Fecha de publicación: 23/05/2013 Fuente: WIPO "propolis" A medical product containing either an active ingredient of propolis which is a natural antibiotic or a grapefruit seed extract, and a manufacturing method thereof are provided. The medical product is impregnated with a solution of CAPE (caffeic acid phenethyl ester) or pinocembrin, which is an active ingredient of propolis having antibacterial effects, to increase the antibacterial activity of the medical product due to antibacterial compounds contained in the active component, or the medical product is impregnated with a solution of a grapefruit seed extract such that the extract can exhibit antibacterial activity in the medical product.