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维生素是必需的营养成分之一,属于生物活性物质,对新陈代谢等生命过程影响很大。维生素缺乏时,某些酶体系即遭到破坏,导致物质代谢障碍,引起疾病。维生素的种类很多,按其溶解度分为脂溶性和水溶性两大类。水溶性维生素有B族和C族,脂溶性维生素有A、D、E、K;水溶性维生素B族有B_1、B_2、尼克酸、B_6、泛酸、生物素、叶酸、对氨基苯甲酸、
Vitamins are one of the necessary nutrients, which are bioactive substances and have a great impact on the metabolism and other life processes. In the absence of vitamins, some enzyme systems are destroyed, leading to material metabolism and disease. Many types of vitamins, according to their solubility into fat-soluble and water-soluble two categories. Water-soluble vitamins B and C, fat-soluble vitamins A, D, E, K; water-soluble vitamin B group B_1, B_2, niacin, B_6, pantothenic acid, biotin, folic acid,