Effective Extraction of Oligomeric Proanthocyanidin (OPC) from Wild Grape Seeds
Huh, Y.S.;Hong, W.H.(Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea)E-mail:whhong@kaist.ac.kr | Hong, T.H.(Daejeon Health Science College, Daejeon, Republic of Korea)
The Oligomeric proanthocyanidin (OPC) in green and black tea, grape seeds, grapes and wine has raised much attention but that OPC in wild grape seed remains to be intensively investigated. This study investigated the total OPC contents and total antioxidant activity of wild grape seeds and developed an efficient extraction process with various temperatures, solvent compositions and times. Also, a chromatography column packed with the Dia-ion HP-20 resin was used for further purification of the OPC.
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