| 摘要 |
A method is described for determining CoQ10 concentrations in plasma samples. CoQ10 in the plasma sample is oxidized by treating the sample with an oxidizing agent having a redox potential higher than the redox potential of CoQ10, such as, for example, para-benzoquinone. Following oxidation of the CoQ10, the CoQ10 in the plasma sample is extracted with an alcohol, such as, for example, 1-propanol. The alcohol extract is analyzed using direct injection into the HPLC apparatus. This method achieves a rapid, accurate analysis of plasma CoQ10 levels, which can be used for monitoring the bioavailability of orally administered CoQ10 used as a food supplement or as an adjunctive therapy.
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