申请：
Food industry. Mainly used for food, beverage as sour agent and taste regulator.
The cosmetics industry: can nourish skin, keep wet agent, update, PH regulator, acne, to ChiGou agent.
Pesticide industry: lactic acid high biological activity of soil and crop, non-toxic, can be used in the production of new
pesticide, environmental protection.
The tobacco industry: moderate join lactic acid, can improve the quality of tobacco, and maintain the humidity of tobacco.