Hot vegetables do not cover the plastic wrap

Just cook out of the hot vegetables do not cover the plastic wrap, otherwise not only can not keep the vegetables in the vitamin C, on the contrary, it will increase its loss.

Cling film is not a universal film

The use of cling film should be different according to the "dish". When the food covered with plastic wrap to extend the time to 24 hours, the results are different from 6 hours, it can not be generalized on the role of vitamin C protection. For example, 100 grams of leeks covered with plastic wrap, its vitamin C content than not covered to 1.33 mg, which is similar to the results of 6 hours. But some vegetables such as 100 grams of beans covered film storage 24 hours, vitamin C instead of reducing 1.5 mg. So the plastic wrap is not a universal film, according to the characteristics of the wrapped food reasonable use.

Microwave food to avoid contact with the film

In the microwave oven when using plastic wrap should try to avoid food and film contact, especially oily food. When heating food to cover the utensils of the plastic wrap should be tied on a few small holes to avoid bursting. You should also pay attention to the temperature that the wrap can withstand when heated, and follow the temperature labeled on the package or choose a wrap that is more heat-resistant. Even polyethylene (PE) cling film, although labeled "microwave heating can be used" or "can be used at high temperatures" and other words, but also to be used with caution, because so far, there is no authoritative test data show that the use of polyethylene cling film under these conditions is safe.

Meat is best not to use plastic wrap

For buns, snacks such as food, with plastic wrap is obviously very inconvenient, compared to the plastic bag is thicker, relatively suitable for some, but the plastic bag is not very good permeability, try not to seal the mouth too dead when using. Cooked food, hot food, food containing fat, especially meat, it is best not to use plastic wrap packaging storage. You can choose the safe material of the preservation bag, preservation box, etc., the role of the preservation box is mainly sealing, can effectively isolate the raw and cooked food storage, so that the refrigerator space utilization rate increased.

(The above answer was posted on 2015-11-04, the current relevant housing policy, please prevail over the actual)

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