SALTONSTALL KENNEDY GRANT PROGRAM
Determination of Natural Antioxidant from....
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GRANT NUMBER: NA26FD0139           NMFS NUMBER: 91-NWR-005

REPORT TITLE:  Determination of Natural Antioxidant from Shrimp Wastes

AUTHOR:  Morrissey, Michael T.; Oregon State University

PUBLISH DATE:  October 6, 1994

AVAILABLE FROM:  National Marine Fisheries Service, 7600 Sand Point Way, NE, Seattle, WA 98115-0070.  PHONE: (206) 526-6115

ABSTRACT

A natural antioxidant was extracted with ethanol from shrimp (Pandalus jordani) waste samples. Purification of the antioxidant was accomplished with thin layer and high performance liquid chromatography. Purified samples were analyzed with a combination of techniques including Fourier transformed-infrared spectrometry, mass spectrometry (EI and CI), and proton nuclear magnetic resonance. The antioxidant is a polar monohydroxyl phenolic compound with ortho-position substitution and a molecular weight of 164.   Crude and purified extracts were tested for preventing lipid oxidation of in fatty fish mince and retaining color in red-skinned rockfish. Both tests demonstrated practical applications for the antioxidant for inhibiting oxidation reactions in susceptible seafood products.

 
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