title: [Content determination of total coumarin of qian-hu].
abstract: The total content of coumarin in Qian-Hu was determined by UV spectrometry. The 25 samples which derived from different places of production were included eleven varieties. The results were found to have max = 322 nm, 99.18% of recovery rate and 2.08% of RSD.
authors.affiliation: Guangxi Institute of Traditional Medical and Pharmaceutical Sciences, Nanning 530022.
authors.forename: W
authors.initials: W
authors.lastname: Peng
authors.forename: B
authors.initials: B
authors.lastname: Liu
authors.forename: P
authors.initials: P
authors.lastname: Huang
authors.forename: Q
authors.initials: Q
authors.lastname: Zhang
authors.forename: X
authors.initials: X
authors.lastname: Zheng
authors.forename: M
authors.initials: M
authors.lastname: Lai
mesh_terms: D003374:Coumarins / Q000032:analysis* / Q000145:classification; D031611:Peumus / Q000737:chemistry* / Q000145:classification; D018517:Plant Roots / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry* / Q000145:classification; D013056:Spectrophotometry, Ultraviolet; D013057:Spectrum Analysis
chemical_list: D003374:Coumarins