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Article

DNA Barcoding Identification of Kadsurae Caulis and Spatholobi Caulis Based on Internal Transcribed Spacer 2 Region and Secondary Structure Prediction

Xiaoxue Yu2,3, Zhiyong Xie2,3, Junwei Wu2,3, Junfei Tao2,3, Xinjun Xu2,3★★ Corresponding author

  1. 1Lab of Pharmaceutical Analysis and Quality Assessment, School of Pharmaceutical Sciences, Sun Yat-sen University, China.
  2. 2Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou 510006, China.

CORRESPONDENCE

Xinjun Xu

Guangdong Technology Research Center for Advanced Chinese Medicine, Guangzhou 510006, China.

xxj2702@sina.com

Received: 23-07-2015; Revised: 17-09-2015.

Volume 12, Issue 46S · pp. S165–S169 · PUBLISHED 11 May 2016 · DOI: 10.4103/0973-1296.182162

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ABSTRACT

Background: Kadsurae Caulis and Spatholobi Caulis have very similar Chinese names. Their commodities were hard to distinguish because their stems were very alike after dried and processed. These two herbal drugs were often mixed in clinical use. Objective: Authenticity assurance is crucial for quality control of herbal drugs. Therefore, it is essential to establish a method for identifying the two herbs. Materials and Methods: In this paper, we used the DNA barcoding technology, based on the internal transcribed spacer 2 (ITS2) regions, to differentiate Kadsurae Caulis and Spatholobi Caulis. Results: The ITS2 of these two herbs were very different. They were successfully differentiated using the DNA barcoding technique. Conclusions: DNA barcoding was a promising and reliable tool for the identification of medicinal plants. It can be a powerful complementary method for traditional authentication.

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    Yu, X., Xie, Z., Wu, J., Tao, J., & Xu, X. (2016). DNA Barcoding Identification of Kadsurae Caulis and Spatholobi Caulis Based on Internal Transcribed Spacer 2 Region and Secondary Structure Prediction. Pharmacognosy Magazine, 12(46S), S165–S169. https://doi.org/10.4103/0973-1296.182162