Fig. 12From: Formation of the mutagenic DNA lesion 1,N2-ethenoguanine induced by heated cooking oil and identification of causative agentsComparison of 6-hydroxy- and 6-oxo-2,4-alkadienals standards and those detected in heated cooking oil. Four standards and fractions 1–4 obtained by fractionation of the heated oil were compared by LC/MS (SIM)Back to article page