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长期饮酒的人,往往继发营养不良。 酒精进入人体后,对胃肠道粘膜有毒性作用,致使肠粘膜不能正常吸收维生素B1,导致人体缺乏维生素B1。患肝硬化的嗜酒者中,出现维生素A缺乏症也得到证实。其主要原因是组织中维生素A代谢利用的酶被用于酒精代谢,影响维生素A的正常代谢作用。
Long-term alcohol consumption, often secondary to malnutrition. Alcohol into the human body, the toxic effects of gastrointestinal mucosa, resulting in abnormal absorption of the intestinal mucosa of vitamin B1, leading to the body’s lack of vitamin B1. Vitamin A deficiency has also been confirmed in alcoholics suffering from liver cirrhosis. The main reason is the use of vitamin A metabolism in tissues is used for alcohol metabolism, affecting the normal metabolism of vitamin A.