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Triterpenes from Cynomorium songaricium—analysis of HCV protease inhibitory activity, quantification, and content change under the influence of heating

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Abstract

Inhibitory activity of the three major triterpenes from the stems of Cynomorium songaricum—ursolic acid, acetyl ursolic acid, and malonyl ursolic acid hemiester—and their related compounds were tested for their inhibitory activity on HCV protease; malonyl ursolic acid hemiester was the most potent. A HPLC–PAD (photo diode array detector)–MS method was established to quantify the contents of each triterpene in C. songaricum. Using this method, the effect heating had on the contents was also investigated. It was found that among the three triterpenes, the content of malonyl ursolic acid hemiester decreased most quickly during the heating process.

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Authors and Affiliations

  1. Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan

    Chao-Mei Ma, Ying Wei, Zhi-Gang Wang & Masao Hattori

Authors
  1. Chao-Mei Ma
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  2. Ying Wei
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  3. Zhi-Gang Wang
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  4. Masao Hattori
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Correspondence to Masao Hattori.

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Ma, CM., Wei, Y., Wang, ZG. et al. Triterpenes from Cynomorium songaricium—analysis of HCV protease inhibitory activity, quantification, and content change under the influence of heating. J Nat Med 63, 9–14 (2009). https://doi.org/10.1007/s11418-008-0267-7

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  • DOI: https://doi.org/10.1007/s11418-008-0267-7

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