isolated dehydrogenase enzymes of the tricarboxylic acid cycle in cell-free preparations were unaffected by high concentrations of phenoxyethanol ( 0.8 % w/v ) with the exception of malate dehydrogenase which was inhibited in extracts to extents similar to those of malate oxidation by intact bacteria .
C0030016
dehydrogenase
C0024544
malate dehydrogenase