Fecha de publicación: 02/07/2020 Fuente: WIPO "royal jelly" This invention discloses purified proteins from Apis mellifera royal jelly (RJ) named major RJ protein 2 and its isoform X1 have proven potent efficacy against HCV and HBV and their complications in the liver “fibrosis and cancer”. Methods for the effective RJ proteins purification, identification, safety and examination against HCV, HBV, fibrosis, and HepG-2 cell line are disclosed. The comparisons with the current most potent anti-HCV drug “Sovaldi” are also disclosed.