A lot of fruits and vegetables will become unsweet when they are placed outside, and they will not have the original taste when they are eaten. Many people use plastic wrap to pack them layer by layer, and when they are used, they are uncovered one by one. Some people think that it is too cumbersome and wasteful, so there is a pumping box. Just put things in, and then take out the gas to keep it fresh. Is the fresh-keeping box on the market easy to use ? Next, I will introduce you to the introduction and see it carefully.
Is it useful to use a fresh-keeping box on the market:
The vacuum storage box on the market generally uses manual pumping method, it is difficult to reach all vacuum, generally a small part of the gas in the box is removed, and the air pressure difference between the inside of the box and the outside of the box is formed, so it cannot be opened;
The mode of electric vacuum pumping will be a little larger than the ratio of extracted gas, but it is generally 5-8%. Of course, if the material of the box is good, it can reach 5-12%. The pumping motor is very good and the material is very Good, the seal is particularly good;
Vacuum (low vacuum) is the best method for fresh-keeping at present, but the fresh-keeping box on the market generally has a fresh-keeping effect, and the fresh-keeping time is about twice as much as usual.
Pumping crisper easy to use it on the market we understand it, according to market research, most believe suction on the market crisper with up pretty good, but there are different preservation time, we can according to the time plan to preserve food select.
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