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为什么冰激凌越吃越渴
更新时间: 2020-07-03 00:00:00  

冰激凌是用牛奶、鸡蛋、糖等做成的,主要成分是蛋白质。人们在消化蛋白质时,需要大量的水分帮助消化,经过新陈代谢,最后变成尿素,排出体外。科学分析。人体排出5克尿素需要消耗大约100克水。所以,冰激凌不但不解渴,而且越吃越渴。

当人体的血浆渗透压提高时,虽然体内并不缺水,也会感到口渴,直至将体内渗透压调节到正常水平为止。冷饮中含有较多糖分,同时还含有脂肪等物质,其渗透压要远远高于人体,因此,食用冷饮当时虽觉凉爽,并临时掩盖了口渴感觉,但几分钟过后,胃肠道温度复升,便会感到口渴,而且会越吃越渴

关键词: 为什么 冰激凌

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