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人们平常烧开水存在三种误区:1.水刚一烧开,马上关火;2.水烧开后,又让它沸腾了好久才关火;3.水一烧开,让它沸腾1～3分钟后再关火。专家认为以上三种方法都不正确。科学的方法应该是:水烧开后,应马上把盏揭开,再让它烧l～2分钟。理由是:把水烧开是为了杀菌,而揭开盖子则是为了让一些致癌物质以气态的形式挥发出去。
People usually boil water there are three kinds of errors: 1. water just boil, immediately turn off the heat; 2. boil water, let it boil for a long time before turning off the heat; 3. water boil, let it boil 1 ~ Turn off the heat after 3 minutes. Experts believe that the above three methods are not correct. The scientific method should be: After the water is boiled, it should be lifted immediately, let it burn l ~ 2 minutes. The reason is: to boil water is for sterilization, and opened the lid is to make some carcinogens volatilize in gaseous form.