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当前位置: 首页 > 文章 > 亚东鲑Salmo trutta fario肌肉营养成分分析和品质评价 水产学杂志 2015 (3) 21-25
Position: Home > Articles > Analysis and Evaluation of Muscular Nutrition in Brown Trout Salmo trutta fario Chinese Journal of Fisheries 2015 (3) 21-25

亚东鲑Salmo trutta fario肌肉营养成分分析和品质评价

作  者：
王芳;户国;周建设;谷伟;李宝海;白庆利;王炳谦
单  位：
淡水鱼类育种国家地方联合工程实验室;西藏自治区农牧科学院
关键词：
亚东鲑;肌肉;营养成分;氨基酸;脂肪酸
摘  要：
本实验通过测定亚东鲑Salmo trutta fario肌肉中常规成分、氨基酸含量及脂肪酸含量,评价其营养价值。结果表明:亚东鲑肌肉中水分、粗蛋白、粗脂肪和粗灰分含量分别为70.81%、22.63%、4.91%,和1.80%。除色氨酸水解外,亚东鲑肌肉中17种氨基酸的总量为69.51%,其中必需氨基酸为28.86%,占氨基酸总量的41.52%,符合FAO/WHO标准中必需氨基酸构成比例。4种鲜味氨基酸总量为26.09%,其中谷氨酸的含量最高,占鲜味氨基酸总量的41.47%。亚东鲑肌肉的限制性氨基酸为蛋氨酸+胱氨酸和缬氨酸。必需氨基酸指数为85.54。在亚东鲑肌肉中共检出12种脂肪酸,其中单不饱和脂肪酸含量为38.32%,多不饱和脂肪酸含量为38.98%,二十碳五烯酸和二十二碳六烯酸总量达到12.31%。结果表明:亚东鲑肌肉氨基酸平衡性好,高度不饱和脂肪酸含量高。
译  名：
Analysis and Evaluation of Muscular Nutrition in Brown Trout Salmo trutta fario
作  者：
WANG Fang;HU Guo;ZHOU Jian-she;GU Wei;LI Bao-hai;BAI Qing-li;WANG Bing-qian;National Local Joint Engineering Laboratory of Freshwater Fish Breeding, Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences;School of Fisheries and Life Science, Shanghai Ocean University;Tibet Academy of Agricultural and Animal Husbandry Sciences;
关键词：
Salmo trutta fario;;muscle;;nutrient composition;;amino acid;;fatty acid
摘  要：
Nutritional compositions in muscle of brown trout Salmo trutta fario were analyzed by routine methods and evaluated by amino acids score(AAS)and chemical score(CS). The results showed that the fresh muscle contained moisture of 70.81%, crude protein22.63%, crude fat 4.91% and crude ash 1.80%. There were total amino acid(TAA)of 69.51%, total essential amino acid(EAA)28.86% and total delicious amino acid(DAA)26.09% in dry muscle with EAA/TAA of 41.52% and EAA/NEAA of 84.11%. It was clear that the two ratios in the muscle were in accord with the standard of FAO/WHO(40% and 60%). The AAS and CS revealed that methionine+cysteine and valine were the limited amino acids, with essential amino acids index(EAAI)of 85.54. A total of 12 kinds of fatty acids were detected in the muscle of the brown trout, including 19.76% of saturated fatty acid(SFA), 38.32% of monounsaturated fatty acid(MUFA), 38.98% of polyunsaturated fatty acid(PUFA), and up to 12.31% of total content of EPA and DHA. In conclusion, brown trout is one of the fish with good nutritive value and culture values.

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