在实验室内测定 4尾斑 (Mystusguttatus)的含肉率及其营养成分 ,并对其营养价值进行综合评定。该鱼 (鲜样 )含肉率 73.37% ;肌肉中含粗蛋白 19.6 0 % ,粗脂肪 0 .36 % ,粗灰分 1.2 0 % ,水分 3.18% ,无氮浸出物 0 .33%。干物质中水解氨基酸总量 84.6 3% ,其中必需氨基酸 36 .19% ,占氨基酸总量的 42 .77% ;游离氨基酸总量 5 93.96 mg/ 10 0 g;必需氨基酸指数为 5 3.0 8;矿物质含量丰富。斑是一种营养价值和养殖价值都较高的淡水优质鱼类 The meat content and its nutritional content of Mystus guttatus were determined in the laboratory, and their nutritional value was evaluated comprehensively. The fish (fresh) containing 73.37% meat; muscle crude protein 19.6 0%, 0.36% crude fat, crude ash 1.2 0%, 3.18% moisture, nitrogen-free extract 0.33%. The total amount of hydrolyzed amino acids in dry matter was 84.6 3%, of which the essential amino acids were 36.19%, accounting for 42.77% of the total amino acids; the total amount of free amino acids was 5 93.96 mg / 100 g; the essential amino acid index was 5 3.08% Rich in material content. Cantaloupe is a freshwater quality fish that is both nutritious and farmed