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  • Title: High performance liquid chromatographic method using fluorescence detention for quantitative analysis of zearalenone and alpha-zearalenol in blood plasma.
    Author: Trenholm HL, Warner RM, Farnworth ER.
    Journal: J Assoc Off Anal Chem; 1981 Mar; 64(2):302-10. PubMed ID: 6453116.
    Abstract:
    A sensitive, high performance liquid chromatographic method is described for quantitative determination of zearalenone and alpha-zearalenol in blood plasma. Blood plasma is extracted with 2-propanol in ether, the extract is evaporated to dryness, and the residue is dissolved in 0.18N NaOH. The aqueous phase is washed with chloroform, dichloromethane, and benzene, neutralized with 0.10M H3PO4, and extracted with benzene. The extract is evaporated, dissolved in methanol, and injected onto a reverse phase column containing LiChrosorb RP-8 under the following conditions: methanol-acetonitrile-water mobile phase, fluorescence detector, excitation wavelength 236 nm, and 418 nm cut-off emission filter. The limit of detectability (twice background) is 0.5 ng standard which is equivalent to 0.6 ng standard/mL blood plasma. Linear standard curves are observed over the range of 0-35 ng of injected zearalenone and alpha-zearalenol. The recoveries from blood plasma are 76-101% in the range of 1.5-6.0 ng standard/mL blood.
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