Why do some people say it's good vinegar?

Maggots are born in vinegar, because vinegar contains organic matter, which means that this vinegar is brewed from grains, not blended with chemicals. So this vinegar is good vinegar. But maggots must not be eaten and should be discarded.

The vinegar produced by regular enterprises has been sterilized before packaging, and generally it will not be infected in a sealed state. However, the vinegar in this seasoning bottle can also produce insects because it comes into contact with air or mixes with some eggs and foreign objects. Acetic acid is not high, and there are nutrients, which may lead to worms.

Preservation of vinegar:

You can pour vinegar into a nonmetallic container, heat it to 80 degrees, and then bottle it and seal it. For some vinegar with low acidity, it should be stored in a cool and dry place and covered tightly after use.

Then wipe off the vinegar left on the bottle mouth. Vinegar can't be stored in high temperature and humidity. If you want to store vinegar for a long time, you need to heat it. You can also choose to pour a layer of sesame oil on the surface of vinegar, or you can put some salt in it to stir, which will help to prolong the storage time of vinegar.

In summer, because of the hot weather, vinegar is more prone to deterioration. Therefore, when you are jealous in summer, you should be careful of deterioration. If it goes bad, try to avoid taking it. So you can put vinegar in the refrigerator at this time.