The properties and the chemical structures of procyanidins, the pharmacology and the extracting methods of procyanidins from the grape seeds are mainly introduced in this thesis. The purpose was to develop an efficient process for isolation and purification of natural products, the extraction and refinement of procyanidins were studied from grape seeds. The primary results are enumerated as follows:
1. On the basis of previous research results obtained by other members, the method of analyzing p...