Impact of Overwintering Hoard on the Edible Tissues, Muscle Quality, Hepatopancreas Color, and Proximate Biochemical and Amino Acid Compositions of Male Eriocheir sinensis

IF 1.9 4区 农林科学 Q2 FISHERIES
Guoliang Chang, J. Shan, Song Yuhao, Yang Liu, H.-A. Zhao, Ding Huiyu, Jianming Xu, Ma Aimei, Yongxu Cheng, Muhammad Laghari Younis
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引用次数: 0

Abstract

The Chinese mitten crab, Eriocheir sinensis, is a popular food and an important breeding crab in China. In order to pursue higher sales prices and improve breeding efficiency, many farmers often hoard these crabs, until around the Spring Festival or even later, before selling them. Therefore, considering the time span of hoarding, the present study was designed to check the quality (edible tissues, muscle quality, hepatopancreas color, proximate biochemical and amino acid compositions) of E. sinensis, before and after overwintering hoard. The hepatosomatic index before hoarding in winter was higher than that of after hoarding in winter, but the gonadosomatic index, meat yield, total edible yield, and condition factor were significantly ( p < 0.05 ) lower after hoarding in winter. The texture profile analysis (TPA) of muscle, the springiness, chewiness, and cohesiveness after hoarding in winter were significantly ( p < 0.05 ) higher than those before hoarding in winter. The redness and yellowness of the hepatopancreas before hoarding in winter were lower than those after hoarding in winter. No significant difference ( p < 0.05 ) was found in moisture, crude protein, and crude lipid in hepatopancreas, gonad, and muscle tissues of male E. sinensis. The contents of all amino acids (except methionine and histidine) in hepatopancreas, gonad, and muscle before hoarding in winter were higher than after hoarding, but there was no significant difference ( p < 0.05 ) in hepatopancreas and gonad. While, in the muscle, the contents such as threonine, serine, glutamic acid, glycine, alanine, leucine, phenylalanine, histidine, and arginine, before hoarding in winter, were significantly ( p < 0.05 ) higher than after hoarding. This study showed that, for the male E. sinensis after overwintering hoard, the edible tissues and muscle quality increased, and, moreover, the hepatopancreas color and proximate biochemical and amino acid compositions of hepatopancreas and gonad have no significant changes, but the content of many good amino acids, ΣNEAA and ΣDAA, in muscle all decreased.
越冬贮藏对雄性中华绒螯蟹可食组织、肌肉品质、肝胰脏颜色及近似生化和氨基酸组成的影响
中华绒螯蟹(Eriocheir sinensis)是一种受欢迎的食物,也是中国重要的养殖蟹。为了追求更高的销售价格和提高养殖效率,许多农民经常囤积这些螃蟹,直到春节前后甚至更晚才出售。因此,考虑贮藏的时间跨度,本研究旨在检测中华鄂蚌越冬贮藏前后的品质(可食用组织、肌肉品质、肝胰脏颜色、近似生化和氨基酸组成)。冬储前肝体指数高于冬储后,而促性腺体指数、肉产量、总食用产量和条件因子显著(p < 0.05)低于冬储后。冬储后肌肉的肌理剖面分析(TPA)、弹性、嚼劲和黏结性均显著高于冬储前(p < 0.05)。冬藏前肝胰腺红、黄度均低于冬藏后肝胰腺红、黄度。肝胰腺、性腺和肌肉组织中水分、粗蛋白质和粗脂肪含量差异不显著(p < 0.05)。冬储前肝胰脏、性腺和肌肉中除蛋氨酸和组氨酸外的所有氨基酸含量均高于冬储后,但肝胰脏和性腺间差异不显著(p < 0.05)。冬季贮藏前肌肉中苏氨酸、丝氨酸、谷氨酸、甘氨酸、丙氨酸、亮氨酸、苯丙氨酸、组氨酸和精氨酸含量显著高于贮藏后(p < 0.05)。本研究表明,越冬贮藏后,雄中华鄂鲈可食用组织和肌肉质量增加,肝胰脏颜色、肝胰脏和性腺的近生化组成和氨基酸组成无显著变化,但肌肉中许多有益氨基酸ΣNEAA和ΣDAA的含量均下降。
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来源期刊
Aquaculture Research
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.
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