长肋日月贝的营养成分分析及评价

对野生长肋日月贝(Amusium pleuronectes)的闭壳肌和贝肉其他部分的基本营养成分进行分析.结果表明:闭壳肌的平均质量分数为18.13%±2.15%,超过优良养殖海湾扇贝"中科红".闭壳肌的蛋白质质量比(干质量)为847.62 g/kg,贝肉其他部分蛋白质质量比为662.50 g/kg.必需氨基酸与非必需...

Analysis and evaluation of nutritional components of Amusium pleuronectes

Nutritional components of Amusium pleuronectes were analyzed and evaluated. The proportion of adductor muscle (AM) in body weight was 18.13%±2.15%. Crude protein in AM and the other part of shellfish meat (OPSM, in dry weight) were 847.62 g/kg and 662.50 g/kg, respectively. There were high level of Lys in shellfish meat, and the first restricted amino acid (AA) was Val. The ratios between essential AA and non-essential AA were 44.57% and 44.12% in AM and OPSM, respectively; and the proportions of 5 AAs (GLU, ASP, ALA, PRO, and SER) in gross AA were 36.23% and 38.21% in AM and OPSM, respectively. The nutritional value of AM was high because it contained high level of mineral contents and trace elements, such as Mg, P, Zn and Se.