Fecha de publicación: 05/12/2007 Fuente: WIPO "propolis" The present invention provides preparation process of water soluble propolis extract liquid, and the preparation process uses no chemical emulsifier, cosolvent and surfactant and has no change of pH value of propolis. The preparation process includes extracting propolis with mixture of pure water and edible alcohol, solid-liquid separating, filtering to obtain filtrate, and regulating the effective component content. The water soluble propolis extract liquid has high water solubility, golden color, scent from propolis, good taste, high nutritious component content, low heavy metal content, no toxic side effect and obvious health care function.