title: [TLC-densitometry determination of bitter glycosides in the Chinese drug longdan, radix gentianae, and its quality evaluation].
mesh_terms: D002855:Chromatography, Thin Layer; D003720:Densitometry; D005960:Glucosides / Q000032:analysis*; D006027:Glycosides / Q000032:analysis*; D057888:Iridoid Glucosides; D039823:Iridoids; D008516:Medicine, Chinese Traditional; D008518:Medicine, East Asian Traditional; D010946:Plants, Medicinal / Q000032:analysis*; D011714:Pyrans / Q000032:analysis*; D011753:Pyrones / Q000032:analysis*; D013045:Species Specificity
chemical_list: D005960:Glucosides; D006027:Glycosides; D057888:Iridoid Glucosides; D039823:Iridoids; D011714:Pyrans; D011753:Pyrones; C012997:gentiopicroside; C013270:swertiamarin; C049412:sweroside