所有的冰箱都能贮藏食物 ,但不是所有的冰箱都能保持食物的新鲜和营养。食物变质的主要原因是微生物的腐败作用和酶的分解作用。在低温状态下 ,微生物和酶的活性受到抑制。一般在２℃～６℃ ,微生物和酶的活性大为降低 ;在 -１８℃ ,微生物和酶的活动基本停止 ,冰箱保存食物主 All refrigerators store food, but not all refrigerators maintain the freshness and nutrition of the food. The main reason for food deterioration is the decay of microorganisms and the decomposition of enzymes. At low temperatures, the activity of microorganisms and enzymes is inhibited. Generally at 2 ℃ ~ 6 ℃, microbial and enzyme activity greatly reduced; at -18 ℃, microbial and enzyme activity basically stopped, the refrigerator to save food main