A method for producing a special extract from symphytum comprises at least one in particular all of the following steps: preparing a suspension system from symphytum differential precipitation of mucopolysaccharides in the suspension system wherein the differential precipitation comprises the following steps: first differential mucous precipitation of high molecular weight mucopolysaccharides as a first deposit in the suspension system separating of the first deposit and an extraction residue as raffinate and obtaining of a first extract phase second differential mucous precipitation of low molecular weight mucopolysaccharides as a second deposit from the first extract phase separating of the second deposit and obtaining of a second extract phase selective removal of pyrrolizidine alkaloids from the second deposit and/or the second extract phase and combining of the second deposit in particular the second deposit cleansed of pyrrolizidine alkaloids and the second extract phase in particular the second extract phase cleansed of pyrrolizidine alkaloids to form the special extract.
