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Comparison of edible yield and quality of female Chinese mitten crab between two-year-old and three-year-old

文献类型： 外文期刊

作者： Wang, Shihui 1 ; Luo, Liang 1 ; Zhang, Rui 1 ; Guo, Kun 1 ; Bai, Shuyan 1 ; Qin, Dongli 1 ; Zhao, Zhigang 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Key Open Lab Cold Water Fish Germplasm Resources, Harbin 150070, Peoples R China

2.Chinese Acad Fishery Sci, Supervis Inspect & Testing Ctr Fishery Environm &, Heilongjiang River Fisheries Res Inst, Minist Agr & Rural Affairs, Harbin 150070, Peoples R China

关键词： Eriocheir sinensis; Three-year-old; Color; Fatty acid; Free amino acid; Mineral element

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.52； 五年影响因子：4.942 ）

ISSN： 0889-1575

年卷期： 2022 年 112 卷

页码：

收录情况： SCI

摘要： To expand the new germplasm of Chinese mitten crab (Eriocheir sinensis) and explain its quality characteristics, this study used two-year-old mature female E. sinensis (TWC) as the control to explore the differences in edible yield, color, proximate composition, fatty acids, free amino acids and mineral elements of three-year-old mature female E. sinensis (THC). TWC had a significantly higher hepatosomatic index (HSI) but a lower gonadosomatic index (GSI) than THC (P < 0.05). The eicosapentaenoic acid (EPA) content in the hepatopancreas, ovary and muscle tissues of TWC were higher than those of THC. However, the content of docosahexaenoic acid (DHA), arachidonic acid (ARA), polyunsaturated fatty acids (PUFA), total essential fatty acids (Sigma EFA), total highly unsaturated fatty acids (Sigma HIJFA), Sigma n-6 PUFA and DHA/EPA were lower than those of THC. Total essential free amino acids (Sigma EFAA), total free amino acids (Sigma FAA) and percentage of Sigma EFAA to Sigma FAA (PETFAA) in the hepatopancreas, Sigma EFAA and PETFAA in the ovary and Sigma FAA in the muscle of TWC were higher than those of THC (P > 0.05). The values of total umami values (EMV) and total sweetness values (Sigma TSV) in the hepatopancreas, ovary and muscle tissue and total bitterness values (Sigma TBV) in the hepatopancreas and muscle of TWC were higher than those of THC. Except for the higher Zn in TWC, the contents of the other elements measured were lower than those in THC. Overall, the edible yield and quality of THC was greater than that of the TWC, and THC was a new high-quality germplasm of E. sinensis.

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