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不久前,网上一则教人们如何喝水的养生帖子《开水也有保质期,一杯水的寿命最长16个小时》火了。帖子里说,喝了过期的开水会引发肠胃炎,煮沸太久的水会导致水里的亚硝酸盐增多……真有这么恐怖吗?蝌蚪整理了相关的知识,给予纠正。说法一:水烧开后应继续煮沸3分钟,这样才能除去自来水里的氯化物。真相:自来水烧开后确实应继续煮沸,但不需要等3分钟,差不多一两分钟就可以了。因为自来水在加工的时候,都会经过氯化处理消毒,烧开后再小火烧一下有利于
Not long ago, an online health message to teach people how to drink water, “boiled water also has a shelf life, a glass of water life of up to 16 hours” fire. Post said that drinking expired boiling water will cause gastroenteritis, boiled water for too long will lead to an increase of nitrite in the water ... really so terrible? Tadpoles sorted out the relevant knowledge, to be corrected. One argument: water boil should continue to boil for 3 minutes, so as to remove chloride in tap water. Truth: After boil water does boil, but do not need to wait 3 minutes, almost a minute or two on it. Because tap water in the processing time, will be chlorinated disinfection, boil it and then a little fire conducive to