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|Title:||Synthesis of the flavonoid 3′,4′,5′-trimethoxyflavonol and its determination in plasma and tissues of mice by HPLC with fluorescence detection|
|Authors:||Britton, Robert G.|
Steward, William P.
Gescher, Andreas J.
|Citation:||Journal of Chromatography B, 2009, 877 (10), pp. 939-942.|
|Abstract:||3′,4′,5′-Trimethoxyflavonol (TMFol) was synthesized as a potential colorectal cancer chemopreventive agent. An HPLC method for determination for TMFol in murine plasma and tissues was developed and validated using human plasma. Analyte was separated (C18 column; fluorescence detection 330 nm excitation, 440 nm emission) using 69% methanol and 0.1 M ammonium acetate buffer (pH 5.1) as mobile phase. The method was linear for 50–2500 ng/ml plasma and 0.05–10 μg/g tissue (r > 0.99). TMFol was recovered from plasma or tissues using solid phase columns or organic solvent protein precipitation, respectively. Recovery at low, medium and high concentrations was 97.6–107.3%, with inter- and intra-day coefficients of variation of <10%. The lower limit of quantitation for plasma was 50 ng/ml. The method was applied to measure steady-state TMFol plasma and tissue levels in mice which received dietary TMFol (0.2%).|
|Description:||This paper was published as Journal of Chromatography B, 2009, 877 (10), pp. 939-942. It is available from http://www.sciencedirect.com/science/article/pii/S1570023209001275. DOI: 10.1016/j.jchromb.2009.02.043|
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|Appears in Collections:||Published Articles, Dept. of Cancer Studies and Molecular Medicine|
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