The present invention relates to a composition containing as its main component proanthocyanidin oligomer to which a substance having a phloroglucinol ring structure or resorcinol ring structure has been bonded, and reduced in the molecular weight, which is obtained by heating plant materials containing proanthocyanidin polymer or extract thereof with a substance having a phloroglucinol ring structure or resorcinol ring structure in an acidic aqueous solution, production method thereof, and uses of the composition in health products and pharmaceutical products. According to the invention, proanthocyanidin oligomer having physiological activity, to which a substance having a phloroglucinol ring structure or resorcinol ring structure has been bonded and reduced in the molecular weight to such a level that the oligomer can be absorbed into living body, which has been conventionally difficult to obtain at high yield from plant raw materials, can be produced efficiently and easily.
本发明涉及一种组合物,其主要成分为与具有
邻苯二酚环结构或
间苯二酚环结构的物质键合并分子量降低的
原花青素寡聚体,该组合物通过在酸性
水溶液中将含有
原花青素聚合物或其
提取物的植物材料与具有
邻苯二酚环结构或
间苯二酚环结构的物质加热而得到,以及该组合物在健康产品和药品中的用途和其制备方法。根据本发明,具有生理活性的
原花青素寡聚体,其分子量已经被降低到能够被
生物体吸收的
水平,并且与具有
邻苯二酚环结构或
间苯二酚环结构的物质键合,这在以往从植物原材料中高产得到是困难的,现在可以高效、容易地生产。