中国营养学会最近公布了新修订的《中国居民膳食指南》，共有八条，其中第四条是“经常吃鱼、禽、蛋、瘦肉，少吃肥肉和荤油”。鱼、禽、蛋、瘦肉等动物性食物是优质蛋白质、脂溶性维生素和矿物质的良好来源，是合理膳食不可缺少的组成部分。鱼、禽、蛋、瘦肉蛋白质的氨基酸组? The Chinese Society of Nutrition recently released a revised Dietary Guidelines for Chinese Residents, a total of eight, of which the fourth is “often eat fish, poultry, eggs, lean meat, eat less fat and meat oil.” Animal foods such as fish, poultry, eggs and lean meat are good sources of good-quality protein, fat-soluble vitamins and minerals and are an integral part of a reasonable diet. Fish, poultry, eggs, lean meat protein amino acid group?