Fecha de publicación: 22/02/1990 Fuente: WIPO "apiculture" Process for the production of antioxidant, biologically active extracts and oily, greasy compositions rich in vitamins and their use as active ingredients of industrial, therapeutic and cosmetic preparations and as active ingredients added to nutrients and to fodder, by extracting and/or heat treating together or separately one or more substances which are part of plant and/or animal origin and/or fat or oil containing ballast material, fat and protein containing animal or plant material with at least 5 % of unsaturated fatty acids and vitamins A, D, E and K, the extraction and/or heat treatment is carried out, optionally in a CO2, nitrogen oxide or ethane atmosphere, in carbonic acid, acetic acid, formic acid or formic acid-hydrogen peroxide vapour space cold and/or warm, for one minute to several days, at a temperature of -70°C to +300°C, with one or more organic solvents and/or water, glycerine, 1,2-propylene glycol and/or with the mixture of these and/or with or without the aqueous solution of salts, acids and bases, optionally in the presence of aromae, flavouring, colouring and sweetening substances, enzymes and/or preservatives, until the oily material precipitates, then optionally the oil or greasy material is separated from the solid phase or aqueous or organic solvent containing phase, it is cleaned and dehydrated and optionally the oily, greasy compositions or extract or fat obtained are adsorbed together or separately onto carbohydrate material or onto salts or alkaline-earth metals and are dried.