What are the main production processes of vinegar?

(1) Raw material processing. Raw materials should have screening, crushing and cooking equipment. The main purpose is to crush the raw materials to the required particle size and cook them to facilitate koji-making and fermentation.

(2) Alcohol fermentation and acetic acid fermentation. There must be fermentation equipment. It is mainly a process of converting starch in raw materials into alcohol through alcohol fermentation, and then converting alcohol into vinegar through acetic acid fermentation.

(3) Leaching vinegar aging process. This is the process of extracting vinegar from vinegar fermented grains. Aged vinegar can make vinegar taste better.

(4) preparation, sterilization and filling. There should be disinfection and filling equipment. This is a process of controlling the quality of vinegar and making it a finished product.

Edible glacial acetic acid is added in the preparation process of vinegar.