Fig. 11

Detection of 6-hydroxy- and 6-oxo-2,4-alkadienal in heated cooking oil. a Chromatogram, b UV spectra of 1 (pink), 2 (green), 3 (black) and 4 (red)
Detection of 6-hydroxy- and 6-oxo-2,4-alkadienal in heated cooking oil. a Chromatogram, b UV spectra of 1 (pink), 2 (green), 3 (black) and 4 (red)