연구논문 : 수입산 및 국내산 담수어류 3종의 일반성분과 지방산 조성
분야
수해양 > 수산생물학
저자
문수경 ( Soo Kyung Moon ) , 이두석 ( Doo Seog Lee ) , 윤호동 ( Ho Dong Yoon ) , 김연계 ( Yeon Kye Kim ) , 윤나영 ( Na Young Yoon ) , 김인수 ( In Soo Kim ) , 정보영 ( Bo Young Jeong )
발행기관
한국수산과학회(구 한국수산학회)
간행물정보
한국수산과학회지 2012년, 제45권 제6호, 612~618페이지(총7페이지)
파일형식
05907459.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The proximate and fatty acid compositions of the edible portion of three species of cultured freshwater fish (common eel Anguilla japonica, rainbow trout Onchorhynchus mykiss, and Israeli carp Cyprinus carpio) were compared between imports from China and domestically produced specimens. The lipid contents of cultured common eel and rainbow trout were rich in imported f ishes (20.4 and 12.2%, respectively) compared with those in domestic ones (16.0 and 8.01%, respectively), while those of Israeli carp were rich only in the domestically produced specimens (8.06 and 3.07%, respectively). There was a negative correlation between the lipid and moisture contents in all f ish samples (r =-0.86). The protein contents ranged from 16.6 to 21.3% in domestic f ishes and 15.3 to 19.1% in imported ones. The most prominent fatty acids in the f ishes were: saturated fatty acids, 16:0, 18:0 and 14:0; monounsaturated fatty acids, 18:1n-9, 16:1n-7 and 18:1n-7; and polyunsaturated fatty acids (PUFA), 18:2n-6, 22:6n-3 (docosahexaenoic acid, DHA), and 20:5n-3 (eicosapentaenoic acid, EPA). The percentage of n-3 PUFA (e.g., DHA, 22:5n-3, EPA, and 18:3n-3) was higher in domestic common eel and Israeli carp than in imported ones, but similar in domestic and imported rainbow trout, and higher in domestic wild rainbow trout than in cultured ones. On the other hand, all of the cultured freshwater f ishes contained a relatively large amount of 18:2n-6, which is a characteristic fatty acid in cultured f ish lipids.
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