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Identification and monitoring of Korean medicines derived from Cinnamomum spp. by using ITS and DNA marker.


ABSTRACT: In this study, we identified and evaluated the genetic relationships among Cinnamomum plants, which are used in traditional medicine. We also attempted to monitor the distribution of traditional medicines derived from Cinnamomum cassia by using DNA barcoding and a species-specific DNA marker. Plants of the genus Cinnamomum, and in particular C. cassia, are commonly used as medicinal herbs in the form of Cinnamomi Ramulus, Cinnamomi Cortex, and Cassiae Cortex Interior. However, it is difficult to distinguish among different Cinnamomum species based on morphological features, and so to overcome this limitation, nucleotide sequences of the internal transcribed spacer (ITS) region of Cinnamomum DNA were determined and compared. On the basis of the discrepancy in determined ITS sequences, a 408-bp product, amplified by the primer pair CC F1/CC R3, was developed as a C. cassia-specific DNA marker. Using the developed DNA marker in combination with the ITS 2 nucleotide sequence, we monitored imported and commercially supplied medicinal products derived from Cinnamomum plants in markets in Korean, China, and Japan. The results revealed that most of the specimens monitored were derived from C. cassia.

SUBMITTER: Doh EJ 

PROVIDER: S-EPMC5196016 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Identification and monitoring of Korean medicines derived from <i>Cinnamomum</i> spp. by using ITS and DNA marker.

Doh Eui Jeong EJ   Kim Jung-Hoon JH   Oh Seung Eun SE   Lee Guemsan G  

Genes & genomics 20161020 1


In this study, we identified and evaluated the genetic relationships among <i>Cinnamomum</i> plants, which are used in traditional medicine. We also attempted to monitor the distribution of traditional medicines derived from <i>Cinnamomum cassia</i> by using DNA barcoding and a species-specific DNA marker. Plants of the genus <i>Cinnamomum</i>, and in particular <i>C. cassia</i>, are commonly used as medicinal herbs in the form of Cinnamomi Ramulus, Cinnamomi Cortex, and Cassiae Cortex Interior.  ...[more]

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