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- Yuan, Danbing, et al. Show all 7 Authors
- Food chemistry 2019 v.278 pp. 609-616
- bioactive properties; catechin; countercurrent chromatography; epicatechin; grape seeds; hydrochloric acid; procyanidins; response surface methodology; temperature
- ... Polymeric procyanidins (PPCs) were the major constituents of procyanidins, while they have poor bioactivity. To better utilize PPCs, a semisynthetic approach for converting PPCs to oligomeric procyanidins (OPCs) was proposed. Grape seed PPCs were simultaneously reacted with catechin (C) and epicatechin (EC) under acid condition. Combining response surface methodology (RSM) and single-factor experi ...