1.Succinic acid can produce sour taste. It can be used in soy sauce, Japanese wine, seasoning, etc. Used in the food industry for flavoring agent, acid flavor, buffer, and used for ham, sausage, aquatic products, flavoring liquid etc. Succinic acid can be used as a preservative, pH control agent and cosolvent. It can also be used to synthesize diuretics, sedatives, hemostatic, synthetic antibiotics, and vitamin A and B vitamins. 2.In nutraceutical form as a food additive and dietary supplement, is safe and approved by the U.S. Food and Drug Administration. As an excipient in pharmaceutical products it is used to control acidity and, more rarely, in effervescent tablets.Succinic acid is used in the production of dyes, alkyd resins, glass fiber reinforced plastics, ionic interaction resins and pesticides in the chemical industry.In the pharmaceutical industry, it is used for synthesis of sedatives, contraceptives and cancer drugs, etc., in addition, it can also be used for analytical reagents, food iron fortifier, flavoring agent, etc.Packaging and storage.