Bar-HRM: a reliable and fast method for species identification of ginseng (, , and ).

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ID: 58089
2019
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Abstract
Korean ginseng has long been famous and is one of the most well known forms of ginseng. The root of plants in the genus is commonly recognized as ginseng. Different species of ginseng root have been used as treatments. Although many other herbs are called ginseng, they do not contain the active compounds of ginsenosides. In Thailand, we have Thai ginseng which is of course not one of species. Thai ginseng is the root from and, due to its morphological root similarity, it is almost impossible to differentiate between them. Also, another plant species, , has significantly similar root morphology to real ginseng but its seeds and root are poisonous. Misunderstanding what true ginseng is compared to others could endanger lives and cause financial loss by buying inferior products.DNA barcoding combination with High Resolution Melting (called Bar-HRM) was used for species discrimination of the ginseng and others. Five regions included ITS2, , and were evaluated in the analyses.The ITS2 region was found to be the most suitable primers for the analysis. The melting profile from the HRM analyses using the chosen ITS2 primers showed that Korean ginseng () could be discriminated from other species. Also, other ginseng species with morphological similarity could be easily distinguished from the true ginseng. The developed Bar-HRM method poses a great potential in ginseng species discrimination and thus could be also useful in ginseng authentication.
Reference Key
osathanunkul2019barhrmpeerj Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Osathanunkul, Maslin;Madesis, Panagiotis;
Journal PeerJ
Year 2019
DOI
10.7717/peerj.7660
URL
https://peerj.com/articles/7660.pdf
Keywords
species discrimination quality control panax ginseng bar-hrm molecular authentication

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