Wei Fu
Abstract
Extraction of oligoproanthocyanidins from grape seeds is studied.A mixed solvent system of ethy1 acetate/water is developed,and the raw material selection is also discussed.By the present method,high yields(0 4%~0 6%)can be obtained,and the mass fractions of the extracts are more than 98%.
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Extraction of oligoproanthocyanidins from grape seeds is studied.A mixed solvent system of ethy1 acetate/water is developed,and the raw material selection is also discussed.By the present method,high yields(0 4%~0 6%)can be obtained,and the mass fractions of the extracts are more than 98%.
Key concepts: Extraction (chemistry), Raw material, Chromatography, Grape seed, Solvent extraction, Selection (genetic algorithm), Chemistry, Solvent