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- Sun, Baoshan, et al. Show all 7 Authors
- Journal of chromatography 2016 v.1036-1037 pp. 10-19
- antioxidant activity; cocoa beans; countercurrent chromatography; high performance liquid chromatography; nuclear magnetic resonance spectroscopy; polymerization; procyanidins; solvents
- ... In this work, an efficient method for preparative separation of procyanidins from raw cacao bean extract by high-speed counter-current chromatography (HSCCC) was developed. Under the optimized solvent system of n-hexane-ethyl acetate-water (1:50:50, v/v/v) with a combination of head–tail and tail–head elution modes, various procyanidins fractions with different polymerization degrees were successf ...