The present invention relates to a method for deacidifying, neutralizing or alkalinizing a starting liquid or fluid acid dairy composition, comprising: a) providing a liquid or fluid acid dairy composition comprising lactic acid； b) inoculating the composition with at least one yeast； c) incubating the inoculated composition； d) recovering a deacidified, neutralized or alkalinized liquid or fluid acid dairy composition with a reduced concentration of lactic acid.
