DOI QR코드

DOI QR Code

Quantitative analysis of hyperoside and isoquercitrin in methanolic extract of Stewartia koreana leaves using HPLC-DAD

  • Ju-Yeong Kang (Division of Environmental and Forest Science, Gyeongsang National University) ;
  • Yu Hwa Kim (Division of Environmental and Forest Science, Gyeongsang National University) ;
  • Youngdae Yoon (Department of Environmental Health Science, Konkuk University) ;
  • Bong-Gyu Kim (Division of Environmental and Forest Science, Gyeongsang National University)
  • 투고 : 2023.07.24
  • 심사 : 2023.10.20
  • 발행 : 2023.12.31

초록

Since Stewartia koreana leaves are registered with the Food and Drug Administration as edible herbal materials, they are used in the development of functional foods, cosmetics, and medicines. In this study, we established an analysis method that can simultaneously analyze two indicators, hyperoside (quercetin 3-O-galactoside) and isoquercitrin (quercetin 3-O-glucoside) contained in the leaves of S. koreana using HPLC-DAD. In accordance with the Ministry of Food and Drug Safety's health functional food guidelines, the analysis method was verified for specificity, accuracy, precision, limit of quantification, and linearity. The analysis method established in this study showed more than 0.9989 of the correlation coefficient values (r2) for the calibration. The total recovery rates of isoquercitrin and hyperoside were 100.55 and 98.87% with 0.14-0.78 and 0.47-0.67% of the relative standard deviation, respectively. Therefore, it was suggested that the new analytical method would be applied to standardize raw materials and high value-added products originated from the leaves of the S. koreana in the future.

키워드

과제정보

This study was carried out with the support of R&D Program for Forest Science Technology (Project No. "FTIS 2023478B10-2325BC036 ")' provided by Korea Forest Service (Korea Forestry Promotion Institute)

참고문헌

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