棘胸蛙肌肉营养成分的分析Ⅱ.氨基酸及矿物元素的组成

An analysis of the nutritive compositions in muscle of Rana spinosaⅡ.Compositions of amino acids and mineral elements

本文对棘胸蛙的蝌蚪 (体重 0 .8～ 2 .6g)、小幼蛙 (体重 9.0～ 2 7.3g)、大幼蛙 (体重 4 0 .5～ 65.7g)和成蛙 ( 134 .5～ 2 13.0 g)肌肉及蛙皮中的氨基酸及矿物元素的组成进行了分析 ,结果表明 :肌肉中人体必需氨基酸的含量占氨基酸总量的 4 4 .0 6% ,谷氨酸的含量很高 ,为氨基酸总量的 15.65% ;肌肉中含有2 0种以上的矿物元素 ,具有重要生理功能的硒等微量元素含量较丰富 ,含量为 0 .0 2 9mg/ 10 0 g.本研究在分析与比较的基础上评价了棘胸蛙的营养价值 。

The compositions of amino acids and mineral elements in muscle and skin of \%Rana spinosa\% tadpole (weight:0.8～2.6g), small juvenile \%Rana spinosa\% (weight:9.0～27.3g), big juvenile \%Rana spinosa\% (weight:40.5～65.7g) and adult \%Rana spinosa\% (weight:134.5～213.0g) were analyzed. The essential amino acids in muscle acount for 44.06% of total amino acids. The content of glutamic acid in muscle isconsiderably high, reaching about 15.65% of total amino acids. In muscle of \%Rana spinosa\% there are more than 20 kinds of mineral elements. There is rich trace mineral elements of important physiological function, such as selenium. The content of selenium is 0.029 mg/100g. On the basis of analysis and comparison, the nutritive value of \%Rana spinosa\% was confirmed and the theoretical grounds to develop the coordinating diet of \%Rana spinosa\% were provided in this paper.