing: Health, Meat, Milk, Poultry, Seafood, and Vegetables - (2007). John Wiley & Sons, 2, 931-946.

Rósa Jónsdóttir, Margrét Bragadóttir, Guðrún Ólafsdóttir. The role of volatile compounds in odor development during hemoglobin-mediated oxidation of cod muscle membrane lipids - (2007). Journal of Aquatic Food Product Technology, 16(4), 67-86.

Skýrslur:

Náttúruleg húðvörn úr hafinu / Natural skin protection from the ocean

Lupine in review, fibres of the future – Process development, chemical, microbial and textural analysis

FUNGITIME Notkun sveppapróteins í þróun sjálfbærrar og hollrar matvöru // Application of fungi protein in the development of sustainable and healthy food products

Ný náttúruleg andoxunarefni úr hafinu / New natural antioxidants from Icelandic marine sources

Future Fish: New and innovative ready to use seafood products by the use of 3D printing

Áhrif vistfræði þangs og þara á lífvirk efni þeirra og nýtingu

Bragð og beitarhagar. Framvinduskýrsla

Beit á hvönn og bragð af lambakjöti / Grazing on Angelica archangelica and flavour of lamb meat

Önnur verkefni

PROMAC – Energieffektiv prosessering av makroalger i blå-grønne verdikjeder

MacroValue

Erindi / Oral presentations:

2020:

Rósa Jónsdóttir. Seaweed flavour compounds, 2^nd Seaweed for Health 2020 virtual programme. 24^th – 25^th August 2020.

2019:

Rósa Jónsdóttir. Applications of macroalgae. Oral presentation at EIT Food Algal Biotechnology Course, Matís, Iceland 23^rd – 24^th October 2019.

Rósa Jónsdóttir. Biorefining of micro- and macroalgae. Circular Bioeconomy Days. Denmark, 25^th – 27^th June 2019.

2018:

Rósa Jónsdóttir. Biotechnological Utilization of Macroalgae. Oral presentation at EIT Food Algal Biotechnology Course, Matís, Iceland 6th November 2018.

Rósa Jónsdóttir, Kolbrún Sveinsdóttir, Alfons Ramel. Health benefits of seaweed ingredients in nutraceuticals and skincare products. Galway, Ireland, 24^th – 26^th June 2018.

Rósa Jónsdóttir. Seaweed as cosmetic ingredients and nutraceuticals. Oral presentation at the Alget Programme seaweed industry workshop “Product development, diversification and market development in algae”, Kiel, Germany, 6th-7th June 2018.

2017:

Rósa Jónsdóttir. Status, challenges and potentials in Iceland – Seaweed products, markets and SMEs. Alget Workshop, Galway, Ireland, 6^th– 7^th September 2017.

Rósa Jónsdóttir. Antioxidant extraction from seaweed: state-of-the-art. The SeaRefinery Project – Seaweed Industry Workshop. National Maritime College of Ireland, Cork, 27th June 2017.

Rósa Jónsdóttir. Vinnsla og vöruþróun úr stórþörungum. Strandbúnaður, 13. -14. mars 2017.

2016:

Rósa Jónsdóttir, Ásta H Pétursdóttir, Björn V Aðalbjörnsson, Hilma E. Bakken, Jóna Freysdóttir, Karl Gunnarsson. Seasonal variance in polyphenol and polysaccharide content in brown seaweed. 22^nd International Seaweed Symposium 2016, 19. 24. June 2016.

Rósa Jónsdóttir. Alget Workshop, Reykjavík, Iceland, January 2016.

2015:

Rósa Jónsdóttir. Novel bioactive ingredients and products derived from marine algae. Presentation at NutraMara Conference, 29. -30. June 2015, Dublin, Ireland.

2013:

Rósa Jónsdóttir. Lífvirk efni úr þangi (e. bioactive compounds in macro algae). Presentation at BerryEn. Reykjavík. 15. May 2013.

