本期话题:近几年,媒体一直有关于食品中亚硝酸盐超标的报道,如“某高端品牌天然矿泉水因亚硝酸盐超标,上了国家级质量不合格产品黑榜”、“把亚硝酸盐当成食用盐加入食物中,导致中毒的现象屡有发生”等。通常人们谈到亚硝酸盐往往会联想到腌制食品,而天然矿泉水中怎么会有亚硝 Current topics: In recent years, the media has been reported in food nitrite exceeded, such as “a high-end brand of natural mineral water due to excessive nitrite, on the national quality substandard products black list ”The nitrite as food salt added to food, resulting in the phenomenon of poisoning have occurred frequently" and so on. Usually people talk about nitrite often think of pickled foods, but how can there be nitrite in natural mineral water?