Production method of proanthocyanidins from peanut

摘要

PPROBLEM TO BE SOLVED: To provide a method in which a high purity proanthocyanidin can be produced by a simple means. PSOLUTION: This method for producing proanthocyanidin is characterized by extracting it from peanut seeds as it is with water, a water-miscible organic solvent or a mixture thereof. Further this invention relates to proanthocyanidin obtained by the method, that having specified physicochemical properties, an extract from peanut seeds having specified physicochemical properties, and a medicinal composition, cosmetic or foodstuffs containing proanthocyanidin or the extract from peanut seeds. PCOPYRIGHT: (C)2004,JPO&NCIPI