Nutritional components of Chinemys reevesii were determined and analyzed.The results showed: the content of water was 78.44%, the content of crude protein was 16.46%, the content of crude fat was 1.87% and the content of ash was 0.99% in Chinemys reevesii.There were at least17 kinds of amino acids in tortoise meat crude protein.The composition proportion of essential amino acids and nonessential amino acids was 0.76, essential amino acids index was 70.91 and it was completely in conformity with the recommended standard of FAO/WHO.The crude fat contained rich unsaturated fatty acids which accounted for 55.49% of total amount of fatty acids.In addition, Σn-6PUFA/Σn-3PUFA was 1.83 and ΣPUFA/ΣSFA was 0.98.It showed that Chinemys reevesii tortoise meat contained rich n-3 series of polyunsaturated fatty acids and it was completely in conformity with the food nutrition and safety requirement of HMSO.Meanwhile, Chinemys reevesii meat was rich in minerals and trace elements which were essential to the human body, and the content of Fe, Zn, Ca, and Se were relatively higher.Therefore, Chinemys reevesii was a kind of aquatic products which were full of nutrition and good taste.%对中华草龟(Chincmys reevesii)的营养成分进行了测定和分析.结果表明:中华草龟肉的水分含量为78.44%,粗蛋白含量为16.46%,粗脂肪含量为1.87%,灰分含量为0.99%.龟肉粗蛋白至少含有17种氨基酸组成,必需氨基酸与非必需氨基酸的组成比例为0.76,必需氨基酸指数为70.91,完全符合FAO/WHO的推荐标准;粗脂肪中含有丰富的不饱和脂肪酸,占脂肪酸总量的55.49%;另外,Σn-6PUFA/Σn-3PUFA为1.83,ΣPUFA/ΣSFA为0.98,表明中华草龟龟肉中含有丰富的n-3系列多不饱和脂肪酸,完全符合HMSO对食品营养安全的要求.同时,中华草龟肉中也富含人体必需的矿物质和微量元素,其中铁、锌、钙、硒的含量都相对比较高.因此,中华草龟是一种营养丰富、味道鲜美的水产品.
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