Fecha de publicación: 05/02/1992 Fuente: WIPO "royal jelly" This invention relates to a medical healthy food, zinc-containing royal jelly (honey), made up by the transform of activating enzyme. Its main components are royal jelly (79.54% counted according to dried matter), fresh royal jelly (0.05% counted according to 10-HDA), zinc gluconate (0.21%) and water (15-16%). Its main productive steps include filter, low-temp. concentration, second filter, test of water content, proportioning, vacuum equalization, test and package.