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通常机体主要从膳食的脂肪、碳水化合物和蛋白质获得能量,然而还有一种能量来源是酒(乙醇)。1克乙醇能提供7千卡的能量。如一个人长期饮酒,依靠酒获得总能量1/4以上时将发生营养不良,其原因有以下几方面。1、饮酒增加机体营养素排出:试验表明,酒精对机体组织具有直接毒性作用。如乙醇对胃肠道粘膜具有毒
Often the body takes energy mainly from dietary fats, carbohydrates and proteins, yet another source of energy is alcohol (ethanol). 1 gram of ethanol can provide 7 kcal of energy. If a person’s long-term alcohol consumption, relying on alcohol to obtain total energy more than 1/4 will occur when malnutrition, for the following reasons. 1, drinking increased body nutrients excretion: tests show that alcohol has a direct toxic effect on body tissues. Such as ethanol on the gastrointestinal mucosa is toxic