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KMID : 0616120060370030184
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Korean Journal of Pharmacognosy
2006 Volume.37 No. 3 p.184 ~ p.189
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Monthly Variation of the Kalopanaxsaponin Content in the Leaves of Kalopanax pictus
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Nam Jung-Hwan
Jung Hyun-Ju
Choi Jong-Won
Park Kwang-Kyun
Kim Won-Bae
Lee Myung-Sun
Park Hee-Juhn
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Abstract
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To find the monthyl variation of kalopanaxsaponin contents in the leaves of Kalopanax pictus with thorns (KPT) and with no thorns (KPN), the leaves monthly collected from May to September were extracted with MeOH and then the kalopanaxsaponin fractions were prepared. KPT collected on May showed the lowest saponin content of the KPTs whereas KPT on August exhibited the hightest saponin content. From September, the saponin content in the leaves decreased. The highest saponin content was shown to be 7.3% in KPN collected on August. Evaluation of six kalopanaxsaponins A, I, J, B, H and K (KPA, KPI, KPJ, KPB, KPH, and KPK) were performed using TLC densitometer. In this measurement, considerably higher KPB and KPH, both hederagenin bisdesmosides, were founds whereas very low contents in monodesmosides KPI and KPJ were observed. In conclusion, it was shown that the leaves of KPN of August could be a biomaterial source for the kalopananxsaponin fraction. It was also suggested that measurement of the weight of kalopanaxsaponin fraction and the content of KPB as the representative compound for kalopananxsaponins will be used for the quantitative evaluation of the kalopanaxsaponins of K. pictus.
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KEYWORD
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Kalopanx pictus, Araliaceae, saponin, kalopanaxsaponin, quantitative
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