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有些人习惯于早晨空腹喝牛奶,这种喝法很不科学。因为空腹喝牛奶,易使蛋白质转化成热能消耗掉,很不经济。空腹时,胃肠排空很快,牛奶中的大部分蛋白质尚未完全被消化吸收就排到大肠中,部分蛋白质虽在小肠中分解成氨基酸,但还未来得及全部吸收,就被排到大肠中。氨基酸和蛋白质在大肠中腐败,被细菌分解成为有毒物质,危害人体健康。
Some people are used to drinking milk on an empty stomach in the morning. This method of drinking is unscientific. Because fasting drink milk, easy to convert protein into heat consumed, it is not economical. Fasting, gastrointestinal emptying quickly, most of the milk protein has not been completely digested and discharged to the large intestine, although part of the protein in the small intestine into amino acids, but have not had time to fully absorb, was discharged to the large intestine . Amino acids and proteins in the large intestine corruption, bacterial decomposition into toxic substances, endangering human health.