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KMID : 1141020160160020011
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Journal of Applied Oriental Medicine
2016 Volume.16 No. 2 p.11 ~ p.29
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Morphological Identification and Pharmacological Study of Cynanchum wilfordii, C. auriculatum, Metaplexis japonica and Polygonum multiflorum
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Kim Min-Hui
Seo Bu-Il
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Abstract
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Objective : This study presents the basic elements to give an exact discernment to the sorts of Polygonum multiflorum which had been likely to be confused and some characteristic differences, which was done through the examination of pharmacological literature, the classification of the types and the pharmacological study that had already been conducted in Cynanchum wilfordii, Cynanchum auriculatum, Metaplexis japonica and Polygonum multiflorum.
Methods : To differentiate the sorts of Polygonum multiflorum in type, based on the classification of the ones of the original plants, I examined their internal and external types, natures, dispositions and medical efficacies.
Results : 1. While Cynanchum wilfordii, Cynanchum auriculatum, Metaplexis japonica which belong to Asclepiadaceae have their symmetry leaves, Polygonum multiflorum of Polygonaceae has alternation leaves. While the torn leaves of C. wilfordii and Metaplexis japonica has a resin, C. auriculatum has not. While the three sorts of Metaplexis japonica wind up counterclockwise, Polygonum multiflorum goes up clockwise. While the flowers of the first bloom umbellate or cyme, the flowers of the second bloom panicle, and then their shapes are so different. 2. In the case of cutting the root of Cynanchi Wilfordii Radix we can find a pattern there. On the contrary, there is no pattern in the root of Cynanchi Auriculati Radix When there is a cut, Cynanchi Auriculati Radix has a white resin, but Cynanchi Wilfordii Radix has not. The cutting plane of Polygoni Multiflori Radix has some peculiar pattern.
Conclusion : This study was done for the exact discernment and differentiation of the sorts of Cynanchum wilfordii, Cynanchum auriculatum, Metaplexis japonica, Polygonum multiflorum which could have been misused with each other because of their similar types. For the study, We examined the literatures about the classification of their original plants, the differentiation in type and the disposition. As a result, there are remarkable distinctions in the external and internal types and the medical efficacies among them, which could be concluded as they are the different plants each other.
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KEYWORD
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Schizandrae Fructus, toxicity, poisoning symptoms, poisoning treatment, prevention against poisoning
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