1.热的食物,先冷却至室温。 2.湿淋淋的蔬菜、水果要擦干水珠。 3.鲜鱼、肉这些有味或容易产生有细菌的食品要用塑料袋封装,因为如果水分从肉类内部跑出来,在表面结成冰,造成细胞脱水,脱水部分的蛋白质丧失了容纳水分能力,结果助长氧化退化,出现难看的棕色,损失营养。 1. Hot food, first cooled to room temperature. 2. wet vegetables, fruits to dry the water drops. 3. Fresh fish, meat These flavored or easily produce bacteria in the plastic bag packaging, because if the water ran out of the meat inside, forming ice on the surface, resulting in cell dehydration, dehydration of the protein part of the loss of water to accommodate Ability to contribute to the oxidative degradation of the results, there ugly brown, loss of nutrition.