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약학회지 = Yakhak hoeji v.53 no.6, 2009년, pp.342 - 350   피인용횟수: 2

Quercetin과 (+)-Catechin의 카드뮴(II)에 대한 착물반응
Complexation Studies for Cadmium (II) with Quercetin and (+)-Catechin

이정호    (송호대학 자연건강관리과   ); 신선우    (원광대학교 한의학전문대학원 한약자원개발학과   ); 백승화    (원광대학교 한의학전문대학원 한약자원개발학과  );
  • 초록

    The interaction of cadmium (II) ion with quercetin and (+)-catechin was investigated in aqueous solution at various pH. The flavonoid/cadmium stochiometries for cadmium (II) binding to quercetin and (+)-catechin have been determined by UV-vis spectroscopy. 1 : 1 Cd (II)-Flavonoid complex had a maximum absorbance and showed the bathochromic shift of the long-wavelength band of the UV-vis spectra in the alkaline pH, that occurs upon complexation, due to a ligandto-metal charge transfer. These results suggest that Cd (II)-flavonoid complex has the optimal condition of chelation in 0.2 M $NH_3$ - 0.2 M $NH_4Cl$ (pH 8.0) solution.


  • 주제어

    quercetin .   (+)-catechin .   bathochromic shift .   Cd (II)-flavonoid complex .   ligand-to-metal charge transfer .   UV-vis spectroscopy.  

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  • 이 논문을 인용한 문헌 (2)

    1. Park, So-Yun ; Baek, Jong-Min ; Baek, Seung-Hwa 2010. "Cytoprotective Effect of Galgeuntang Extract on Cadmium-Induced Cytotoxicity" 약학회지 = Yakhak hoeji, 54(3): 151~156     
    2. Lee, Jeong-Ho ; Shin, Sun-Woo ; Baek, Seung-Hwa 2010. "Studies on the Cd(II)-Flavonoid Chelation Reactions" 약학회지 = Yakhak hoeji, 54(1): 13~21     

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