The use of gellan gum in combination with carboxymethyl cellulose (cellulose gum) in acidified protein beverages is doscribed. Acifidied protein beverages comprising a combination of cellulose gum and gellan gum and methods to prepare these beverages are also described.本發明係闡述結蘭膠與羧甲基纖維素(纖維素膠)之組合物在酸化蛋白質飲料中之用途。本發明亦闡述包含纖維素膠與結蘭膠之組合物的酸化蛋白質飲料及製備此等飲料之方法。