Identification of polymeric 5,7,3',4'-tetrahydroxyflavan-3,4-diol from tannin extract of powdered cassia bark, Saigon, cinnamon USP, Cinnamomum loureirii Nees, family Lauraceae.
D002854:Chromatography, Paper; D003212:Condiments; D007259:Infrared Rays; D008722:Methods; D010944:Plants / Q000032:analysis; D013053:Spectrophotometry; D013634:Tannins / Q000302:isolation & purification*
D013634:Tannins