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Stability of omega-3 fatty acids in fortified surimi seafoods during chilled storage

AutorPérez Mateos, Miriam ; Boyd, L.; Lanier. T.
Palabras claveChilled storage
Surimi
Lipid stability
Omega-3
Fecha de publicación2004
EditorAmerican Chemical Society
CitaciónJournal of Agricultural and Food Chemistry 52: 7944- 7949 (2004)
ResumenPhysical, chemical, and sensory properties of cooked surimi seafood gels (crab analogue) fortified with omega-3 fatty acids (FA) were monitored during chilled storage. Three sources of stabilized omega-3 FA (fish oil concentrate, menhaden oil, and a purified marine oil) were each incorporated into gels to an omega-3 FA content of 1.5 or 2.5%, w/w. Omega-3 FA stability, development of off-flavors, and changes in color and texture were monitored during chilled storage for 2 months. Gels with fish oil concentrate developed fishy flavor and aroma within 30 days and were eliminated from the study. Gels containing menhaden oil and purified marine oil exhibited little change in sensory properties or oxidation products throughout 2 months of storage. Relative polyene index values (ratio of polyunsaturated to saturated fatty acids) indicated that the omega-3 FA were stable at both levels of addition. Omega-3 fortified gels were whiter than control gels, and gel texture was modified when menhaden and purified oils were added but not significantly affected by the level of omega-3 addition.
URIhttp://hdl.handle.net/10261/121465
DOI10.1021/jf049656s
Identificadoresdoi: 10.1021/jf049656s
issn: 0021-8561
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