“营养的要素不外乎碳水化合物、蛋白质、脂肪、维生素、矿物质、水、纤维质等,其来源略述如下: 1.碳水化合物:主要是供给活动的能量。米饭、馒头、小米等都可以,粗糧之消化率较低,如没有条件完全吃细糧也最好每星期能吃几天细糧。 2.蛋白质:主要是填补新陈代谢的消耗和供给热量。动物蛋白较好,来源如鱼、肉、蛋等;植物蛋白价值比较低,但较经济,来源如豆类、米、面等。每天喝一碗豆浆是良好的习惯,但除植物蛋白质外还应配以适当的动物蛋白质。 3.脂肪:主要功用是供给热量,补充新陈代谢的损失和溶解维生素A和D。来源是各种动、植物油。 4:维生素:很多种,最重要的有A,B,G,D四种。维生素A缺乏可致夜盲、乾眼病、皮肤粗糙、生长发育受障礙等,来源是肝、奶、蛋、鱼、胡萝卜、白菜等。维生素B共包含十一种,茲不分述,缺乏的结果是 “The elements of nutrition are nothing more than carbohydrates, proteins, fats, vitamins, minerals, water, fiber, etc. The sources are summarized as follows: 1. Carbohydrates: It is mainly the energy that supplies activities. Rice, steamed bread, millet, etc. Yes, the digestibility of coarse grains is low, and it is best to eat a few grains per week if there is no condition to completely eat fine grain. 2. Protein: Mainly to fill the metabolic consumption and heat supply. Better animal protein, source such as fish , meat, eggs, etc.; plant protein is relatively low value, but more economical, sources such as beans, rice, noodles, etc.. Every day drinking a bowl of soy milk is a good habit, but in addition to plant protein should be accompanied by appropriate animal protein. 3. Fat: The main function is to supply calories, supplement loss of metabolism and dissolve vitamins A and D. Sources are various animal and vegetable oils 4: Vitamins: very many, the most important are A, B, G, D four kinds. Vitamin A deficiency can cause night blindness, dry eye, rough skin, impediments to growth and development, etc. Sources are liver, milk, eggs, fish, carrots, cabbage, etc. Vitamin B contains a total of eleven, it is not separated, lack of results Yes