Rósa Jónsdóttir. State of art. Nordic Algae Network. Gothenburg, Sweden, 28. February 2013.

2012:

Rósa Jónsdóttir. Bioactive compounds from Icelandic seaweeds. Presentation at Chemistry Seminar, 16th November 2012

2011:

Rósa Jónsdóttir, Þóra Valsdóttir, Hörður G. Kristinsson. Þörungar, þang og heilsa. Presentation at Matvæladagur MNÍ, 18. October 2011.

Rósa Jónsdóttir. Bioactive compounds from Icelandic seaweeds. Presentation at SWAFAX (Seaweed derived anti-inflammatory agents and antioxidants) meeting, Coleraine, Northern Ireland, 17. June 2011.

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.

Kolbrún Sveinsdóttir, Rósa Jónsdóttir, Margrét Geirsdóttir, Emilía Martinsdóttir. Innovative consumer-oriented product development of enriched seafood. Presentation: 41 ^st WEFTA Meeting, 27-30 September 2011, Gothenburg, Sweden.

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.

Rósa Jónsdóttir. Hollusta, lífvirk efni úr matþörungum. Erindi flutt á málþingi: Forðabúr fjörunnar, Stykkishólmi 26. febrúar 2011.

2010:

Rósa Jónsdóttir. Lambakjöt – bragð og beitarhagar. Erindi flutt á Fræðaþingi landbúnaðarins 2010.

2009:

G. Thorkelsson, R. Jonsdottir, O.T.Hilmarsson, A. Olafsdottir and E.Martinsdottir. 2009. The influence of grazing time on Angelica archangelica on volatile compounds and sensory quality of meat from pasture lambs. 55th International Congress of Meat Science and Technology, Meat -Muscle, Manufacturing and Meals, 19th August 2009. Presentation.

Tao Wang, Rósa Jónsdóttir, Hordur G. Kristinsson, Gudjon Þorkelsson, Charlotte Jacobsen, Guðmundur Óli Hreggviðsson and Guðrún Ólafsdóttir. 2009. Algal polyphenols as novel natural antioxidantsrway. Erindi á ráðstefnunni 3rd Joint Trans-Atlantic Fisheries Technology Conference, TAFT 2009. Sept. 15 – 18. Copenhagen, Denmark.

2006:
Guðrún Ólafsdóttir, Rósa Jónsdóttir, Margrét Bragadóttir. 2006. The role of volatile compounds in odor development during haemoglobin-mediated oxidation of cod muscle membrane lipids. 2nd Joint Trans-Atlantic Fisheries Technology Conference. Oct. 29 – Nov. 1st. Quebec City, Kanada.

2005:
Rósa Jónsdóttir, Guðrún Ólafsdóttir. 2005. Bragð og lyktarefni – Rannsóknir á Rf. Miðvikudagserindi á Rf, 29. nóvember 2005.

Rósa Jónsdóttir, Margrét Bragadóttir, Guðmundur Örn Arnarson. 2005. The use of solid-phase microextraction (SPME) to measure changes in volatile compounds during storage of microencapsulated fish oil. 23th Nordic Lipid Symposium in Reykjavik, Iceland, June 1st -4th, 2005.

Guðrún Ólafsdóttir, Chanie E, Westad F, Rósa Jónsdóttir, Bazzo S, Labreche S, Marcq P, Lundby F, Haugen JE. 2005. Rapid Control of Smoked Atlantic Salmon Quality by Electronic Nose: Correlation with Classical Evaluation Methods. 11th International Symposium on Olfaction and Electronic Nose, ISOEN2005, April 14-15, Barcelona, Spain.

2003:
Rósa Jónsdóttir, Guðrún Ólafsdóttir, Sigurður Hauksson and Jón Magnús Einarsson, 2003. Volatile flavor compounds in seafood flavorants. Erindi TAFT, First Joint Trans-Atlantic Fisheries Technology Conference, 10-14 June 2003. Reykjavik, Iceland.

