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KMID : 1098420100180050329
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Korean Journal of Medicinal Crop Science
2010 Volume.18 No. 5 p.329 ~ p.337
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Discrimination of Aralia continentalis from other Herbs Identified as “Angelicae Pubescentis Radix” by Multiplex Polymerase Chain Reaction (PCR)
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Lee Gwon-Jin
Doh Eui-Jeong
Ko Byoung-Seob
Lee Mi-Young
Oh Seung-Eun
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Abstract
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‘Angelicae Pubescentis Radix’ (APR) is an important oriental medical preparation. In Korea, Aralia continentalis has been recognized as the source plant of APR. Aralia cordata, which is difficult to distinguish from A. continentalis, and Heracleum moellendorffii, which is frequently used in lieu of A. continentalis, are traded in Korean herbal markets. In contrast, in China, Angelica pubescens is recognized as the source plant of APR. In this study, we devised a method not only to discriminate A. contientalis from A. cordata, but also to discriminate both A. contientalis and A. cordata from H. moellendorffii and A. pubescens. Based on the discrepancy in the sequences of specific regions of ITS, we designed a Cont F/ Cont R primer set to amplify a 173 bp PCR band that appears only in A. continentalis. Additionally, we designed an Ara F/ Ara R primer set to amplify a 278 bp PCR band that appears in both A. continentalis and A. cordata. Using these primer sets and the ST R primer to confirm the PCR amplification results, we developed a simple multiplex PCR method for differentiating A. continentalis from A. cordata and to concurrently differentiate both A. continentalis and A. cordata from other APR herbs.
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KEYWORD
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Angelicae Pubescentis Radix, APR, A. contientalis, A. cordata, A. pubescens, H. moellendorffii, ITS, internal tran-scribed sequences, multiplex PCR
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