“一个拳头”的肉类随着年龄的增长,老年人的消化功能逐渐减弱,食量逐渐减少,容易出现蛋白质、维生素A、维生素B1、维生素B2、钙、铁等营养元素缺乏,而鱼、禽、畜肉和蛋类恰好是优质蛋白、脂类、脂溶性维生素、B族维生素和矿物质的良好来源。鱼类和禽类的脂肪含量一般较低,且不饱和脂肪酸含量较高,适 “A fist ” meat As the age, the digestive function of the elderly gradually weakened, food intake gradually decreased, prone to protein, vitamin A, vitamin B1, vitamin B2, calcium, iron and other nutrients lacking, and fish Poultry, livestock meat and eggs are just good sources of good quality protein, lipids, fat-soluble vitamins, B vitamins and minerals. Fish and poultry are generally low in fat and have a high content of unsaturated fatty acids