Eva Falch, Rósa Jónsdóttir, S.Arason, K.A. Þórarinsdóttir, N.B. Shaw, J.P. Kerry, C. Malone, J.P. Berge, J. Dumay, J. Rainuzzo, M. Sandbakken, M. Aursand, 2003. Variation in lipid composition in different by-product from species of the gadidae family. Erindi flutt á Joint 33rd WEFTA and 48th AFTC meetings. First Joint Trans-Atlantic Fisheries Technology Conference, 10-14 June 2003. Reykjavik, Iceland.

2002:
Rósa Jónsdóttir, Kristín Anna Þórarinsdóttir and Sigurjón Arason, 2002. Variations in fat content and fatty acids composition of liver and viscera from different cod species. Lipidforum seminar on By-products in marine processing industry – a lipid source for fish feed and food? Erindi flutt á Lipidforum, Þrándheimi, Noregi, 30. – 31. maí, 2002.

Rósa Jónsdóttir, Guðrún Ólafsdóttir, Emilía Martinsdóttir and Guðmundur Stefánsson, 2002. Flavor characterization of ripened cod roe. Erindi flutt á 32. fundi WEFTA, Galway, Írlandi 12. til 15. maí 2002.

2001:
Ólafsdóttir, G., Li, X., Lauzon, H.L. & Jónsdóttir, R. 2001. Precision and application of electronic nose measurements for freshness monitoring of redfish ( Sebastes marinus) stored in ice and modified atmosphere bulk storage. Erindi á 31st WEFTA meeting, 27-31 May 2001, Helsinki, Finland.

1999:
Rósa Jónsdóttir, 1999. Analyser av fettsyrer i matvarer. Erindi flutt á Analysedagen, Borregaard Sentrallaboratorium, Sarpsborg, Noregi, 23. mars 1999.

1998:
Rósa Jónsdóttir, 1998. Áhrif fóðurfitu á svínakjöt, skoðuð með fitusýrugreiningum og skynmati. Rala erindi, mars 1998.

Skýrslur / Reports:

2015:

Rósa Jónsdóttir, Ásta Heiðrún Pétursdóttir, Halldór Benediktsson, Hilma B. Eiðsdóttir, Karl Gunnarsson, Jóna Freysdóttir. Áhrif vistfræði þangs og þara á lífvirk efni þeirra og nýtingu/ Ecological impact on bioactive chemicals in brown seaweeds and their utilization. Skýrsla Matís 08-15. Lokuð skýrsla. Skýrsluágrip.

2014:

Hörður G Kristinsson og Rósa Jónsdóttir. Ný lífvirk húðvara. Skýrsla Matís 25-14. Lokuð skýrsla. Skýrsluágrip.

2013:

Rósa Jónsdóttir, Aðalheiður Ólafsdóttir, Ágúst Ingi Skarphéðinsson, Bergrós Ingadóttir, Hörður G. Kristinsson, Jón Óskar Jónsson, Óli Þór Hilmarsson, Torfi Geir Hilmarsson, Þóra Valsdóttir. Notkun þangs sem bragðaukandi efni í saltminni vörur / TASTE – The Application of Edible Seaweed for Taste Enhancement and Salt Replacement. Skýrsla Matís 19-13. Lokuð skýrsla.

Kolbrún Sveinsdóttir, Kyösti Pennanen, Raija‐Liisa Heiniö, Rósa Jónsdóttir, Emilía Martinsdóttir. Consumer’s evaluation of enriched seafood product concepts / Neytendakönnun á auðguðum sjávarréttum. Skýrsla Matís 11-13. Lokuð skýrsla. Skýrsluágrip.

2012:

Rósa Jónsdóttir, Hólmfríður Sveinsdóttir, Jón Óskar Jónsson, Jóna Freysdóttir, Patricia Hamaguchi, Halldór Benediktsson, Annabelle Vrac, Hörður G. Kristinsson. Fæðubótarefni úr íslensku þangi. Skýrsla Matís 02-12. Lokuð skýrsla. Skýrsluágrip.

