Food wrap, food packaging, shopping tips
Consumers should pay attention to the following points when purchasing and using food wrap and food packaging bags: 1. Pay attention to the material marked by the product: polyethylene film (PE film) is now widely used in food packaging; polypropylene The film (PP film) has high transparency and is mainly used for packaging of bread and small foods. The vinyl chloride film (PVC film) can also be used for the packaging of perishable foods such as vegetables and fruits, but it cannot be used for the packaging of oily foods. It cannot also be used for heating in a microwave oven. 2, when heating food in a microwave oven, you must use "Special for microwave oven " packaging container. Refrigerated and frozen foods in the refrigerator should be covered with plastic wrap instead of ordinary plastic bags. The special process and raw materials of cling film have good ventilation and fresh-keeping properties, while the use of ordinary plastic bags for a long time will make the food deteriorate and rot, which will not achieve the purpose of preservation. 3. When packaging foods such as cooked foods and snacks in plastic bags, it is best not to use colored plastic bags. Because many of these plastic bags are reprocessed from recycled waste plastic products, they cannot be directly loaded with food.