Abstract
A liquid chromatography method for simultaneous determination of deoxynivalenol (DON) and nivalenol (NIV) in traditional Chinese medicine (TCM) is described for the first time. Different clean-up columns and extraction solvents have been optimized. The DON purification column was chosen as the best. The detection limits for DON and NIV were 62.5 and 50.0 μg kg−1, respectively. Recoveries from different TCMs spiked with DON and NIV at levels ranging from 0.5 to 10 mg kg−1 were 82.8–99.9% and 80.8–100.3%, respectively. None of the 30 commercially available TCM samples analyzed, were found to contain any detectable amounts of DON and NIV.
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