Abstract
Eight isolates of Fusarium roseum and three of Fusarium colmorum were found to produce deoxynivalenol in rice cultures. Deoxynivalenol was extracted with aqueous methanol (40%) and purified by partitioning with ethyl acetate and acetonitrile-petroleum ether (boiling point, 60--70 degrees C). The toxin was identified by gas chromatography/mass spectrometry and quantified by gas-liquid chromatography. High recoveries (80%) of deoxynivalenol were obtained from rice cultures, and as low as 0.250 microgram of the toxin per g was detected.
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Selected References
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