Abstract：Nutrient components of adult female and male tapertail anchovy Coilia nasus spawning stock in Dayang River were investigated by routine methods and the nutritional quality was evaluated in order to explore the nutritional components and germplasm protection of tapertail anchovy. The results showed that there was significantly higher crude protein content in adult male than that in female tapertail anchovy, without significance in content of moisture, crude fat and ash between female and male tapertail anchovy (P>0.05). It was found that the meat quality of the post-spawning female and the pre-spawning male was more delicious. It was found that the pre-and post-spawning female had significantly higher index of essential amino acids than the male did (P<0.05). The amino acid score (ASS) and chemical score (CS) revealed that, the first limiting amino acid of the four groups was tryptophan, with the maximal content of C16:0 in SFA, especially in the post-spawning male, accounting for 22.08% of the total fatty acids. The content of C18:1 was the maximum among monounsaturated fatty acids (MUFA). The maximum value was also found in the muscle of the pre-spawning female accounting for 46.22% of the total fatty acids. The amount of EPA and DHA in polyunsaturated fatty acids were very high in tapertail anchovy, with the maximum in the male post-spawning, followed by the pre-spawning female .The above analysis results showed that the amino acid and fatty acid contents of pre-spawning fenale and post-spawning male were more abundant, so they had better edible value and health function than the fish in the other two groups did. However, it was found that the meat quality of the post-spawning female and the pre-spawning male was more delicious.
蒋湘辉, 杨培民. 大洋河刀鲚繁殖前后肌肉营养成分分析[J]. 水产科学, 2021, 40(6): 835-842.
JIANG Xianghui, YANG Peimin. Nutritional Composition Analysis in Muscle of Tapertail Anchovy Coilia nasus from Dayang River before and after Reproduction. 水产科学, 2021, 40(6): 835-842.
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2021, Vol. 40 
