肉类食品的蛋白质含量丰富 ,其氨基酸组成与人接近 ,被称作优质蛋白质 ,有植物性蛋白质不可替代的功能。儿童生长所必需的赖氨酸主要存在于肉中 ,在粮谷中很少。肉类食品还是人体的 Fe、Zn、Cu等矿物质与脂溶性维生素的主要来源。肉类食品若摄取不足 ,人很易因蛋白质缺泛而造成 Meat rich in protein content, and its amino acid composition close to people, known as high-quality protein, vegetable protein irreplaceable function. Lysine, which is essential for the growth of children, is mainly found in meat and is rarely found in grains. Meat is also the body’s Fe, Zn, Cu and other minerals and fat-soluble vitamins the main source. If insufficient intake of meat, people are easily due to lack of protein caused