2010:

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

2009:

Rósa Jónsdóttir, Aðalheiður Ólafsdóttir, Óli Þór Hilmarsson og Guðjón Þorkelsson. Bragð og beitarhagar. Skýrsla Matís 45-09, 11 s. Lokuð skýrsla. Skýrsluágrip.

Guðjón Þorkelsson, Rósa Jónsdóttir, Aðalheiður Ólafsdóttir og Óli Þór Hilmarsson. Beit á hvönn og bragð af lambakjöti / Grazing on Angelica archangelica and flavour of lamb meat. Skýrsla Matís 20-09, 36 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.

Rósa Jónsdóttir, Margrét Bragadóttir, Guðrún Ólafsdóttir. Oxun í fiskvöðva – Hlutverk fosfólípíða, próteina, andoxunarefna og áhrif suðu á oxun í fiskvöðva. Skýrsla Matís 08-08, 78 s.

2007:
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.

Helga Gunnlaugsdóttir, Guðjón Atli Auðunsson, Guðmundur Víðir Helgason, Rósa Jónsdóttir, Ingibjörg Jónsdóttir, Þuríður Ragnarsdóttir,Sasan Rabieh. 2007. Ólífræn snefilefni í lífverum við NV-land. Skýrsla Matís 44-07,35 bls.

Rósa Jónsdóttir, Soffía Vala Tryggvadóttir, Margrét Bragadóttir, Haraldur Einarsson, Höskuldur Björnsson, Sveinbjörn Jónsson. 2007. Feitt er agnið” – beita úr aukaafurðum / Bait from fishery byproducts. Skýrsla Matís, 43-07, 38 bls. Feitt er agnið“ – Beita úr aukaafurðum

2006:
Margrét Bragadóttir, Judith Reichert, Rósa Jónsdóttir, Guðrún Ólafsdóttir. Characterisation and antioxidant properties of aqueous extracts from capelin ( Mallotus villosus). Rf skýrsla 37-06, 26 bls.

Guðrún Ólafsdóttir, Rósa Jónsdóttir, Heimir Tryggvason, Margrét Bragadóttir, Birna Guðbjörnsdóttir, Sigurjón Arason. 2006. Peningalykt-lyktarminni framleiðsla á þurrkuðum fiskafurðum. Rf skýrsla 08-06, 81 bls.

2005:
Ása Þorkelsdóttir, Kolbrún Sveinsdóttir, Kristín A. Þórarinsdóttir, Soffía Vala Tryggvadóttir, Emilía Martinsdóttir, Rósa Jónsdóttir, Páll Gunnar Pálsson. 2005. Shelf life of chilled radio-frequency and conventionally heated cod and salmon fillets. Rf skýrsla 18-05, 59 bls.

Rósa Jónsdóttir, Soffía Vala Tryggvadóttir, Guðrún Ólafsdóttir, Bergrós Ingadóttir, Magnús Már Kristjánsson, Þrándur Helgason, Sveinbjörn Jónsson 2005. Aðdráttarafl beitu – banvænn biti / Attractants in bait – Fatal attraction. Rf skýrsla 04-05, 65 bls.

Chaine E, Olafsdottir, G , Jónsdottir, R o.fl. 2005. FishNose – Þróun á refnefi fyrir sjálfvirkt gæðaeftirlit á reyktum laxi / Development of an electronic nose system for the automated quality control of smoked fish. Lokaskýrsla Evrópuverkefnisins Fishnose. Rf skýrsla 03-05, 136 bls.

2003:
Tryggvadottir, S.V., Jonsdottir, R. and Olafsdottir, G. 2003. Artibait. Individual progress report for the European Commission (Artificial Bait alternatives, mainly based on fish waste Q5CR-2000-70427). Rf skýrsla 31-03, 41 bls.

2002:
Rósa Jónsdóttir, Guðrún Ólafsdóttir, Sigurður Hauksson og Jón Magnús Einarsson, 2002. Bragðefni úr sjávarfangi – Rokgjörn lyktarefni. Rf skýrsla 17-02, 51 bls.

