Fecha de publicación: 13/06/1984 Fuente: WIPO "propolis" A new and useful method for extracting propolis from substantially clean raw material to obtain a dry propolis powder. Depending upon the method used, either a water-soluble propolis powder or an organosoluble propolis powder may be obtained. A unique method for purifying the propolis extract is also disclosed. Both the methods for extracting propolis-containing raw material and the water soluble dry propolis powder are claimed. The propolis powder exhibits inter alia bactericidal, viricidal, analgesic, anaesthetic and regenerative properties, and cosmetic, pharmaceutical and medicinal preparations incorporating the powder in a suitable carrier are disclosed.