한국약용작물학회지 (Korean Journal of Medicinal Crop Science)

  • 제10권3호
  • /
  • Pages.200-205
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  • 2002
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  • 1225-9306(pISSN)
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  • 2288-0186(eISSN)
한국약용작물학회 (The Korean Society of Medicinal Crop Science)
권호 표지

HPLC-ELSD법에 의한 길경의 platycodin D 정량분석

Quantitative Analysis of Platycodin D from Platycodon grandiflorum by HPLC-ELSD

  • Kim, Geum-Soog (Industrial Crop Division, National Crop Experiment Station, RDA.) ;
  • Kim, Hyun-Tae (Upland Crops Division, National Yeongnam Agricultural Experiment Station, RDA.) ;
  • Seong, Jae-Duck (Upland Crops Division, National Yeongnam Agricultural Experiment Station, RDA.) ;
  • Park, Hee-Saeng (Upland Crops Division, National Yeongnam Agricultural Experiment Station, RDA.) ;
  • Kim, Soo-Dong (Upland Crops Division, National Yeongnam Agricultural Experiment Station, RDA.)
  • 발행 : 2002.09.30
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초록

길경의 부탄올 분획으로부터 지표성분을 분리, 정제하기 위해 $SiO_2$ 컬럼크마토그래피를 실시한 결과 1종(화합물 1)의 단일 물질을 순수 분리하였으며 화합물 1의 구조는 $^1H$, $^{13}C$ NMR 등 분광학적 관측 결과 platycodin D로 확인되었다. Platycodin D의 HPLC 정량법을 검토한 결과, 검출기는 증기화광산란검출기(ELSD)를, 컬럼은 역상컬럼을 사용하여 길경 MeOH 추출액으로부터 효율적인 지표성분 정량이 가능하였다. 추출조건을 재검토한 결과 환류추출보다는 초음파 추출이 더 효율적이었으며 추출용매로는 80% MeOH이 다른 용매조건보다 추출효율이 우수하였다. 건조조건의 검토에서는 platycodin D의 함량이 양건이나 양건과 건조기 혼용건조 보다 건조기 단독 건조시 더 높았으며 특히 $60^{\circ}C$ 열풍건조에서 그함량이 0.083%로서 가장 높았다. 묽은 에탄올 엑스 함량도 건조기만을 이용한 열풍건조가 양건과 건조기 열풍건조를 혼용한 방법보다 4% 정도 더 높았다.

Platycodin D was isolated from n-butanol extract of Platycodi radix(Platycodon grandiflorum and identified by the spectroscopic analysis using $^1H$ and $^{13}C$ NMR techniques. A new method of analysis of platycodin D by high performance liquid chromatography(HPLC) was established using a reversed phase system with YMC-Pack ODS-AM( 250 X 4.6 mm) column and 30% acetonitrile as a mobile phase. Evaporative light scattering detector was used as detector. The kinds of extraction solvents and methods were examined to determine the efficient extraction condition and HPLC analysis was carried out to establish the optimum drying condition for the root of Platycodon grandiflorum. The contents of Platycodin D was highest as 0.083% when platycodon roots were dried at $60^{\circ}C$ using dry oven.

키워드

참고문헌

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