Abstract: A process for the production of an edible food supplement preservative from a rootcrop by processing such rootcrop into dry powder, the process steps including, placing the rootcrop in a closable vessel, subjecting the rootcrop to chopping or cutting while the vessel is evacuated, effecting a primary drying followed by the injection of an inert gas thereinto, crushing the rootcrop, spraying a synergist onto the crushed mass, spraying a drying distillation liquid thereonto, effecting a secondary drying of the resulting mass and mixing the dried mass to a dispersed state.

Abstract: A process for dry pulverization of food raw materials, charactrized by the process steps, which comprisesplacing the food raw material in a closed vessel,evacuating the vessel to a vacuum andeffecting therein the processing operations, which comprises cutting the raw material, drying the so-disintegrated material and crushing the dried and disintegrated mass into powder, successively.