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Fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age

文献类型: 外文期刊

作者: Tang, Hong-gang 2 ; Chen, Li-hong 2 ; Xiao, Chao-geng 2 ; Wu, Tian-xing 1 ;

作者机构: 1.Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China

2.Zhejiang Acad Agr Sci, Hangzhou 310021, Zhejiang, Peoples R China

关键词: Age Factors;Animals;Fatty Acids analysis;Muscles chemistry;Perciformes metabolism

期刊名称:JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE B ( 影响因子:3.066; 五年影响因子:3.057 )

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收录情况: SCI

摘要: We investigated the fatty acid profiles of muscle from large yellow croaker (Pseudosciaena crocea R.) of different age. One- and two-year-old fish were cultured in floating net cages and sampled randomly for analysis. Moisture, protein, lipid and ash contents were determined by methods of Association of Analytical Chemist (AOAC) International. Fatty acid profile was determined by gas chromatography. Crude protein, fat, moisture and ash contents showed no significant differences between the two age groups. The contents of total polyunsaturated fatty acids and docosahexaenoic acid (DHA) were significantly higher and eicosapentaenoic acid (EPA) content was significantly lower in the two-year-old large yellow croaker than in the one-year-old (P<0.05). No significant differences were observed in the contents of total saturated fatty acids and monounsaturated fatty acids, or the ratio of n-3/n-6 fatty acids among the large yellow croakers of the two age groups. We conclude that large yellow croakers are good food sources of EPA and DHA.

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