title: Determination of dihydroxydianthrones by densitometry after thin-layer chromatographic separation.
mesh_terms: D000873:Anthracenes / Q000032:analysis*; D002400:Cathartics / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003720:Densitometry; D008722:Methods; D012676:Senna Extract / Q000032:analysis*
chemical_list: D000873:Anthracenes; D002400:Cathartics; D012676:Senna Extract