许多人喜欢搞一次性蔬菜大采购,放入冰箱存放。殊不知,吃这种存放了几天的蔬菜是非常危险的。危险来自蔬菜本身含有的硝酸盐。硝酸盐本身无毒,然而在储藏一段时间之后,由于酶和 Many people like to engage in big one-time purchase of vegetables into the refrigerator. As everyone knows, to eat this store a few days of vegetables is very dangerous. The danger comes from the vegetables themselves contain nitrates. Nitrates themselves are non-toxic, however, after storage for some time due to enzymes and