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我们身体所需要的许多营养来自于摄入的蔬菜。日常生活中一个成年人每天应摄入200～500克蔬菜才能满足人体的需要。在生活中,人们往往凭着蔬菜价格与味道作为选用的标准。其实这很不科学。因为蔬菜的价格和味道并不等于蔬菜的营养价值。判断蔬菜的营养价值应该主要是该蔬菜内含有多少人体必需的维生素以及铁、钾、钙等无机盐和纤维素等。 科学家通过对多种蔬菜营养成分的分析,发现一种非常有趣的现象:蔬菜的营养价值与蔬菜的颜色密切相关。颜色
Much of the nutrition our body needs comes from the ingested vegetables. An adult in daily life should consume 200 to 500 grams of vegetables a day to meet the needs of the human body. In life, people often depend on the price and taste of vegetables as the standard of choice. In fact, this is not scientific. Because the price and taste of vegetables is not equal to the nutritional value of vegetables. To determine the nutritional value of vegetables should be mainly contained in the vegetable how much the body essential vitamins and iron, potassium, calcium and other inorganic salts and cellulose. By analyzing the nutrients in many vegetables, scientists have found a very interesting phenomenon: the nutritional value of vegetables is closely related to the color of vegetables. colour