Can I keep vegetables fresh by wrapping them in plastic wrap and putting them in the fridge?

Some people don't like to go to the vegetable market as soon as they go to the grocery shopping mall.

I will buy a lot of food, and the amount I buy is completely enough to eat for several days, just to avoid going to buy vegetables often, but many vegetables can not be stored for too long, even if there is a refrigerator, it can not be put for too long, and people use plastic wrap in order to make vegetables last longer.

But what we're not sure about is whether wrapping vegetables in plastic wrap and putting them in the fridge will keep them fresh? Theoretically, yes, but not all vegetables are suitable for plastic wrap to keep them fresh.

We should all know that the main function of plastic wrap is to prevent vegetables from losing water too quickly, so that vegetables will not wilt due to the loss of too much water, resulting in their taste is no longer delicious, but there are some vegetables that can not use plastic wrap, because those vegetables will lose some nutrients when using plastic wrap, such as our common radish, cucumber and beans, etc., these vegetables can not use plastic wrap, and some foods themselves will emit ripening gas, if we use plastic wrap for this kind of foodThe breathability of plastic wrap is not good, and these gases can not be dissipated, but will make the food cook faster, so we should use plastic wrap to see if it is suitable for vegetables that use plastic wrap.

The food we eat is to be absorbed into our body, so it is very important whether the food we eat is fresh, some foods are bought too much, if it is suitable to use plastic wrap, we must use plastic wrap to wrap it, to avoid the loss of moisture in the food, no longer fresh.

In fact, a lot of food is picked by vegetable farmers before selling to our contact with the vegetable merchants, during this period more or less delayed a lot of time, we are better not to be lazy when we buy vegetables, in order to save trouble to buy more vegetables at home, although these vegetables are not rotten, but put in the end to eat vegetables will still lose a lot of nutrients, such vegetables are not worth it for us, and cost a fresh price, back home to spend more effort to keep fresh, the key and eat not nutritious, We might as well make an extra trip to the wet market.

Wrap the vegetables in plastic wrap and keep them fresh in the refrigerator. This prevents moisture loss and preserves its freshness at low temperatures. However, it is not recommended to store the vegetables for too long, as it will affect the taste of the vegetables.

Yes, the special process and raw materials of plastic wrap have good breathability and fresh-keeping performance, slow down the evaporation rate of water in vegetables, reduce contact with cold air, and prolong the fresh-keeping time

Wrapping vegetables in plastic wrap and putting them in the refrigerator can keep them fresh to a certain extent. But after a long time, it will still break.

The oxidation period of different vegetables is different, generally vegetables with leaves, if you add plastic wrap, you can keep it for 3-4 days; If it is a root and fruit vegetable, the preservation time will be longer; Radish with plastic wrap for 2 weeks is no problem; One and a half weeks in Xihong City is also possible. Some are not necessary to put in the refrigerator, such as potatoes, etc.

Under normal circumstances, try to eat as many vegetables as possible on the day, and put them in the refrigerator only if you can't finish them. Some grocery shopping is inconvenient, buy two or three days at a time, and put it in the refrigerator to keep it fresh.

How long can vegetables be stored in the refrigerator depends on the type of vegetables, such as fresh green leafy vegetables can generally be stored for a week, and vegetables such as shallots, turnips, and potatoes can also be stored for a long time.

Food storage precautions.

Fresh vegetables, leeks, garlic, coriander, cucumbers, peppers, celery, lettuce, rape, spinach, chrysanthemum, leaf diameter vegetables are packaged with old newspapers, which can be stored for a long time, and it is no problem to pack them for a week or even two weeks.

Onions, radish, potatoes, and carrots can be left for a long time, just pay attention to the potatoes not sprouting. Solid cabbage can also be stored for a long time, and the outer skin is peeled off depending on the situation when eating.

When buying tomatoes, pick hard and green ones, and you can leave them for a week. Do not put vegetables in plastic bags in the refrigerator, they are easy to rot. Don't put garlic and green onions in the refrigerator. Mung bean sprouts and soybean sprouts are prone to spoilage and are eaten within a day or two.

Newspaper with plastic wrap, preferably with a piece of paper inside, so that it can be stored for 5-7 days at most. If you want the meat, you can keep it in the freezer for as long as you want.

