Fecha de publicación: 10/08/2007 Fuente: WIPO "propolis" The present invention relates to compositions in the form of finely divided dried powders, characterised in that they are quaternary and comprise an active substance, propolis, a hydrophilic carrier and two co-grinding auxiliary substances, of which one is an aminoacid and one is a sweetening agent, glycyrrhizate, having said compositions a greater solubility than the corresponding ternary compositions in which the sole auxiliary substance consists of aminoacids, wherein: -the weight ratio between the active substance and the carrier is between 1: 1 and 1 :20; -the weight ratio between the active substance and the aminoacidic auxiliary substance is between 1 :0.1 and' 1 :2; -the weight ratio between the active substance and the second glycyrrhizate co-grinding auxiliary substance is of between 1 :0.5 and 1 :2.