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Research Article

Role of chlorogenic acid in the toxicity induced by Chinese herbal injections

, , , , , , , & show all
Pages 415-420 | Received 30 Nov 2009, Accepted 16 Dec 2009, Published online: 16 Jun 2010
 

Abstract

Adverse reactions induced by Chinese herbal injections have been frequently reported. However, the precise causes of these adverse reactions are not yet fully understood. The aim of the present study was to determine the role of chlorogenic acid (a ubiquitous component of Chinese herbs) in the toxicity of Chinese herbal injections. Beagle dogs were given chlorogenic acid, Yuxingcao injection, or Qingkailing injection (the latter two both containing chlorogenic acid) by intravenous (i.v.) injection, once a day for 7 or 9 days. The systemic toxicity was evaluated. An additional ultrastructural observation on liver and kidney was performed. Anaphylactoid reactions were obvious in dogs treated with Yuxingcao injection. Varying degrees of ultrastructural changes in liver and kidney were observed in the treated dogs, especially in dogs treated with Chinese herbal injections. Our study has led to the view that chlorogenic acid is not an allergen when administrated by i.v. injection, but liver and kidney injury induced by Chinese herbal injections can be partly attributed to chlorogenic acid.

Acknowledgements

The authors would like to thank Dr. Xian-Jun Qu for his valuable assistance in the preparation of the manuscript for this article.

Declaration of interest

This project was supported by the Natural Science Foundation of Shandong Province (No. ZR2009C2005). The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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