[Objective] The aim was to study on the extraction and purification methods for procyanidins from pine bark and its hypolipidemic effects.[Method] 70% ethanol and macroporous resin were used for the extraction and purification of procyanidins from pine bark,respectively.Animal model was established by taking mice as the research objects,in order to further study on the hypolipidemic effects of procyanidins extracts.[Result] After the purification of NKA macroporous resin,purity of procyanidins reached about...