目前,电冰箱已陆续进入了家庭,不少人以为只要食品放进电冰箱里就不会变质,往往是在电冰箱里存放了三、四天后的熟食取出就吃,殊不知这样做是非常容易导致食后中毒的。冰箱能使食品保持新鲜,是因为低温环境抑制了细菌的生长繁殖,但冷藏却不能绝对消灭细菌。一些肠道杆菌的耐寒能力很强,例如伤寒杆菌、肠炎杆菌等在冰雪中还可生存三至四个月,一旦温度恢复到常温下就可大量繁殖并产生大量的毒素。假如冷藏的熟食 At present, refrigerators have gradually entered the family, many people think that as long as the food into the refrigerator will not be deteriorated, often stored in the refrigerator three or four days after the cooked food to eat, do not know to do so is very easy Lead to food poisoning. Fridge can keep food fresh, because the low temperature environment inhibited the growth of bacteria, but the refrigerator can not absolutely eliminate bacteria. Some enterobacteria have strong cold-resistant ability. For example, Salmonella typhi and Enterobacter gondii can survive in ice and snow for three to four months. Once the temperature returns to normal temperature, they can multiply and produce a large amount of toxins. If the frozen cooked food