Fecha de publicación: 18/02/1998 Fuente: WIPO "organic farming" A rhubarb tea is made up of the dried rhizome of wild rhubarb through peeling, removing impurities, pulverizing, thermal reflux extraction with menstruum of water-alcohol mixture, recovering alcohol, concentration, addition of auxiliary materials, granulating and baking, and features removal of 95% purgative components, reducing blood fat, preventing and curing cancer and delaying sanility.