[Determination of indigo and indirubin in qingdai (Isatis indigotica Fort.) by dual wavelength spectrophotometry].
D007203:Indigo Carmine; D007211:Indoles / Q000032:analysis*; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010946:Plants, Medicinal / Q000032:analysis*; D013053:Spectrophotometry / Q000379:methods
D007211:Indoles; D007203:Indigo Carmine; C027185:indirubin