1. production principle: when oxygen and glycogen are sufficient, acetic acid bacteria will decompose the sugar in grape juice into acetic acid; when glycogen is lacking, acetic acid bacteria will turn ethanol into acetaldehyde, and then acetaldehyde into acetic acid.

2. Fruit vinegar is a kind of sour condiment with rich nutrition and excellent flavor, which is made from fruits, including pears, hawthorn, mulberries, grapes, persimmons, apricots, oranges, kiwis, apples and watermelons, or fruit processing leftovers.

3. It has both the nutrition and health care functions of fruit and vinegar, and is a new type of drink with the functions of nutrition, health care and dietotherapy.

4. production method: apple vinegar ingredients: 3g of glutinous rice vinegar and 6g of honey.

5. Step: Wash and peel the apple, cut it into pieces and put it into a jar.

6. Add vinegar and honey, shake well, seal and store in a cool place.

7. it can be opened in a week, and the juice can be taken and added three times and boiled.

8. grape vinegar Ingredients: appropriate amount of balsamic vinegar, large bunch of grapes and appropriate amount of honey.

9. Wash and peel the grapes, remove the seeds and put them into a juicer for juicing.

1. Pour the filtered juice into a cup, add balsamic vinegar, and mix with honey before drinking.