White Vinegar is a sour taste ingredient for cooking. It has a bright color and a sour taste. The main raw materials are water, rice, edible alcohol, and edible salt. It is good to regulate and regulate the body’s metabolism. As a diet, the demand is very large.
The traditional Chinese stuffed vinegar raw materials are mainly glutinous rice and glutinous rice in the south of the Yangtze River and sorghum and millet in the north of the Yangtze River.
Nowadays, it is replaced by broken rice, corn, sweet potato, sweet potato, potato and potato. The raw materials are firstly cooked, gelatinized, liquefied and saccharified to convert the starch into sugar, and then fermented to produce ethanol by using yeast, and then acetic acid is fermented by the action of acetic acid bacteria to oxidize ethanol to form acetic acid.