Concentrations of Ergosterol and Trichothecenes in the Grains of Three Triticum Species

WiwartM.,�PerkowskiJ.,�BudzynskiW.,�SuchowilskaE.,�BuśkoM.,�MatysiakA.�(2011):�Concen - trations of ergosterol and trichothecenes in the grains of three Triticum species .�CzechJ.�FoodSci.,� 29:�430-440. Theconcentrationsofergosterol, � typeAtrichothecenes � (HT-2� toxin, � T-2� tetraolandscirpentriol), � andtypeBtri - chothecenes �(deoxynivalenol, �3-acetyldeoxynivalenol, �15-acetyldeoxynivalenol, �nivalenol, �fusarenoneX)�weredetermined� inthegrainsofthreewheatwintercultivarsofTriticum aestivum, T. spelta ,�andT. durum .�Thehighestconcentrations� ofergosterol � (3.3� × � 10 4 � μg/kg) � anddeoxynivalenol � (654.67� μg/kg) � werenotedinthegrainofT. durum .� Ergosterol� concentrationsdidnotdecreasefollowingthefungicideapplication. �Theresultsoftheprincipalcomponentanalysis� showedthatthequantitativeandqualitativeprofilesoftoxicmetabolitesinT. durum differedsignificantlyfromthose� obtainedfortheremainingtwowheatspecies. �Astrongcorrelationbetweentheconcentrationsofergosterolandde- oxynivalenol �(r�=�0.920)�indicatedthepredominanceofpathogenicfungiofthegenusFusariuminwheatgrain.