Potassium citrate is a kind of citrate, chemical formula is C6H5K3O7, molecular weight is 306.39500, white, slightly hygroscopic crystalline powder. Odorless, with the taste of saline, soluble in water, slowly soluble in glycerin, insoluble in alcohol, salty and cool in taste. Used as stabilizer and pH buffer, etc. It can be used for all kinds of foods and used in proper amount according to production needs.