9% white vinegar is a condiment made from rice, wheat and corn through fermentation and distillation. 9 degree rice vinegar is a kind of functional vinegar, just like saccharin in sugar. Ordinary rice vinegar is only 1 degree, while the degree of acetic acid of rice at 9 degrees is 9%, which is very high and is a kind of high vinegar. The main components are acetic acid and water, among which acetic acid has antibacterial, deodorizing and appetite stimulating effects. At the same time, 9-degree white vinegar also contains trace amino acids, vitamins and minerals, which has certain nutritional value to human body. 9% white vinegar is a multifunctional food and detergent, which can not only increase appetite and improve the taste of dishes, but also be used to clean homes and remove scale and oil stains. However, although 9-degree white vinegar has many functions, it should be used in moderation to avoid adverse reactions caused by excessive use.