Protein and lipid composition of walleye pollock (theragra chalcogramma) livers

被引：2
|
作者：
Oliveira, A.C.M.
Bechtel, P.J.
机构：
[1] Fishery Industrial Technology Center, University of Alaska Fairbanks, 118 Trident Way, Kodiak, AK 99615, United States
[2] USDA-ARS, Seafood Laboratory, University of Alaska, Fairbanks, AK 99775, United States
来源：
Journal of Aquatic Food Product Technology | 2006年 / 15卷 / 03期
关键词：
The objective of this study was to chemically evaluate the lipid and protein from pollock male and female livers. Pollock livers; regardless of gender; were over 50% lipid; with about 98% of the lipid in the form; of triacylglycerides. Protein content of male and female livers was similar at approximately 7%. Most of the fatty acids content was not significantly different; between males and females. The abundance of saturated; monounsaturated and polyunsaturated fatty acids in all extracted oils averaged about 20%; 55%; and; 24%; respectively. The omega-3 arid omega-6 fatty acid levels of all livers were approximately 22% arid 2.0%; respectively. Only small gender differences were detected between pollock liver lipids and protein. Pollock liver protein is of high quality and extracted oil is a valuable source of omega-3 fatty acids. The contents of most amino acids in the samples were similar for both males and females; and samples had high levels of methionine (3.2 and 3.6%); lysine (6.8 and 7.6%) and other essential amino acids. © 2006 by The Haworth Press; Inc. All rights reserved;
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页码：5 / 19
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