Three other species tested (E. faecalis, E. faecium and
L. acidophilus) also liberated 2-nitrophenol and 3-fluoroaniline.
Due to the liberation of VOCs by these species and by other Listeria
species, it would not be possible to determine whether VOCs
generated in an unknown milk sample indicates L. monocytogenes
contaminated milk. The inhibition of false positive VOC signals
would require further investigations into alternative combinations