Abstract: The present invention refers to a cyclic process for the production of vanillin, including (a) adding a solution of ferulic acid or a salt thereof, to a solid structure containing immobilized microorganisms of the Actinomycetales group, (b) incubating the solid structure to carry out the biotransformation process, (c) recovering the solution obtained in step (b), and (d) repeating steps (a) to (c) by feeding a fresh solution of ferulic acid or a salt thereof.

Abstract: Nutritional supplement, feed formulation and methods to improve the efficiency of meat production of a bovine animal, using ethyl ferulate as a nutritional supplement; where the administration of ethyl ferulate at bovine animal, is premixed with an excipient food grade, feed formulation, balanced food, concentrated food, and the like. The ethyl ferulate administration is daily during the final stage of fattening bovine animal, wherein the final stage of fattening is 20 to 40 last days.

Abstract: Methods to purify ferulic acid and/or salts thereof, both in solid state as in solution, the methods include: dissolve the ferulic acid, with a selective organic solvent, recover and isolate the solution from the insoluble impurities with filters; recover the organic solvent evaporating the solution; mix the concentrated extract of ferulic acid with water to pre-crystallize the hydrosoluble impurities; evaporate the mixture to remove the remains of the organic solvent; concentrate the mixture free of solvent in an evaporator; cool the mixture down to 40° C.; let the concentrated mixture set for 1 h, to then isolate by sedimentation the water-insoluble impurities; re-heat the mixture free of impurities to 70° C.; purify the mixture through a synthetic resin, transfer the purified mixture to a crystallizing container to crystallize the ferulic acid; remove the mother liquor of crystallization of the precipitate of ferulic acid; dry the ferulic acid.

Abstract: Nutritional supplement, feed formulation and methods to improve the efficiency of meat production of a bovine animal, using ethyl ferulate as a nutritional supplement; where the administration of ethyl ferulate at bovine animal, is premixed with an excipient food grade, feed formulation, balanced food, concentrated food, and the like. The ethyl ferulate administration is daily during the final stage of fattening bovine animal, wherein the final stage of fattening is 20 to 40 last days.