The chemotaxonomic classification of Rhodiola plants and its correlation with morphological characteristics and genetic taxonomy

Chemistry Central Journal

Zhenli Liu²  Yuanyan Liu¹  Chunsheng Liu¹  Zhiqian Song²  Qing Li²  Qinglin Zha⁴  Cheng Lu⁴  Chun Wang²  Zhangchi Ning¹  Yuxin Zhang¹  Cheng Tian¹  Aiping Lu³ 

[1] School of Chinese Materia Medica, Beijing Municipal Key Laboratory for Basic Research of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China

[2] Institution of Basic Theory, China Academy of Chinese Medical Sciences, Beijing, China

[3] School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, China

[4] Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China

关键词: Phytochemical taxonomy;    Genetic taxonomy;    Morphological characteristic;    Rhodiola plants;   

Others  :  787875
DOI  :  10.1186/1752-153X-7-118

 received in 2013-03-18, accepted in 2013-07-10,  发布年份 2013

【 摘 要 】

Background

Rhodiola plants are used as a natural remedy in the western world and as a traditional herbal medicine in China, and are valued for their ability to enhance human resistance to stress or fatigue and to promote longevity. Due to the morphological similarities among different species, the identification of the genus remains somewhat controversial, which may affect their safety and effectiveness in clinical use.

Results

In this paper, 47 Rhodiola samples of seven species were collected from thirteen local provinces of China. They were identified by their morphological characteristics and genetic and phytochemical taxonomies. Eight bioactive chemotaxonomic markers from four chemical classes (phenylpropanoids, phenylethanol derivatives, flavonoids and phenolic acids) were determined to evaluate and distinguish the chemotaxonomy of Rhodiola samples using an HPLC-DAD/UV method. Hierarchical cluster analysis (HCA) and principal component analysis (PCA) were applied to compare the two classification methods between genetic and phytochemical taxonomy.

Conclusions

The established chemotaxonomic classification could be effectively used for Rhodiola species identification.

【 授权许可】

   
2013 Liu et al.; licensee Chemistry Central Ltd.

【 图 表 】

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