Many people in order to prevent food between the "string taste", used to store the refrigerator with fresh boxes of food. City Nutrition Society executive director Tan Guijun introduction, preservation box on the preservation of food is good, but the use of great stress.
When purchasing fresh crisper, pay attention to confirm the material of the crisper, to use PC (polycarbonate), PE (polyethylene), PP (polypropylene) and tempered glass and other materials made of harmless materials. When the container is removed from the freezer, it can be opened in warm water for 1 minute to 2 minutes before extending its service life. It is best not to keep the food in hot food, because the hot food will make the air swell, so that the sealing performance of the crisper, to wait for food cooler and then stored. It should be noted that, PP crisper in the microwave heating, can only be a short time heating, time can not exceed 3 minutes.