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논문 기본 정보

자료유형
학술저널
저자정보
Ying, Xi-Xiang (School of Pharmacy, Liaoning University of TCM) Li, Hai-Bo (School of Basic Medical Sciences, Liaoning University of TCM) Chu, Zheng-Yun (School of Pharmacy, Liaoning University of TCM) Zhai, Yan-Jun (School of Pharmacy, Liaoning University of TCM) Leng, Ai-Jing (First Affiliated Hospital of Dalian Medical University) Liu, Xun (School of Pharmacy, Liaoning University of TCM) Xin, Chun (Department of pathology, Affiliated Hospital of Liaoning University of TCM) Zhang, Wen-Jie (School of Pharmacy, Liaoning University of TCM) Kang, Ting-Guo (School of Pharmacy, Liaoning University of TCM)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제7호
발행연도
2008.1
수록면
878 - 885 (8page)

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To investigate the antioxidant effect of vitexin-4"-O-glucoside, a flavone glycoside, isolated from the leaves of Crataegus pinnatifida Bge. var. major, we developed a simple and sensitive high-performance liquid chromatography (HPLC) method to determine levels of malondialdehyde (MDA) in ECV304 cell culture medium after induction by tert-butyl-hydroperoxide (TBHP). The preparation of analyzed samples involved a one-step derivatization with thiobarbituric acid (TBA). HPLC analysis was performed on a $Synergi^{TM}$ Hydro-RP, a polar end-capped $C_{18}$ column ($250{\times}4.6\;mm$, $4\;{\mu}m$), using an acetonitrile-ammonium acetate aqueous solution (10 mM, pH 6.8) as the mobile phase under linear gradient conditions with UV detection at 532 nm. The calibration curve was linear over $0.0125-1.25\;{\mu}M$ MDA (r=0.9951). Relative standard deviations (RSDs) of intra-day and inter-day precision were less than 6.1% and 5.0%, respectively. The mean recovery was $96.9\;{\pm}\;1.6%$. The lower limit of quantification (LLOQ) of MDA was $0.0125\;{\mu}M$. This chromatographic method was successfully applied to investigating the in vitro antioxidant effect of vitexin-4"-O-glucoside. Vitexin-4"-O-glucoside (120 M) protected ECV304 cells from peroxidation induced by TBHP.

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