Fuente: WIPO "dairy products" There is provided a method of carbonating a liquid dairy product ot which another liquid food ingredient is added in admixture by heating the mixture to between 160.degree. F. and 200.degree. F. for 5 seconds to 30 minutes, to form a buffer of the indigenous ash of the liquid dairy product, cooling and carbonating the mixture to at least 1.5 volumes of carbon dioxide.