| 摘要: |
| 本文对湖南省大通湖所产中华绒螯蟹(Eriocheir sinensis)的成蟹, 按商业品级和雌、雄, 测定了其各部分含量和各项营养成分。该湖所产河蟹符合正宗中华绒螯蟹青背、白肚、金爪、黄毛的大闸蟹形态特征。肌肉、肝脏及性腺三大可食部分共占体重的38.13%, 壳、鳃、胃及心脏四大非可食部分共占体重的51.56%, 另有10.31%为血淋巴和组织液; 3 个指标分别比阳澄湖大闸蟹36.72%、53.26%、10.02%相差1.41、1.70、0.29 个百分点。大通湖一级、二级商品蟹可食部分各高出阳澄湖5.29%和2.43%, 营养成分中蛋白质含量高于阳澄湖6.83%和3.60%, 9 项微量元素总和与阳澄湖相当, 17 种氨基酸总和比阳澄湖高6.78%和4.20%, 鲜味氨基酸比阳澄湖高10.69%和4.94%。但以上各种指标雌、雄蟹之间均存在差异, 且微量元素和氨基酸组成方面雄蟹优于雌蟹。 |
| 关键词: 中华绒螯蟹 营养成分 品质 分析与评价 大通湖 |
| DOI：10.11693/hyhz20140400123 |
| 分类号: |
| 基金项目:环洞庭湖水产健康养殖及加工湖南省重点实验室项目, 2013—2014; 湖南省高校科技创新团队支持计划, 2011—2014; 湖南省高校产学研示范基地项目及省重点学科建设项目资助, 2011—2014 |
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| NUTRIENTS ANALYSIS AND QUALITY ASSESSMENT OF ERIOCHEIR SINENSIS FROM DATONG LAKE, HUNAN PROVINCE |
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Yang Pinhong and Li Mengjun
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Research Center on Conservation and Utilization of Biological Resources in Dongting Lake Area, Zoology Key Kaboratory of Hunan Higher Education, College of life Science, Hunan University of Arts and Science, Changde 415000, China,Research Center on Conservation and Utilization of Biological Resources in Dongting Lake Area, Zoology Key Kaboratory of Hunan Higher Education, College of life Science, Hunan University of Arts and Science, Changde 415000, China
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| Abstract: |
| Content of different tissues and organs, as well as nutritional composition of different commercial grade and sex Eriocheir sinensis from Datong lake were all determined. The crab produced in Datong lake had the typical morphological characteristics of E. sinensis, with green back, white belly, gold claw and yellow down. The edible parts including muscle, liver and gonad were 38.13% to the whole body weight, and inedible parts including the shell, gill, stomach and heart were 51.56% to the whole body weight, and another 10.31% included the blood lymph and tissue fluid. Compared to the crab produced in the Yangcheng Lake, the first edible parts and third body fluid parts in the crab produced in the Datong Lake were 1.41% and 0.29% higher, but 1.70% lower in the second inedible parts. Edible parts ratio, protein content, total amino acid, flavor amino acid of the first and second grade of E. sinensis from Datong Lake level were 5.29% and 2.43%, 6.83% and 3.60%, 6.78% and 4.20%, 10.69% and 4.94% higher than that from the Yangcheng Lake, but 9 trace elements were similar to each other. There were no significant differences between the female and male crab in the above various index, but the trace elements and amino acid composition of male were better than the female. |
| Key words: Eriocheir sinensis, nutrients quality analysis and evaluation Datong Lake |
