Why does vinegar keep food fresh and why should vinegar be kept in a dry place?

Vinegar is acidic and antioxidant. So it has a preserving effect on food.

Vinegar has a bactericidal effect, so it will play a role in preserving freshness.

Because vinegar can effectively prevent oxidation.

Vinegar can effectively prevent oxidation.

Vinegar contains acetic acid, which is an organic substance, and it is corrosive and volatile. If vinegar is placed in a humid environment, it will absorb moisture from the environment, causing the concentration of vinegar to decrease, lose its original sourness and nutrients, and even cause bacteria to multiply and deteriorate.

Therefore, in order to maintain the quality and nutrient content of vinegar, it is recommended to keep vinegar in a dry place and avoid moisture. During the storage of table vinegar, the mouth of the vinegar bottle can be wiped clean and the cap can be kept sealed to reduce air and moisture contact. At the same time, you should also avoid placing the vinegar bottle in direct sunlight and high temperatures, which may promote the volatilization and oxidation of vinegar and affect the quality of vinegar.

In short, in order to maintain the quality and nutrients of vinegar, it should be stored in a suitable temperature, dry, cool and ventilated environment, and avoid the influence of moisture, heat, light and oxidation.

What does vinegar spoil.

The nutritional value of vinegar is very rich, so if the temperature is suitable, then there will be microbial growth in vinegar, although vinegar has undergone very strict high-temperature disinfection and sterilization work, but in the process of transportation, sales, use and storage, it is inevitable that there will be the possibility of contamination, easy to cause mold, deterioration, at this time the vinegar can not be eaten.

How to store vinegar.

1. Sealed and stored.

If the vinegar needs to be preserved, you can pour the remaining vinegar into a non-metallic container, heat it to 80 degrees, and then fill the bottle and seal it after cooling; If it is some vinegar with low acidity, it must be stored in a cool, dry place; After the opened vinegar is used up, cover it tightly, pay attention to wipe the remaining vinegar at the mouth of the bottle, and note that the vinegar cannot be stored in a place with high temperature and high humidity.

2. Heat and preserve.

If you want to store vinegar for a long time, you need to heat it, or choose to pour a layer of sesame oil on the surface of the vinegar, or you can put some salt in it to mix, which can help to prolong the storage time of vinegar.

3. Refrigerate.

In summer, because the weather is hot, vinegar is more likely to deteriorate, so when you eat vinegar in summer, you must be careful about spoilage, and if there is spoilage, you should try to avoid taking it. So at this time, you can put the vinegar in the refrigerator and refrigerate.

How to choose vinegar.

1. Smell the smell.

First of all, vinegar is white vinegar and aged vinegar, when choosing vinegar, generally speaking, the best vinegar is more distinct in color, smell the taste, excellent vinegar taste pure, and there is no white mold, and there is no sediment.

2. Measure acidity.

When choosing vinegar, you also need to pay attention to the acidity of vinegar, because the acidity of vinegar is usually the higher the better, so when choosing vinegar, the older the vinegar, the better the quality, and because vinegar has two kinds of bottled and bagged, for bottled vinegar, the shelf life is usually longer, and the shelf life of bagged vinegar is shorter.

What are the benefits of eating vinegar.

1. Vinegar can regulate the acid-base balance of the blood and maintain the relative stability of the human internal environment.

2. Vinegar can not only help digestion, but also has a strong bactericidal ability, which can kill staphylococcus, Escherichia coli, halophilic bacteria, etc. in the intestines.

3. Regular consumption of vinegar can anti-aging, enhance liver function and promote metabolism.

4. Vinegar can also dilate blood vessels, which is conducive to lowering blood pressure and preventing the occurrence of cardiovascular diseases.

5. Vinegar can enhance kidney function, have a diuretic effect, and believe that you can reduce urine sugar content. Vinegar can play a good role in protecting hair and hair, and has the effects of hair growth, beauty, blood pressure, and hair growth.

6. Vinegar can also convert excess fat in the body into physical energy consumption, and promote the metabolism of sugar and protein, thereby preventing and treating obesity.

Store in a cool place at room temperature.

Ways to preserve vinegar:

1. The bottle of bulk vinegar must be clean and water-free.

2. Add a few drops of liquor and a small amount of salt to the bottle of vinegar, mix well, and place it well, which can make the vinegar fragrant, not easy to grow white, and can be stored for a long time.

3. A little sesame oil can be added to the bottle containing vinegar to cover the surface with a thin oil film to prevent the vinegar from mildew and deterioration.

4. Put a section of green onion white in the vinegar bottle.

A few garlic cloves can also play a role in preventing mildew.

5. Vinegar should not be stored in copper utensils, because copper will have a chemical reaction with acetic acid.

Copper acetate is produced.

and other substances, eating them is not good for health.

6. In order to prevent it from deteriorating, the vinegar soaking liquid can be put into the refrigerator for refrigeration.

7. If you don't need to drink vinegar for a long time, you can pour the remaining vinegar into an enamel pot or non-metallic container, heat it to 80 degrees Celsius and cool the filling bottle and seal it. For some vinegars with low acidity (less than 4%), store them in a cool and dry place, cover them tightly after use, wipe the residual vinegar at the bottle mouth, and not put them in a high temperature and humidity place.

1. Sealed preservation: If the vinegar needs to be preserved, the remaining vinegar can be poured into a non-metallic container, heated to 80 degrees, and bottled and sealed after cooling; If it is some vinegar with low acidity, it must be stored in a cool, dry place; After the opened vinegar is covered tightly with a ruler, pay attention to wipe the remaining vinegar at the mouth of the bottle, and note that the vinegar cannot be stored in a place with high temperature and high humidity.

2. Heating and preservation: If you want to store vinegar for a long time, you need to heat it briefly, or choose to pour a layer of sesame oil on the surface of the vinegar, or you can put some salt in it and mix it, which can help prolong the storage time of vinegar.

3. Refrigerator refrigeration: Because the weather is hot in summer, vinegar is more likely to deteriorate, so when you eat vinegar in summer, you must be careful about deterioration, and if there is deterioration, you should try to avoid taking it. So at this time, you can put the vinegar in the refrigerator and refrigerate.

1. Sealed preservation: If the vinegar needs to be preserved, the remaining vinegar can be poured into a non-metallic container, heated to 80 degrees, and bottled and sealed after cooling; If it is some vinegar with low acidity, it must be stored in a cool, dry place; After the opened vinegar is used up, the lid should be tightened, and the remaining vinegar at the bottle mouth should be wiped clean.

2. Heating and preservation: If you want to store vinegar for a long time, you need to heat it, or choose to pour a layer of sesame oil on the surface of the vinegar, or you can put some salt in it to mix, so that it can be used to help prolong the storage time of vinegar.

3. Refrigeration: In summer, because the weather is hot, vinegar is more likely to deteriorate, so when you are jealous in summer, you must be careful about deterioration, and if there is deterioration, you should try to avoid taking it. So at this time, you can put the vinegar in the refrigerator and refrigerate.