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KMID : 0608520110170010175
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Korean Journal of Oriental Medicine
2011 Volume.17 No. 1 p.175 ~ p.183
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Identifying Medicinal Parts of Cocculus trilobus and Stephania tetrandra
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Lee Guem-San
Kim Young-Sik
Park Kyoung-Bum
Baek Ji-Seong
Kim Hyung-Woo
Kim Hong-Jun
Cho Su-In
Lee Je-Hyun
Ju Young-Seung
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Abstract
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Object: As though the roots of Stephania tetrandra and Cocculus trilobus are used for medicinal purposes, climbing stems of these plants which do not have medicianl value are often adulterated and distributed in markets. Therefore, distinguishing the medicinal parts of these plants from the non-medicinal parts is necessary.
Method: Samples of Stephania tetrandra and Cocculus trilobus were collected and authenticated. They were separated into root(StR, CtR) and climbing stem(StS, CtS), and then examined using stereoscope and microscope.
Result: 1. Morphological characteristics: StR contained abundant powder and had a lotus flower-patterned section whereas StS had less powder and a wheel-patterned section. CtR had an irregular longitudinally wrinkled surface and a superb pink flower-patterned section whereas CtS had a regular furrowed surface and wheel-patterned section.
2. Anatomical characteristics: StR was abundant in starch grains and crystals (calcium oxalate), whereas StS lacked these features. In contrast to CtS, the width of the CTR medullary rays was equal or greater than that of the wood rays. Additionally, CtS contained high number of crystals but CtR did not.
Conclusion: Morphological and anatomical characteristics are useful for identifying non-medicinal climbing stems of S. tetrandra and C. trilobus.
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KEYWORD
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Morphology, identification, Stephania tetrandra, Cocculus trilobus, Cocculus orbiculatus, microscopy
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