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. 2017 May;7(1):62.
doi: 10.1007/s13205-017-0679-8. Epub 2017 Apr 25.

Species evolution and quality evaluation of four Coptis herbal medicinal materials in Southwest China

Affiliations

Species evolution and quality evaluation of four Coptis herbal medicinal materials in Southwest China

Hanting Chen et al. 3 Biotech. 2017 May.

Abstract

Coptis herbs, which are important herbal medicinal materials, are the dried rhizomes of various plants. In China's herbal market, drying herbs can severely influence morphological markers such as shape, color, and odor, which make consumers difficult to precisely identify the herbs and effectively evaluate the quality. Here, we present the phylogenetic analysis of four Coptis herbal medicinal materials based on internal transcribed spacer sequences. C. chinensis, C. omeiensis, C. deltoidea and C. teeta constituted a monophyletic group. In this group, C. omeiensis and C. deltoidea cluster together, and they form the sister group with C. teeta, and C. chinensis locate the outermost of C. omeiensis, C. deltoidea and C. teeta. At the same time, the HPLC-DAD method was applied to simultaneously analyze main alkaloids from seventeen different samples. On the basis of the robust phylogenetic topology, the parsimony reconstructions of six effective medicinal constituents were implemented to elucidate the evolutionary history in Coptis herbs, and thus evaluate the herbal quality. The results showed that C. chinensis had been considered to be the best herb, not only the high content in single constituent but also in total alkaloids. In addition, all the samples from seventeen habitats were considered as qualified herbs, and they could meet the requirements of national quality standards for Coptis herbs in China.

Keywords: Alkaloid; Coptis herbs; Evolution; Herbal quality; Internal transcribed spacer (ITS).

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Conflict of interest statement

The author declares no conflict of interest.

Figures

Fig. 1
Fig. 1
Sampling of the four Coptis species. Map showing the sampling sites of the here included specimens
Fig. 2
Fig. 2
Bayesian inference tree derived from the part of ITS genes. Numbers above the lines or besides the nodes are Bayesian posterior probabilities and maximum likelihood analyses (1000 replicates)
Fig. 3
Fig. 3
Parsimony reconstruction of six selected effective components (Jatrorrhizine, Columbamine, Epiberberine, Coptisine, Palmatine, Berberine). The topology of phylogenetic tree was used from the result of Bayesian inference

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