Purpose:To study the chemical constituents from the grape seeds extraction;To compare and optimize the extraction and purification techniques of grape seeds extraction;To determinate the quantitative of active compounds from wines;To study the activities of OPCs.
Material and method:OPCs from grape seeds extrction were isolated and identified by polyamide column chromatography and PRHPLC.Take the content of Proanthocyanidins as mark,determine and compare the content of total Proanthocyanidins ...