The reference implementation standard for pyruvic acid in xanthan gum is the "Hygienic Standard for the Use of Food Additives". According to relevant public information, xanthan gum can be used in beverages with a consumption of 1.0g/kg. Bread, dairy products, meat products, jams, jelly, colorful sauces, 2.0g/kg. Noodles, pastries, biscuits, shortening, instant coffee, fish products, ice cream, popsicles, ice cream, 10.0g/kg. Xanthan gum is a thickening agent, emulsifier and shaping agent in food.