A saponin or a sapogenin, or a saponin or sapogenin derivative, from a plant of the capsicum genus for use in the treatment of a disease other than eczema and dermatitis. A process for preparing a plant of the capsicum genus, extracts, or seeds thereof for use as a medicament suitable for the treatment of diseases other than skin conditions which process comprises storing the plant, extracts or seeds thereof at a temperature of 20° C. or below.
