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Table 2 Presence/Absence of E. coli in apple juice stored at 4°C. Results (in duplicate) were obtained by enrichment of samples from the experiment illustrated in Figure 2.

From: Carvacrol and p-cymene inactivate Escherichia coli O157:H7 in apple juice

Antimicrobial treatment Time (days)
  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Control, no additions - - - - - - - - - - - - - - - - - - - - -
Control, E. coli O157:H7 inoculated + + + + + + + + + + + + + + + + + + + + -
Carvacrol, 0.5 mM + + + + + + + ± - - - - - - - - - - - - -
Cymene, 0.25 mM + + + + + + + + + + ± + ± ± + - - - - - -
Carvacrol (0.5 mM) plus cymene (0.25 mM) + + - - - - - - - - - - - - - - - - - - -