title: [Quantitative determination of sinomenine in qingfengteng (Sinomenium acutum and s. acutum var. cinereum) by TLC densitometry and the relation between the content and the seasons].
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000032:analysis*; D002855:Chromatography, Thin Layer; D003720:Densitometry; D008516:Medicine, Chinese Traditional; D009019:Morphinans / Q000032:analysis*; D010946:Plants, Medicinal / Q000032:analysis*; D012621:Seasons
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D009019:Morphinans; C009271:sinomenine