TABLE 2.
Attachment ratios for pairwise combinations of S. Typhimurium ATCC 14028-L. monocytogenes ATCC 7644 at different initial inoculum ratios on BC compositesa
| Composite | Component(s) added (% [wt/vol]) |
Final attachment ratio of S. Typhimurium to L. monocytogenes with an inoculum ratio ofb: |
|||
|---|---|---|---|---|---|
| Pectin | Xyloglucan | 0.428 | 1 | 2.333 | |
| BC | 0 | 0 | 1.230 ± 0.013 A | 1.225 ± 0.002 A | 1.342 ± 0.021 B |
| BCP | 0.1 | 0 | 1.308 ± 0.008 A | 1.379 ± 0.014 B | 1.475 ± 0.033 C |
| 0.3 | 0 | 1.516 ± 0.041 A | 1.512 ± 0.057 A | 1.560 ± 0.040 A | |
| 0.5 | 0 | 1.516 ± 0.019 A | 1.504 ± 0.045 A | 1.524 ± 0.039 A | |
| BCX | 0 | 0.1 | 1.321 ± 0.015 A | 1.284 ± 0.027 A | 1.384 ± 0.009 B |
| 0 | 0.3 | 1.323 ± 0.045 A | 1.372 ± 0.020 A | 1.360 ± 0.025 A | |
| 0 | 0.5 | 1.216 ± 0.068 A | 1.397 ± 0.050 B | 1.389 ± 0.014 B | |
| BCPX with 0.1% xyloglucan | 0.1 | 0.1 | 1.194 ± 0.100 A | 1.188 ± 0.031 A | 1.378 ± 0.055 B |
| 0.3 | 0.1 | 1.173 ± 0.026 A | 1.229 ± 0.045 A | 1.334 ± 0.017 B | |
| 0.5 | 0.1 | 1.244 ± 0.032 A | 1.225 ± 0.015 A | 1.310 ± 0.029 B | |
| BCPX with 0.3% xyloglucan | 0.1 | 0.3 | 1.180 ± 0.016 A | 1.230 ± 0.041 A | 1.337 ± 0.011 B |
| 0.3 | 0.3 | 1.296 ± 0.052 A | 1.279 ± 0.016 A | 1.364 ± 0.066 A | |
| 0.5 | 0.3 | 1.304 ± 0.030 B | 1.230 ± 0.025 A | 1.373 ± 0.023 C | |
| BCPX with 0.5% xyloglucan | 0.1 | 0.5 | 1.128 ± 0.026 A | 1.191 ± 0.028 AB | 1.227 ± 0.032 C |
| 0.3 | 0.5 | 1.116 ± 0.048 A | 1.231 ± 0.026 B | 1.286 ± 0.020 B | |
| 0.5 | 0.5 | 1.109 ± 0.023 A | 1.218 ± 0.009 B | 1.306 ± 0.019 C | |
a
Initial inoculum ratios were 0.428, 1, and 2.333.
b
Different letters indicate significant differences between final attachment ratios for pairwise combinations of S. Typhimurium and L. monocytogenes with the same BC composite (one-way ANOVA and Tukey's pairwise comparison, P < 0.05).