Guðrún Ólafsdóttir, Soffía Vala Tryggvadóttir and Rósa Jónsdóttir, 2002. Multisensor forFish. Storage studies of frozen hake in Madrid 2000 and fresh cod in Hamburg. Electronic nose, Texture and Sensory Analysis. Fair CT – 98-4076. Third individual progress report. December 2000 – November 2001, December 2001 – April 2002 – Extention period. Rf skýrsla 10-02, 45, bls.

Tryggvadottir, S.V., Jónsson, G.P., Jonsdottir, R. and Olafsdottir, G. 2002. Artibait. Individual progress report for the European Commission (Artificial Bait alternatives, mainly based on fish waste Q5CR-2000-70427) Rf skýrsla 09-02, 44 bls.

Rósa Jónsdóttir, Guðrún Ólafsdóttir, Emilía Martinsdóttir and Guðmundur Stefánsson, 2001. Characterisation of roe ripening – III. Verkefnaskýrsla til Nordisk Industrifond. Rf skýrsla 01-02, 54 bls.

2001:
Rósa Jónsdóttir, Guðjón Þorkelsson, Birna Mørkøre and Helgi í Brekkunum, 2001. Fatty acid composition of Faroese lamb meat. Verkefnaskýrsla til NORA. Rf skýrsla 36-01, 56 bls.

Rósa Jónsdóttir, Guðrún Ólafsdóttir og Jón Magnus Einarsson, 2001. Gagnagrunnur bragðefna í sjávarfangi: Aðferðir við greiningu lyktarefna. Rf skýrsla 16-01, 50 bls.

Rósa Jónsdóttir, Guðrún Ólafsdóttir, Áslaug Högnadóttir, Emilía Martinsdóttir and Guðmundur Stefánsson, 2001. Characterisation of roe ripening – II. Verkefnaskýrsla til Nordisk Industrifond. Rf skýrsla 04-01, 33 bls.

2000:
Guðrún Ólafsdóttir, Jóhann Örlygsson, Sigrún Jónsdóttir, Ágúst Vilhjálmsson, Hélène L. Lauzon og Rósa Jónsdóttir, 2000. Nákvæm geymsluþolsspálíkön fyrir fisk – Hitaferlar, örveruvaxta-tilraunir, rafnefsmælingar, geymsluþolsrannsóknir. Rf verkefnaskýrsla 05-00.

Rósa Jónsdóttir, Guðrún Ólafsdóttir, Áslaug Högnadóttir, Emilía Martinsdóttir and Guðmundur Stefánsson, 2000. Characterisation of roe ripening. Verkefnaskýrsla til Nordisk Industrifond. Rf skýrsla 01-00, 86 bls.

1999:
Guðrún Ólafsdóttir, Rósa Jónsdóttir, Margrét Geirsdóttir og Þyrí Valdimarsdóttir, 1999. Bragð og lyktarefni úr sjávarfangi. Rf skýrsla 03-99.

1998:
Birna Baldursdóttir, Guðjón Þorkelsson, Þyrí Valdimarsdóttir og Rósa Jónsdóttir, 1998. Fita í fóðri eldisgrísa. Rannsóknastofnun landbúnaðarins. Fjölrit Rala nr. 195.

Rósa Jónsdóttir, Hörður Kristinsson, Einar Sigurðsson og Guðjón Þorkelsson, 1998. Áhrif fitusýrusamsetningar svínafitu á gæði pepperoni. Rannsóknastofnun landbúnaðarins. Fjölrit Rala nr. 196.

1997:
Rósa Jónsdóttir, 1997. Áhrif fóðurfitu á svínakjöt, skoðuð með fitusýrugreiningum, skynmati og fjölbreytutölfræði. M.S. ritgerð í matvælafræði. Rannsóknastofnun landbúnaðarins. Fjölrit Rala nr. 188.