1. Not all oak dishes in the refrigerator need to be wrapped in plastic wrap.

Target. If it is a fresh vegetable, it does not need to be wrapped in plastic wrap, and the vegetables can be refrigerated directly in the refrigerator.

2. If the leftovers are put in the refrigerator, it needs to be wrapped in plastic wrap, because the plastic wrap can keep the leftovers a certain amount of moisture, and if the food in the refrigerator is stored for too long, it may tremble and smell cross, but the plastic wrap prevents this from happening, and after using plastic wrap, it can prevent bacteria and other microorganisms from contaminating the food.

Do you have to seal the vegetables that you put in the refrigerator, sometimes people like to buy a lot of vegetables at one time, and you must put them in the refrigerator for preservation if you can't finish the vegetables you bought. If you buy more vegetables at once, it is best to put them directly in the refrigerator to keep them fresh. Let's see if the vegetables put in the refrigerator should be sealed.

When the vegetables are placed in the refrigerator, remove the bag, and it is best to use plastic wrap instead. This is because the special process and raw materials of plastic wrap have good air permeability and freshness, while ordinary plastic bags cannot achieve the purpose of preservation. Putting vegetables in plastic bags, the humidity around the vegetables is high, which is easy to breed germs and cause the vegetables to spoil.

If you want to use a plastic bag, the storage time should not be too long. The plasticizer is precipitated from the surface of the plastic bag, and the human body ingests it into the body by touching the ingredients in the bag, which will cause serious harm to human health.

In the absence of oxygen, fruits and vegetables consume large amounts of their nutrients and produce acetaldehyde and alcohol, which are toxic to cells. Therefore, it is necessary to pay attention to ventilation during storage to ensure oxygen**.

If the fresh sparse vegetables you buy are too dirty, clean up the insect leaves, rotten leaves, and dirty leaves, and don't soak them; If you buy a vegetable at a wet market (the vegetable vendor will pour a lot of water on the vegetable in order to weigh it and make it tempting), you can shake the water a little, but don't shake it too dry.

If you buy a dish in the supermarket, the dish itself will be very dry, so you must light it with some water, and the water should not be too much, it will be easy to rot. Storing it in the refrigerator with the roots facing down can effectively extend the storage time and retain the freshness.

Do you have to use plastic wrap when you put vegetables in the refrigerator?

It is not necessary to use plastic wrap for vegetables.

Most of the food stored in the refrigerator is best wrapped separately with plastic wrap, because the plastic wrap can keep the food hydrated, isolate the odor, keep it fresh for a longer time, and there are a lot of bacteria in the refrigerator to prevent bacteria from entering the food. Although most foods need to be stored in the refrigerator with plastic wrap, it does not mean that all foods should be covered with plastic wrap.

Hot foods, foods containing oil, especially meat, are best not packed in plastic wrap for storage, as these foods can easily contain their materials after contact with plastic wrap'The chemical components volatilize and dissolve into food, which is not good for health.

When fresh vegetables are placed in the refrigerator, it is recommended to cover them with a layer of plastic wrap for the following reasons:

1. Slow down the evaporation rate of water in vegetables, reduce contact with cold air, and prolong the preservation time;

2. Avoid cross-flavoring with other foods to maintain the fresh smell of vegetables;

3. The special process and raw materials of plastic wrap have good air permeability and fresh-keeping performance, and high-quality cling film will not have the problem of pollution of small molecule monomers.

Generally speaking, you need to pay attention when choosing plastic wrap.

1. When purchasing, you should choose the PE (polyethylene) material for the outer packaging.

The identification method is: look at the color, the whole roll is yellowed for PVC material, and white for PE material.

Second, rub by hand, PE plastic wrap is generally less viscous and easy to open after rubbing by hand, while PVC cling film is more viscous and not easy to rub by hand.

2. If it is a green leafy vegetable, you can spray water on the leaves, put it in plastic wrap, and adjust the fresh-keeping layer to 0 8 for storage, preferably not more than 3 days.

3. Tomatoes, eggplants, peppers and other vegetables with pedicles can be sprinkled with a little water, wrapped in plastic wrap, and placed directly in the refrigerator, or placed in a plastic bag in the kitchen and placed in a ventilated place.