A Simple and Rapid LC-MS/MS Method for Quantification of Total Daidzein, Genistein, and Equol in Human Urine

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Compound name</td><td class="align_center">Standard addition method (<i>μ</i>g/ml)</td><td class="align_center">Matrix matched calibration curve (<i>μ</i>g/ml)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Daidzein</td><td class="align_center">10.5</td><td class="align_center">9.3</td></tr><tr><td class="align_left">Genistein</td><td class="align_center">0.756</td><td class="align_center">0.707</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparison of the quantification of daidzein and genistein using the standard addition and matrix matched calibration curve method.</div>

Journal of Analytical Methods in Chemistry

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Table 4

Table 4: A Simple and Rapid LC-MS/MS Method for Quantification of Total Daidzein, Genistein, and Equol in Human Urine 