Process for the preparation of polyamine composition from the plant

A polyamine or a polyamine composition is being used in health, cosmetics, food, and pharmaceutical applications. However, a sufficient method for preparing polyamines or polyamine compositions has not been established. An object of the present invention is to provide a method for preparing a polyamine or a polyamine composition in a high yield from a plant material with high safety. The present invention provides a method for preparing a polyamine composition comprising the steps of (1) treating a plant and / or a plant extract under acidic conditions, and (2) separating a liquid fraction. . [Selection figure] None