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dc.contributor.authorSeo, Chang-Seob-
dc.contributor.authorKim, Jung Hoon-
dc.contributor.authorShin, Hyeun-Kyoo-
dc.date.accessioned2023-01-20T07:23:03Z-
dc.date.available2023-01-20T07:23:03Z-
dc.date.issued2014-07-11-
dc.identifier.citationSeo, C. S., Kim, J. H., & Shin, H. K. (2014). Simultaneous determination of liquiritin, nodakenin and glycyrrhizinin Guibi-tang, a traditional herbal prescription by HPLC-PDA. Pakistan Journal of Pharmaceutical Sciences, 27(4).en_US
dc.identifier.issn1011-601X-
dc.identifier.urihttp://142.54.178.187:9060/xmlui/handle/123456789/16373-
dc.description.abstractA simple, convenient, rapid and accurate high-performance liquid chromatographic (HPLC) method was established for the simultaneous determination about three ingredients of a traditional herbal prescription, Guibi-tang (GBT): liquiritin (1), nodakenin (2) and glycyrrhizin (3). Chromatographic analysis on the three components was separated within 35 min on a Gemini C18 column and maintained at 40°C. The mobile phase consisted of water with 1.0% (v/v) acetic acid (solvent A) and acetonitrile with 1.0% (v/v) acetic acid (solvent B) in gradient mode at a flow-rate of 1.0 mL/min. Chromatograms were acquired at 254, 280 and 330 nm in a photodiode array (PDA) detector. The calibration curves showed excellent linearity (R2 =1.0000). The average recovery of three compounds was ≥93.5%, with a relative standard deviation (RSD) of ≤2.0%. The intra-day and inter-day precision (RSD) of the three components were 0.04%-3.04% and 0.11%–2.48%, respectively. The contents of compounds 1–3 in GBT were 1.09-1.10, 2.35-2.37 and 0.81-0.82 mg/g, respectively.en_US
dc.language.isoenen_US
dc.publisherKarachi: Faculty of Pharmacy, University of Karachien_US
dc.subjectSimultaneous determinationen_US
dc.subjectGuibi-tang; herbal prescriptionen_US
dc.subjectHPLC–PDAen_US
dc.subjectvalidationen_US
dc.titleSimultaneous determination of liquiritin, nodakenin and glycyrrhizinin Guibi-tang, a traditional herbal prescription by HPLC-PDAen_US
dc.typeArticleen_US
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