VEGGSPJÖLD /Poster presentations:

2011:

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.

2010:

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:

Tao Wang, Rósa Jónsdóttir, Hordur G. Kristinsson, Guðmundur Óli Hreggviðsson, Jón Óskar Jónsson, Guðrún Ólafsdóttir. 2009. Evaluation of antioxidant activity of enzymatic extracts from the red algae Palmaria palmata. Poster at the IFT annual meeting. Anaheim, CA, June 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.

Guðrún Ólafsdóttir, Tao Wang, Rósa Jónsdóttir, Hörður Kristinsson, Guðmundur Óli Hreggviðsson, Guðjón Þorkelsson. Palmaria palmata in food formulations as natural antioxidant and functional ingredient. Poster at the Innovation in the Nordic Marine Sector, Reykjavik, May 12th 2009.

Rósa Jónsdóttir, Tao Wang, María Jesús Gonzalez, Isabel Medina, Hordur G. Kristinsson, Guðrún Ólafsdóttir. Bioactivity of phlorotannins in brown seaweed, Fucus vesiculosus. Veggspjald á ráðstefnunni TAFT 2009, Kaupmannahöfn 15.-18. september.

Guðjón Þorkelsson, Rósa Jónsdóttir, Aðalheiður Ólafsdóttir, Óli Þór Hilmarsson, Sigríður Jóhannesdóttir, Halla Steinólfsdóttir, Guðmundur Gíslason. Er annað bragð af kjöti hvannalamba en kjöti lamba á venjulegum úthaga?. Fræðaþing 2009.

2008:

G. Ólafsdóttir, R. Jónsdóttir, M. Bragadóttir, T. Wang. 2008. Odour development in washed cod muscle system and effect of cooking. OXIFISH in collaboration with PROJECT 4.3 LIPIDTEXT. The 5th SEAFOODplus Conference, 8-10 June 2008, Copenhagen, Denmark

2007:
Rósa Jónsdóttir, Margrét Bragadóttir, Guðrún Ólafsdóttir. 2007. Antioxidant effect of aqueous phase of capelin ( Mallotus villosus). Poster presented at the 5th Euro Fed Lipid Congress and 24th Symposium of the Nordic Lipidforum., Gothenburg, Sweden, p. 402.

Tao Wang, Rósa Jónsdóttir, Guðrún Ólafsdóttir. 2007. Screening of antioxidant activity in Icelandic seaweed. Poster presented at the 5th Euro Fed Lipid Congress and 24th Symposium of the Nordic Lipidforum, Gothenburg, Sweden. Skoða

2005:
Rósa Jónsdóttir, Guðrún Ólafsdóttir, Frank Westad, Jon Erik Haugen Characterization of volatile compounds in smoked salmon – the use of electronic nose to predict the quality. 9th Scandinavian Symposium on Chemometrics. August 21st-25th 2005, Reykjavík, Iceland. Abstracts and programme, p. 114.

Rósa Jónsdóttir, Margrét Bragadóttir and Gudmundur Örn Arnarson. 2005. The use of solid-phase microextraction (SPME) to measure changes in volatile compounds during storage of microencapsulated fish oil. The 23rd Nordic Lipid Symposium. Reykjavík, Iceland, June 1 – 4, 2005. Program and Abstracts, p. 27.

2003:
Rósa Jónsdóttir, Soffia V. Tryggvadóttir and Guðrún Ólafsdóttir. 2003. Volatile compounds in artificial bait based on fish by-products. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 371.

Guðrún Ólafsdóttir and Rósa Jónsdóttir. 2003. Detection of volatile compound by an electronic nose to monitor freshness of haddock stored in ice. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 151.

Guðrún Ólafsdóttir, Rósa Jónsdóttir, Soffia Vala Tryggvadóttir, Sigurdur Einarsson and Hélène L. Lauzon. 2003. Prediction of freshness quality of haddoc fillets using electronic nose, texture and TVN measurements. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 148.

