饮食科学在我国已有悠久的历史,早在2000多年前,《黄帝内经》就提出“五谷为养,五果为助,五畜为益,五菜为充”的膳食调配原则,实质上是现代营养学所倡导“平衡膳食”的高度概括。尽管蔬菜瓜果所含的蛋白质、脂肪以及所提供的热量无法与肉类相比,但它们富含糖类、维生素、无机盐和纤维素,其营养作用对人类健康至关重要。适量的新鲜蔬菜水果能促进 The science of diet has a long history in our country. As early as 2000 years ago, the Yellow Emperor’s Internal Classic proposed the principle of dietary adjustment of “grain for raising, five fruits for help, five animals for benefit and five dishes for filling” On the modern nutrition advocated “balanced diet ” highly summarized. Although fruits and vegetables contain proteins, fats, and calories they can not provide compared to meat, they are rich in sugars, vitamins, inorganic salts and cellulose, and their nutritional effects are crucial to human health. The right amount of fresh fruits and vegetables can promote