Korean Journal of Pharmacognosy (생약학회지)

The Korean Society of Pharmacognosy (한국생약학회)
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Simultaneous Determination of Four Bioactive Constituents in Galgeun Tang by HPLC/DAD.

HPLC-DAD를 이용한 갈근탕 중 4종 성분의 동시분석법 확립

  • Won, Jin-Bae (Department of Biomaterials Engineering, School of Bioscience and Biotechnology, Kangwon National University) ;
  • Jeon, Won-Kyung (TKM Converging Research Division, Korea Institute of Oriental Medicine) ;
  • Ma, Jin-Yeul (TKM Converging Research Division, Korea Institute of Oriental Medicine) ;
  • Ma, Choong-Je (Department of Biomaterials Engineering, School of Bioscience and Biotechnology, Kangwon National University)
  • Published : 2009.09.30
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Abstract

For the quality control of traditional herbal medicine, Galgeun tang, simultaneous determination of glycyrrhizin, paeoniflorin, puerarin, 6-gingerol was established by using a high performance liquid chromatographic (HPLC) method with diode array detector. To separate five four constituents, DIONEX $C_{18}$ column ($5{\mu}m$, $120{\AA}$, $4.6\;mm{\times}150\;mm$) was used with gradient elution system of water and methanol. Validation of the chromatography method was evaluated by linearity, recovery, and precision test. Calibration curve of standard components showed excellent linearity ($R^2$>0.9906). Limits of detection (LOD) and limits of quantification (LOQ) varied from 0.15 to $0.52{\mu}g$/ml and 0.27 to $0.80{\mu}mg$/ml, respectively. The relative standard deviations (RSDs) of data of the intra-day and inter-day experiments were less than 2.88% and 1.21%, respectively. The results of recovery test were ranged from 96.71 to 106.29% with RSD values 0.01-0.80%.

Keywords

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