Guðmundur Örn Arnarson, Rósa Jónsdóttir, Margrét Bragadóttir, Jón Ögmundsson. 2003. Stability of microencapsulated n-3 cod liver oil. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 93.

Kristín Anna Þórarinsdóttir, Guðný Guðmundsdóttir, Rósa Jónsdóttir and Sigurjón Arason. 2003. Weight fractions of by-products from gadios caught around Iceland. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 365.

GREINAR Í BLÖÐ OG TÍMARIT/Articles in non-refereed journals:

Rósa Jónsdóttir. Íslenska þangið er sérstakt. Útvegsblaðið desember 2013. Bls. 58-59. Lesa grein

Rósa Jónsdóttir, Þóra Valsdóttir, Hörður G. Kristinsson. 2011. Þörungar, þang og heilsa. Matur er mannsins megin, 23. árg. s. 23. Lesa grein

Rósa Jónsdóttir og Hörður G. Kristinsson. 2010. Lífvirk efni úr þörungum. Ægir, 103 (3).

Soffía Vala Tryggvadóttir, Rósa Jónsdóttir, Guðrún Ólafsdóttir. 2004. Aðdráttarafl beitu. Ægir 97, 9, 34-37.

RÁÐSTEFNURIT / Conference proceedings:

2009:

Rósa Jónsdóttir, Tao Wang, María Jesús Gonzalez, Isabel Medina, Hordur G. Kristinsson, Guðrún Ólafsdóttir. Bioactivity of phlorotannins in brown seaweed, F ucus vesiculosus. TAFT. 3rd Joint Trans-Atlantic Fisheries Technology Conference Sept. 15–18. Copenhagen, Denmark. p. 91.

2007:
Rósa Jónsdóttir, Margrét Bragadóttir, Guðrún Ólafsdóttir. 2007. Antioxidant effect of aqueous phase of capelin ( Mallotus villosus). In: Book of abstracts of the 5th Euro Fed Lipid Congress and 24th Symposium of the Nordic Lipidforum., Gothenburg, Sweden, p. 402.

2006:
Gudrun Olafsdottir, Hélène L. Lauzon, Rósa Jónsdóttir, Emilía Martinsdóttir. 2006. Multivariate Quality Prediction of Cod ( Gadus morhua) and Haddock Fillets ( Melanogrammus aeglefinus) Stored Under Superchilling and Temperature Abusive Conditions. In: Proceedings of the 2nd international Workshop Cold Chain Management 8-9 May 2006.

2005:
Guðrún Ólafsdóttir, Chanie E, Westad F, Rósa Jónsdóttir, Bazzo S, Labreche S, Marcq P, Lundby F, Haugen JE. 2005. Rapid Control of Smoked Atlantic Salmon Quality by Electronic Nose: Correlation with Classical Evaluation Methods. In: Marco S, Montoliu I, editors. Proceedings of the 11th International Symposium on Olfaction and Electronic Nose, ISOEN2005, Electronic Department, Physics Faculty, Barcelona University, Barcelona, Spain. p 110-4.

Guðrún Ólafsdóttir, Chanie E, Westad F, Rósa Jónsdóttir, Bazzo S, Labreche S, Marcq P, Lundby F, Haugen JE. 2005. Rapid Control of Smoked Atlantic Salmon Quality by Electronic Nose: Correlation with Classical Evaluation Methods. In: Marco S, Montoliu I, editors. Proceedings of the 11th International Symposium on Olfaction and Electronic Nose, ISOEN2005, Electronic Department, Physics Faculty, Barcelona University, Barcelona, Spain. p 110-4.

2003:
Rósa Jónsdóttir, Guðrún Ólafsdóttir, Sigurður Hauksson and Jón Magnús Einarsson. 2003. Volatile flavor compounds in seafood flavorants. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 353.

Rósa Jónsdóttir, Soffia V. Tryggvadóttir and Guðrún Ólafsdóttir, 2003. Volatile compounds in artificial bait based on fish by-products. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 371.

