The invention relates to a method for treating rapeseed or a rape product remaining after the partial or complete recovery of the oil content of rapeseed, which method comprise the step of contacting the rapeseed or the rape product or its mixture formed with one or more other feeds, with an intercalation complex of an element belonging to the main group 2 or 3 of the periodic table formed with an anion and one or more polymers. The invention also relates to a rapeseed or a rape product which can be produced by the above method, as well as to the mixture thereof with one or more other feeds, and to the use thereof.