TABLE 2.
Surface coverage values observed for E. coli ATCC 12806 adapted and/or exposed to subinhibitory concentrations of food-grade biocidesa
| Culture exposed to: | Surface coverage (%) of culture previously adapted to: |
|||
|---|---|---|---|---|
| NC | TSP | SNI | SHY | |
| NC | 74.0 ± 3.7Aa | 14.0 ± 2.2Ba | 80.2 ± 1.88Ca | 85.1 ± 3.1Ca |
| TSP | 3.1 ± 1.5Ab | 4.5 ± 0.5ABb | 1.1 ± 0.2Ab | 7.3 ± 3.5Bb |
| SNI | 9.9 ± 1.7Ac | 0.4 ± 0.5Bc | 80.4 ± 5.3Ca | 26.8 ± 1.8Dc |
| SHY | 8.7 ± 0.1Ac | 10.6 ± 3.3Aa | 80.9 ± 2.1Ba | 91.2 ± 8.0Ca |
a
For information on interpretation, see the footnotes to Table 1.