In everyday life, it is not uncommon for foods to be packaged in plastic bags. Whether it is daily necessities, shoes, clothes, or fish, meat, vegetables, fruits, or even fritters, soya milk, etc. are inevitably installed in plastic bags. However, Dong Jinshi, deputy director of the China Packaging Resources Comprehensive Utilization Committee, reminded that plastic bags can also be used for daily necessities.
Four ways to check whether the plastic bag can be eaten
One is to see
The first thing to look for is whether the appearance of the plastic bag has a "food use" sign. Usually this sign should be in the front of the bag, more prominent position. The second is to look at the color. Generally speaking, colored plastic bags mostly use recycled plastic materials that cannot be used to hold food. For example, black plastic bags used in some food markets to hold fish, shrimp, and other aquatic products or meat were originally used to store rubbish, and consumers should avoid using it. Finally, look at the plastic bag for impurities. Put the plastic bag in the sun or light to see if there are black spots or not. Plastic bags with impurities must be used as raw materials.
The second is the smell
Smell the smell of plastic bags, whether it makes people feel sick. Qualified plastic bags should be odor-free, and unqualified plastic bags with various additives due to the use of additives.
The third is torn
Qualified plastic bags have a certain strength and do not break when they are torn; unqualified plastic bags often have poor strength and are easily broken due to the addition of impurities.
The fourth is listening
Qualified plastic bags give a crisp sound when shaken; unqualified plastic bags tend to be “squeakyâ€.
Plastic bag with little hot and oil food
Of course, if you can't determine if the plastic bag is safe, avoid using it for overheating or fatty foods. This is one of the ways to reduce the damage.
Dong Jinshi said that unsafe plastic bags contain mainly harmful substances such as dyes and heavy metals. The oils contained in oily foods such as meat, fish, and fritters are actually a kind of solvent, which can cause the harmful substances in the plastic bags to precipitate; and high temperatures can soften the plastics, and can also promote the precipitation of harmful substances and cause poisoning. Therefore, it will be relatively safe to use normal temperature vegetables or frozen foods.
Of course, we must try our best not to use plastic bags to hold food. You can bring a basket or cloth bag when you buy food; when you have to use it, you should remove the food from the plastic bag as soon as you go home.
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