粮食是人类的主食,是人体营养成分的主要来源。谷类粮食中含有人体所需的各种营养成分,但由于粮食品种所含的营养不等,以及粮食加工中营养素的损失,同时因为人体所需的营养素是多方面的,因此,单一的粮食难以供应人体所需的全部营养素。如果借助于强化剂,就可以使粮食的营养价值大大提高,在每百克大米中添加0.2克赖氨酸,米饭的营养价值可相当于同量的鸡蛋,在面粉中添加0.2％的赖氨酸,可使面 Food is the staple food of mankind and is the main source of human nutrition. Cereals contain a variety of nutrients required by the human body. However, due to the unequal nutritional content of food grains and the loss of nutrients in food processing, and because the nutrients required by the human body are manifold, the single food is difficult Supply all the nutrients your body needs. If fortified with agents, can make the nutritional value of food greatly increased, adding 0.2 grams of lysine per 100 grams of rice, the nutritional value of rice can be equivalent to the same amount of eggs, flour added to 0.2% of the lysine Acid, can make noodles