High-fat foods, such as ready-to-cook cooked food products in supermarkets, should not be packed in plastic bags for more than 2 hours. For plastic bags, grease is an excellent dissolving agent. In general, the chemical molecules that have migrated will reach a peak after two hours of contact with oily food and plastic bags.
6 hot drinks for plastic cup lids, such as cups of tea and coffee, do not cover the lid directly after boiling with boiling water. The heat-resistant temperature of the lid of plastic material cannot exceed 90°C, otherwise it will be deformed. It is also easy to dissolve toxic substances.
When selecting bags for foods such as bulk pastry and noodles at supermarkets, be sure to pick plastic bags labeled “food special bags†and “QS logosâ€. And pay attention to see if the plastic bag is transparent and lubricious, and smell whether there is odor.
Plastic packaged foods should not be heated in a microwave oven. Most of the plastic packaging used in supermarkets for packaged foods is high-density polyethylene (PE-HD), which is non-toxic and tasteless and does not harm the human body. However, it should be noted that do not put the packaged food into the microwave oven, which can easily cause harmful substances to enter the food in high temperature conditions.