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久存的蔬菜会生毒随着生活节奏的加快,许多人往往乘周末大采购一番,将一周的蔬菜购好,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,由于酶和细菌的作用,硝酸盐被还原成亚硝酸盐,亚硝酸盐是一种有毒物质,它在人体内与蛋白类物质结合,可生成
Long-standing vegetables will be toxic As the pace of life accelerates, many people often take some big weekend purchases, the week’s vegetables purchased, 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 are not toxic themselves, but after a period of storage, the nitrate is reduced to nitrite due to the action of enzymes and bacteria. Nitrite is a toxic substance that binds to proteinaceous substances in the human body to form