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现在已经清楚地知道,对于人和动物来说,仅仅供给蛋白质、糖和无机盐是完全不够的;在食物中还必需具有维生素,才能保证人类的健康。维生素有的虽然已经能够用人工合成,但大多数是植物体内合成的。因此,植物可以说是人类与动物获得维生素的主要来源。人类或者直接从植物性食品中得到维生素,或者间接从动物性食品得到维生素。长期不食蔬菜、水果,缺乏维生素丙,会引起坏血病;在以食大米为主的地区,尤其那些只食精米,不食粗粮的人,就极易遭受到另一种疾病的折磨!即大家熟
It is now clear that for humans and animals, the mere supply of protein, sugar and inorganic salts is not enough; vitamins must also be present in foods to ensure human health. Although some of the vitamins can already be artificially synthesized, most of them are synthesized in plants. Therefore, plants can be said to be the main source of vitamins for humans and animals. Humans either obtain vitamins directly from plant foods or indirectly obtain vitamins from animal foods. Long-term consumption of vegetables and fruits, lack of vitamin C, can cause scurvy; in areas where rice is predominant, especially those who only eat polished rice and do not eat coarse grains, they are very vulnerable to another disease! That is everyone cooked