title: Tannins and related compounds. XLVIII. Rhubarb. (7). Isolation and characterization of new dimeric and trimeric procyanidins.
mesh_terms: D044946:Biflavonoids; D002392:Catechin / Q000031:analogs & derivatives* / Q000032:analysis / Q000302:isolation & purification; D008516:Medicine, Chinese Traditional; D010946:Plants, Medicinal / Q000032:analysis*; D044945:Proanthocyanidins; D013634:Tannins / Q000032:analysis*
chemical_list: D044946:Biflavonoids; D044945:Proanthocyanidins; D013634:Tannins; C017674:procyanidin; D002392:Catechin