摘要
对池塘精养中华绒螯蟹的生物学指数,可食部分的概略养分、矿物元素、氨基酸以及脂肪酸进行检测与分析。结果表明:中华绒螯蟹的肥满度、可食部分及非可食部分占体重的百分比分别为0.58、34%和56.49%;中华绒螯蟹可食部分水分、粗蛋白、粗脂肪、粗灰分、无氮浸出物、钙、磷的平均含量依次为62.35%,19.16%,10.82%,1.69%,6.00%,0.23%,0.29%;能值为9.86kJ/g;镁、铁、锌、铜、锰的平均含量分别为356.53,72.11,54.02,10.26,5.77μg/g;氨基酸总量、鲜味氨基酸量以及人体必需氨基酸量分别为16.15%,6.04%,6.76%;脂肪酸总量为5 588.39μg/g,其中含单不饱和脂肪酸3 603.57μg/g。上述指标中,除水分、粗灰分、钙、磷、铁、铜以雄蟹中含量较高以外,其余指标均以雌蟹中含量较高,表明雌蟹的整体营养价值以及风味比雄蟹好。
Biological indexes, water, crude protein, ether extract, ni- trogen-free extract, ash,minerals amino acids and fatty acids in the edible parts of Eriocheir sinensis H. Milne-Edwards were deter- mined to analyze the quality of Eriocheir sinensis H. Milne-Edwards under pond intensive culture in Oct,2005. The results indicated that saturated degree, proportion of edible part and non-edible parts were 0.58, 34% and 56.49%, respectively. Proportion of water, crude protein, ether extract, ash, nitrogen free extract, calcium and phos- phorus in the edible parts were 62. 35%,19.16%,10.82%, 1.69%, 6.00%, 0. 23 % and 0. 29%, respectively. Magnesium, iron, zinc, copper and manganese in the edible part were 356. 53, 72. 11, 54.02, 10.26 and 5. 77 μg/g. Total amino acid, flavor amino acid and essential amino acid in the edible part were 16.15 %,0, 6.04% and 6.76%, and total fatty acid and mono-unsaturated fatty acid in that part were 5 588.39 and 3 603. 57 μg/g. Among the above indexes, except the water, crude ash, calcium, phosphorus, iron, and copper, all the other indexes in the female Eriocheir sinensis H. Milne-Edwards were higher than that in the male, which shows that the total nutrient value and flavor of edible parts in the female were better than that in the male.
出处
《食品与机械》
CSCD
北大核心
2013年第1期61-65,共5页
Food and Machinery
基金
湖南省高校科技创新团队支持计划项目
湖南省动物学重点学科建设项目
关键词
中华绒螯蟹
可食部分
生物学指数
营养成分
Eriocheir sinensis H. Milne Edwards
biological index
edible parts
nutrients
