Many people use hot tea or hot water to scald the tableware when eating out, hoping to sterilize and clean it. Especially for Cantonese, [boiling water scalding bowls] can almost be said to be a ceremony before eating. Apart from the sense of ceremony, is this boiling water really useful? Hot water scalds bowls and cannot sterilize them. Indeed, if tableware is not fully cleaned and sterilized, or there is secondary pollution after cleaning and sterilization, then there may be some pathogenic bacteria. To kill bacteria by heating, generally speaking, it takes at least 70 to 80 degrees and keeps it for several minutes. Under normal circumstances, the hot tea and hot water provided by the restaurant is 70 to Read More …