Nutritional and Flavor Quality Analyses of Chinese Mitten Crabs (Eriocheir sinensis) From Three Different Sources

IF 1.9 4区农林科学 Q2 FISHERIES

Aquaculture Research Pub Date : 2025-10-01 DOI:10.1155/are/9961472

Yingze Wang, Yanfei Deng, Xuguang Li, Huimin Zhang, Jun Zhou

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Abstract

This study compared the nutritional and flavor qualities of Chinese mitten crab (Eriocheir sinensis) from three germplasm sources: CJ-2 (Changjiang Number 2, a selectively bred variety), SX-P2017 (a new strain bred by Jiangsu Freshwater Fisheries Research Institute), and an unselected cultured group (CG). A total of 120 adults (20 females and 20 males per group) were analyzed for edible yield factors, proximate composition, fatty acids, amino acids, and flavor-related nucleotides. Results showed that CJ-2 had higher gonadosomatic index (GSI) and ovaries with the strongest umami (highest equivalent umami concentration [EUC]), while SX-P2017 exhibited superior n-3 polyunsaturated fatty acid (PUFA) profiles and the highest muscle protein levels. Both selectively bred groups (CJ-2 and SX-P2017) outperformed CG in umami-related compounds (AMP and IMP) and taste activity values (TAVs). These findings highlight that selective breeding effectively enhances the nutritional and flavor quality of E. sinensis, providing a strong basis for consumer-oriented germplasm improvement.

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三种不同产地中华绒螯蟹营养品质及风味品质分析

本研究比较了长江2号（长江2号，选择性选育品种）、SX-P2017（江苏淡水水产研究所新选育品系）和非选择性养殖品系（CG） 3种中华绒螯蟹（Eriocheir sinensis）的营养和风味品质。研究人员分析了120只成虫（每组20只雌虫和20只雄虫）的食用量、近似组成、脂肪酸、氨基酸和与风味相关的核苷酸。结果表明，cj2具有较高的促性腺指数（GSI），卵巢鲜味最强（最高等效鲜味浓度[EUC]），而SX-P2017具有较高的n-3多不饱和脂肪酸（PUFA）谱和最高的肌肉蛋白水平。两个选择性育种组（CJ-2和SX-P2017）在鲜味相关化合物（AMP和IMP）和味觉活性值（TAVs）方面都优于CG。这些结果表明，选育有效地提高了中华香薷的营养品质和风味品质，为面向消费者的种质改良提供了坚实的基础。

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来源期刊

Aquaculture Research 农林科学-渔业

CiteScore

4.60

自引率

5.00%

发文量

464

审稿时长

5.3 months

期刊介绍： International in perspective, Aquaculture Research is published 12 times a year and specifically addresses research and reference needs of all working and studying within the many varied areas of aquaculture. The Journal regularly publishes papers on applied or scientific research relevant to freshwater, brackish, and marine aquaculture. It covers all aquatic organisms, floristic and faunistic, related directly or indirectly to human consumption. The journal also includes review articles, short communications and technical papers. Young scientists are particularly encouraged to submit short communications based on their own research.