Table 1.
Chemicals | Concentration of antimicrobials (ppm) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
150 | 300 | 450 | 600 | 750 | 900 | 1050 | 1200 | 1350 | 1500 | |
Citral | 1.03ab | 0.92c | 0.83c | 0.72c | 0.62c | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a |
Eugenol | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a |
Thymol | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a |
Carvacrol | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a |
Anethol | 1.29b | 1.13d | 0.91c | 0.82c | 0.73d | 0.57d | 0.42c | 0.36c | 0.28b | 0.09a |
Cineole | 1.28b | 1.26f | 1.24e | 1.24e | 1.16f | 1.14f | 1.09e | 1.03e | 0.96d | 0.92a |
Guaicol | 1.23ab | 1.18e | 1.09d | 1.03d | 0.95e | 0.85e | 0.74d | 0.71d | 0.65c | 0.57b |
Vanillin | 1.07ab | 0.94c | 0.87d | 0.76c | 0.66c | 0.49c | 0.00a | 0.00a | 0.00a | 0.00a |
Potassium | ||||||||||
sorbate | 1.03ab | 0.76b | 0.57b | 0.53b | 0.41b | 0.40b | 0.30b | 0.27b | 0.24b | 0.22d |
Sorbic acid | 9.83c | 5.70g | 4.60f | 1.75f | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a | 0.00a |
Mean values in the same column with different letters are significantly different at p < 0.05 by Duncan’s New Multiple Range Test (DMRT).