Analysis and evaluation of nutritional components of Amusium pleuronectes
长肋日月贝的营养成分分析及评价

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.