E. Falch, R. Jónsdóttir, N. B. Shaw, S. Arason, K.A.Þórarinsdóttir, J. P. Kerry 3, C. Malone, J.P Berge, J. Dumay, J. Rainuzzo, M. Sandbakk , T.Rustad, M. Aursand, 2003. Variation in lipid composition in different rest biomass from species of the gadidae family. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 323.

Guðrún Ólafsdóttir and Rósa Jónsdóttir, 2003. Detection of volatile compound by an electronci nose to monitor freshness of haddock stored in ice. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 151.

Guðrún Ólafsdóttir, Rósa Jónsdóttir, Soffia Vala Tryggvadóttir, Sigurdur Einarsson and Hélène L. Lauzon, 2003. Prediction of freshness quality of haddoc fillets using electronic nose, texture and TVN measurements. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 148.

Guðmundur Örn Arnarson, Rósa Jónsdóttir, Margrét Bragadóttir, Jón Ögmundsson, 2003. Stability of microencapsulated n-3 cod liver oil. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 93.

Kristín Anna Þórarinsdóttir, Guðný Guðmundsdóttir, Rósa Jónsdóttir and Sigurjón Arason , 2003. Weight fractions of by-products from gadios caught around Iceland. First joint Trans Atlanctic Fisheries Technology Conference. 10-14 June 2003 Reykjavik, Iceland. Proceedings, p. 365.

2001:
Birna Baldursdóttir, Emma Eyþórsdóttir, Guðjón Þorkelsson, Helga Lilja Pálsdóttir, Óli Þór Hilmarsson og Rósa Jónsdóttir. 2001. Vatnsheldni svínakjöts. Ráðunautafundur 2001, bls. 265-268, ISSN 1563-2520

Guðjón Þorkelsson, Baldur Þ. Vigfússon, Rósa Jónsdóttir og Ólafur Reykdal 2001. Efnasamsetning folaldakjöts. Ráðunautafundur 2001, bls. 261-264, ISSN 1563-2520

1999:
Birna Baldursdóttir, Rósa Jónsdóttir, Þyrí Valdimarsdóttir og Guðjón Þorkelsson, 1999. Fiskimjöl í fóðri eldisgrísa. Ráðunautafundur 1999.

Þyrí Valdimarsdóttir, Stefán Scheving Thorsteinsson, Guðjón Þorkelsson og Rósa Jónsdóttir, 1999. Sensory quality of lamb meat from autumn breed rams and castrates – Skynmat á haustfóðruðum hrútlömbum og geldingum. Ráðunautafundur 1999: 121-130.

1998:
Rósa Jónsdóttir, Þyrí Valdimardóttir, Guðjón Þorkelsson og Birna Baldursdóttir, 1998. Influence of fishoil in feed on fatty acid composition and sensory quality of pork. 44nd Intenational Congress of Meat Science and Technology, 31.ágúst til 3.september 1998. Proceedings.

1997:
Birna Baldursdóttir, Guðjón Þorkelsson, Þyrí Valdimarsdóttir og Rósa Jónsdóttir, 1997. Fita í fóðri eldisgrísa. Ráðunautafundur 1997: 276-286.

1996:
Rósa Jónsdóttir, Guðjón Þorkelsson og Guðmundur G. Haraldsson, 1996. Influence of dietary fishmeal and fatty acid composition and eating quality of pigs. Í. “Meat for the comsumer”, 42nd Intenational Congress of Meat Science and Technology, 1-6 September 1996. Proceedings, bls. 218-219.

Guðjón Þorkelsson, Ylva Bergquist, Kerstin Lundstrom og Rósa Jónsdóttir, 1996. Fatty acid composition of M.Longissimus Dorsi of different fat grades of Icelandic lamb. Í: “Meat for the comsumer”, 42nd Intenational Congress of Meat Science and Technology, 1-6 September 1996. Proceedings, bls. 224-225.

Rósa Jónsdóttir

Fagstjóri

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Verkefni:

Ritrýndar greinar:

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