3种鲣鱼背部肌肉的营养成分分析及评价

Ling TONG, Yi JIN,Kunhua XU,Zhiyuan DAI

South China Fisheries Science(2014)

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Abstract
分析与评价了鲣( Katsuwonus pelamis)、东方狐鲣( Sarda orientalis)和扁舵鲣( Auxis thazard)3种鲣鱼背部肌肉的营养成分。结果显示:1)3种鲣鱼的粗蛋白质量分数为22.86%~24.65%,粗脂肪质量分数为1.41%~2.51%,3种鲣鱼均含有丰富的常量和微量元素;2)鲣和东方狐鲣背部肌肉均检出17种脂肪酸,而扁舵鲣检出23种,其∑PUFA/∑SFA分别为1.17、0.93和1.14,n-6/n-3系∑PUFA值分别为0.07、0.04和0.11,此外,鲣背部肌肉的多不饱和脂肪酸相对质量分数为38.98%,高于东方狐鲣的33.64%和扁舵鲣的37.93%;3)东方狐鲣背部肌肉的必需氨基酸质量分数和必需氨基酸指数( EAAI)分别为35.10%和0.90,略高于鲣的33.95%和0.89与扁舵鲣的32.51%和0.89。
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