The present invention provides a method and a culture medium for the production of food biomass by directly culturing seed kernel tissue, or seed cotyledonary differentiated tissue. The culture medium of the present invention contains at least DKW culture medium, Vitamin MS culture medium with an enriched concentration of thiamine, sacarose, kinetine, adenine, 2,4diclorofenoxiacetico (2,4D), L-Glutamine, cysteine, ascorbic acid, and Gelrite.RTM..