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Confirmation of Schizandrin as a Marker Compound in Jangsu Omija Powder

HPLC를 이용한 기능성 원료 지표성분으로서 장수 오미자 분말 중 Schizandrin의 분석법 개발

  • Kim, Yunjeong (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Ha, Na (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Han, Song-Hee (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Jeon, Ji-Young (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Hwang, Minho (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Im, Yong-Jin (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Lee, Sun Young (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Chae, Soo-Wan (Biomedical Research Institute, Chonbuk National University Hospital) ;
  • Kim, Min-Gul (Biomedical Research Institute, Chonbuk National University Hospital)
  • 김윤정 (전북대학교병원 의생명연구원) ;
  • 하나 (전북대학교병원 의생명연구원) ;
  • 한송희 (전북대학교병원 의생명연구원) ;
  • 전지영 (전북대학교병원 의생명연구원) ;
  • 황민호 (전북대학교병원 의생명연구원) ;
  • 임용진 (전북대학교병원 의생명연구원) ;
  • 이선영 (전북대학교병원 의생명연구원) ;
  • 채수완 (전북대학교병원 의생명연구원) ;
  • 김민걸 (전북대학교병원 의생명연구원)
  • Received : 2012.08.06
  • Accepted : 2013.01.31
  • Published : 2013.02.28

Abstract

We studied the development of schizandrin as a marker compound in Jangsu Omija. Schizandrin was validated for its LOD (limit of detection), LOQ (limit of quantitation), precision, accuracy, and recovery by HPLC relative to Omija powder. It showed a high linearity in the calibration curve with a coefficient of correlation ($R^2$) of 0.9990. The LOD and LOQ were 0.2 ${\mu}g/mL$ and 0.5 ${\mu}g/mL$, respectively. The intra- and inter-day precision of schizandrin calibration standards was 0.06~0.66% and 0.13~1.19%, respectively, and the intra- and inter-day accuracy of schizandrin was 98.35~103.30% and 98.35~103.00%, respectively. Overall, schizandrin was validated through our analytical methods as a marker compound in Jangsu Omija.

본 연구는 HPLC를 이용하여 건강기능식품 기능성 원료로서 오미자의 지표성분인 schizandrin의 분석법을 확립하고 이에 대한 분석법 검증을 실시하고자 하였다. 그 결과 본 시험법에서 표준용액의 피크유지시간과 오미자추출액의 피크유지시간이 일치하여 특이성을 확인하였다. 검량선의 상관계수($R^2$)는 0.9990 이상으로 높은 유의수준을 보여 분석에 적합함을 알 수 있었으며, 검출한계는 0.2 ${\mu}g/mL$, 정량한계는 0.5 ${\mu}g/mL$로 설정되었다. 일내, 일간분석에서 정밀도를 나타내는 변동계수(CV, coefficient variation)는 표준용액에서 각각 0.06~0.66%, 0.13~1.19%로 나타내었고 정확성(accuracy)은 각각 98.35~103.30%, 98.35~103.00%로 나타내어 오미자의 지표성분인 schizandrin의 분석법이 적합한 시험법임이 검증되었다. 본 분석법에 따라 장수오미자분말에서 schizandrin을 분석한 결과 대한약전의 분석법보다 빠르며 다른 물질의 간섭 없이 분석 가능하여 건강기능식품의 기능성원료 표준화에 응용할 수 있을 것으로 판단된다.

Keywords

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