杂色蛤软体部营养成分分析及评价

测定分析了杂色蛤软体部的营养成分。结果表明,杂色蛤软体部(鲜样)中水分、粗灰分、粗蛋白和粗脂肪的质量分数分别为82.70%、2.63%、9.63%和0.54%。杂色蛤软体部(干样)中含有18种氨基酸,总量为52.86%,其中必需氨基酸(EAA)总量为21.58%,占氨基酸总量的40.82%,必需氨基酸与非必需氨基酸的比值(WEAA/WNEAA)为88.23%,构成比例符合FAO/WHO规定的优质蛋白质标准,鲜味氨基酸(DAA)总量为18.89%,占氨基酸总量的35.74%。杂色蛤软体部的限制性氨基酸为(甲硫氨酸+胱氨酸)、异亮氨酸和色氨酸,必需氨基酸指数(EAAI)为73.83。脂肪酸中多不饱和脂肪酸(PUFA)占29.74%,其中EPA和DHA共占PUFA的67.82%,ω-3PUFA的含量丰富且明显高于ω-6 PUFA的含量。矿物元素比例合理,微量元素中Fe和Se含量较丰富,维生素中VA、VB2和VB5含量较丰富。表明杂色蛤软体部具有较高的食用价值与保健作用。

Analysis and evaluation of nutritive composition in edible part of Ruditapes variegata

Currently,the research on Ruditapes variegata has focused on breeding,mantle tissues,pesticide residues,etc.There has rarely been reported about comprehensive nutrition analysis and evaluation of Ruditapes variegata.In this paper,general nutrients(moisture,crude ash,crude protein and crude fat),amino acids,fatty acids,mineral elements as well as vitamins in edible part of R.variegata were investigated.The examination results showed that the contents of moisture,crude ash,crude protein and crude fat in fresh...