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Chromatographia

, Volume 64, Issue 3–4, pp 163–168 | Cite as

Quantitative Determination of Three Protoberberine Alkaloids in Jin-Guo-Lan by HPLC-DAD

  • Peiying Shi
  • Yufeng Zhang
  • Qirong Shi
  • Weidong Zhang
  • Yiyu Cheng
Original

Abstract

An accurate and simple HPLC method for the simultaneous determination of three protoberberine alkaloids (columbamine, jatrorrhizine, and palmatine) contained in Chinese medicine Jin-Guo-Lan (Tinospora sagittata Oliv. and Tinospora capillipes Gagnep) is presented in this study. The herb samples from six main origins and three herb markets were investigated. The separation was performed on a YMC-C18 ODS column at 30°C with a gradient elution program. Acetonitrile and phosphate buffer (0.02 mol L−1 sodium dihydrogen phosphate and 0.01 mol L−1 triethylamine, pH 3) were used as mobile phases and the flow rate was set at 1 mL min−1. The recovery of the method was in the range of 99.43–100.96%, and all the alkaloids showed good linearity (r 2 > 0.9997) in the relatively wide concentration ranges. The developed method was applied to the determination of these alkaloids in the collected herb samples, and the results showed that the contents of these components in Jin-Guo-Lan varied greatly from habitat to habitat. It was demonstrated that the proposed method was helpful for the quality evaluation of Chinese medicine Jin-Guo-Lan.

Keywords

Column liquid chromatography Protoberberine alkaloids Jin-Guo-Lan 

Notes

Acknowledgments

This work was supported by the National Basic Research Program (973) of Ministry of Science and Technology of the People’s Republic of China (No. 2005CB523402) and Shanghai Science and Technology Grant (Grant number: 04DZ19842, 03QMH1414, 03DZ19503, 04DZ19815, 04DZ19843, 04DZ19856, 04DZ19857 and 05DZ19733).

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Copyright information

© Friedr. Vieweg & Sohn Verlag/GWV Fachverlage GmbH 2006

Authors and Affiliations

  • Peiying Shi
    • 1
  • Yufeng Zhang
    • 1
  • Qirong Shi
    • 2
  • Weidong Zhang
    • 2
  • Yiyu Cheng
    • 1
  1. 1.Pharmaceutical Informatics InstituteZhejiang UniversityHangzhouPeople’s Republic of China
  2. 2.School of PharmacySecond Military Medical UniversityShanghaiPeople’s Republic of China

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