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In fact, even when kept in the refrigerator, your food still needs to "breathe", especially foods rich in microorganisms. In addition, you need to consider choosing the type of paper/bag to wrap food because many types of recycled plastic can cause food to be "infected" with toxic substances. There are generally 2 types of plastic bags: The first type is produced from 100% virgin PV and PP plastic particles from pure petroleum. This type of plastic is not toxic to humans. The second type (the type we are commonly using) is recycled plastic bags from many used plastic products. Among them, there are even paint cans, toilet bowl cleaner bottles... During the recycling process, contamination with heavy metals such as cadmium, lead... is inevitable. According to the US Institute for Agriculture and Trade Policy, when food is stored in plastic bags or recycled plastic containers, chemicals from the bags can seep into the food, then be absorbed into the body. Over time, chemicals in plastic bags will change tissue, chromosome errors causing miscarriages, birth defects, early puberty and hormonal changes. .. Therefore, experts recommend not to overuse plastic bags to wrap food. If used, they should not be used more than twice and should use plastic bags made from transparent plastic, not bags that are blue, red, yellow and opaque white. Think about our own health and reduce the risk of environmental pollution by getting into the habit of gradually eliminating plastic bags from our daily lives. Instead, we have many other more friendly options.

Wax paper. Wax paper, also known as wax paper, is designed to keep food fresh longer. Not only is it waterproof and non-stick, but it also prevents food from being contaminated with each other's odors. Foods rich in microorganisms such as cheese, sausages, and meats, if wrapped in wax paper, will help them increase their moisture and freshness. In addition, covering a sheet of wax paper on the top of a bowl or plate when microwaving will help prevent food from making popping sounds when microwaved. Paper bags Paper packaging is an environmentally friendly product, less toxic, so it is increasingly popular in the field of food packaging and preservation. People often use paper bags and boxes to store food (bread, cakes, fast food), drinks (milk, juice) and vegetables because they do not contain toxic chemical elements like plastic bags. In particular, for herbs that you want to keep for a long time in the refrigerator, cut off the roots, wrap them in a paper bag and put them in the refrigerator.

Storage boxes. Plastic food storage boxes are more popular because they are light, odorless, easy to clean, affordable, and come in many sizes and shapes suitable for many uses. Glass and ceramic food storage boxes: have a more luxurious appearance, if they are heat-resistant, when taken out of the refrigerator, they can be put directly into the microwave to heat food without worrying about breaking, and can also be used in the oven. However, glass and ceramic are quite heavy, fragile, and dangerous when there are small children in the house. Tritan food storage boxes: have been introduced to the market recently because they have many advantages compared to the above materials: Light and transparent like glass, odorless, less prone to scratches, can be boiled in boiling water to sterilize.

Vacuum bags. Recently, the method of preserving food with vacuum bags is one of the new trends used by many women. The actual job of these vacuum bags is to suck out all the air in the food storage bag, creating a vacuum environment. This helps to minimize the growth of bacteria and mold and spoil the food. When using these bags to preserve food, we can keep it 3-5 times longer than in the freezer while still maintaining its freshness.