肉类是一种有养料而又有香味的食品,适口而又能满足食欲,但是它的质地和营养成分是看它所吃的食料及环境卫生而定的。饲料好的动物,它的肉鲜而嫩;在清洁环境生长的动物,体内既少寄生虫,并且不容易传染疾病。清洁无病的肉才是合宜的食品。 (甲)肉的成分: 普通鲜肉里面含有水分50—7O％,蛋白质20％(为上等蛋白质),脂肪10—20％,矿盐1％,如血中含铁,骨骼、肌肉中含磷及铜等,还含有维生素可以防止疾病,调节身体功能,并且含有微量的肝 Meat is a nourishing and scented food that is palatable and able to satisfy appetite, but its texture and nutrient content depends on the food it eats and the sanitation of the environment. For animals that feed well, their meat is fresh and tender; animals that grow in a clean environment have fewer parasites and are less likely to transmit diseases. Clean and disease-free meat is the right food. (A) The composition of meat: Ordinary fresh meat contains 50-70% of water, 20% of protein (for superior protein), 10-20% of fat, and 1% of mineral salt, such as iron in blood, bone and muscle. Phosphorus and copper, etc., also contain vitamins to prevent diseases, regulate body functions, and contain trace amounts of liver