“吃不了下顿吃”是很多家庭饭桌上经常说到的一句话。然而,并不是所有菜都适合下顿吃,需要引起大家的注意。绿叶菜绿叶菜从肥料及土壤里吸收的硝酸盐,会慢慢被细菌还原成可能使人体致癌的亚硝酸盐,而亚硝酸盐在久置的剩菜里含量最高。此外,绿叶蔬菜中的维生素,经过反复加热几乎消失殆尽。凉菜凉菜不具有杀菌效果,且吃过的凉菜中都会带入细菌,长时间地存储更给细菌的生长繁殖提供足够时 “Can not eat next meal” is often said on the family table a few words. However, not all dishes are suitable for next meal, you need to attract everyone’s attention. Nitrates, which are absorbed from fertilizers and soil, are slowly reduced by bacteria to nitrites, which are potentially carcinogenic to the human body, while nitrite is the most abundant in leftovers. In addition, the vitamins in green leafy vegetables almost disappeared after repeated heating. Cold dish cold dish does not have bactericidal effect, and eaten cold dish will bring bacteria, prolonged storage more to the bacteria to provide adequate growth and reproduction