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Gonadal development and biochemical composition of Chinese mitten crabs ( Eriocheir sinensis ) from four sources
Author(s) -
Wang Shihui,
Wang YingZe,
Wu Xugan,
Zhang Xubin,
Zhao Jinshan,
Yang Jingming,
Cheng Yongxu
Publication year - 2021
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/1750-3841.15647
Subject(s) - eriocheir , gonadosomatic index , biology , docosahexaenoic acid , chinese mitten crab , eicosapentaenoic acid , arachidonic acid , linoleic acid , decapoda , zoology , shrimp , crustacean , fatty acid , food science , botany , fishery , polyunsaturated fatty acid , biochemistry , fecundity , enzyme , population , demography , sociology
The gonadal development; edible tissue ratio; and proximate, fatty acid, and free amino acid composition were examined and compared among Eriocheir sinensis samples from four sources. The gonadosomatic index (GSI) of Heilongjiang (HLJ) crabs was significantly higher than that of the other crabs from September to October ( P < 0.05). Of all the edible tissues of E. sinensis , HLJ crab had the highest linolenic acid (18:3n3, LNA) and arachidonic acid (20:4n6, ARA) contents ( P < 0.05), while Qinghai (QH) crab had the highest eicosapentaenoic acid (20:5n3, EPA) content ( P < 0.05). The highest docosahexaenoic acid (22:6n3, DHA) and DHA/EPA contents were observed in Shandong (SD) crabs ( P < 0.05), and the highest linoleic acid (18:2n6, LA) content was found in Shanghai (SH) crabs ( P < 0.05). In conclusion, E. sinensis inhabiting relatively low‐temperature regions (northern China) can initiate gonadal development earlier, and the quality of E. sinensis living in paddies and lakes is better than that of crabs living in ponds.