Identification of Flavonoids from Extracts of Opuntia ficus-indica var. saboten and Content Determination of Marker Components Using HPLC-PDA

손바닥선인장 추출물의 플라보노이드 구조 규명 및 HPLC-PDA를 이용한 지표성분의 함량 분석

  • Park, Seungbae (Department of Chemistry, Ulsan National Institute of Science and Technology) ;
  • Kang, Dong Hyeon (Molecular Recognition Research Center, Korea Institute of Science and Technology) ;
  • Jin, Changbae (Molecular Recognition Research Center, Korea Institute of Science and Technology) ;
  • Kim, Hyoung Ja (Molecular Recognition Research Center, Korea Institute of Science and Technology)
  • 박승배 (울산과학기술원 화학과) ;
  • 강동현 (한국과학기술연구원 분자인식연구센터) ;
  • 진창배 (한국과학기술연구원 분자인식연구센터) ;
  • 김형자 (한국과학기술연구원 분자인식연구센터)
  • Received : 2016.10.26
  • Accepted : 2016.11.15
  • Published : 2017.02.28


This study aimed to establish an optimal extraction process and high-performance liquid chromatography (HPLC)-photodiode array (PDA) analytical method for determination of marker compounds, dihydrokaempferol (DHK) and 3-O-methylquercetin (3-MeQ), as a part of materials standardization for the development of health functional foods from stems of Opuntia ficus-indica var. saboten (OFS). The quantitative determination method of marker compounds was optimized by HPLC analysis, and the correlation coefficient for the calibration curve showed very good linearity. The HPLC-PDA method was applied successfully to quantification of marker compounds in OFS after validation of the method in terms of linearity, accuracy, and precision. Ethanolic extracts from stems of O. ficus-indica var. saboten (OFSEs) were evaluated by reflux extraction at 70 and $80^{\circ}C$ with 50, 70, and 80% ethanol for 3, 4, 5, and 6 h. Among OFSEs, OFS70E at $80^{\circ}C$ showed the highest contents of DHK and 3-MeQ of $26.42{\pm}0.65$ and $3.88{\pm}0.29mg/OFS100g$, respectively. Furthermore, OFSEs were determined for their antioxidant activities by measuring 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging and lipid peroxidation (LPO) inhibitory activities in rat liver homogenate. OFS70E at $70^{\circ}C$ showed the most potent antioxidant activities with $IC_{50}$ values of $1.19{\pm}0.11$ and $0.89{\pm}0.09mg/mL$ in the DPPH radical scavenging and LPO inhibitory assays, respectively. To identify active components of OFS, various chromatographic separation of OFS70E led to isolation of 11 flavonoids: dihydrokaempferol, dihydroquercetin, 3-O-methylquercetin, quercetin, isorhamnetin 3-O-glucoside, isorhamnetin 3-O-galactoside, narcissin, kaempferol 7-O-glucoside, quercetin 3-O-galactoside, isorhamnetin, and kaempferol 3-O-rutinoside. The results suggest that standardization of DHK in OFSEs using HPLC-PDA analysis would be an acceptable method for the development of health functional foods.


Supported by : 서울시


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