Table 2.
In vitro interaction between Nisin and PO
| Strains | Nonparametric method | |
|---|---|---|
| FICI | ||
| Mean (range) | Interpretation | |
| S.aureus JL-10011 | 0.25 (0.19–0.375) | SYN |
| S.aureus JL-10012 | 0.25 (0.25) | SYN |
| S.aureus JL-10013 | 0.25 (0.25–0.375) | SYN |
| S.aureus JL-10014 | 0.375 (0.31–0.375) | SYN |
| S.aureus JL-10015 | 0.19 (0.19–0.31) | SYN |
| S.aureus JL-10016 | 0.19 (0.19–0.25) | SYN |
| S.aureus JL-10017 | 0.375 (0.375) | SYN |
| S.aureus JL-10018 | 0.25 (0.25–0.375) | SYN |
| S.aureus JL-10019 | 0.25 (0.25) | SYN |
| S.aureus JL-10020 | 0.28 (0.14–0.32) | SYN |
| S.aureus ATCC 29213 | 0.19(0.19–0.25) | SYN |
| L. monocytogenes JL-2000 | 0.19(0.125–0.19) | SYN |
| L. monocytogenes JL-2001 | 0.125(0.125–0.19) | SYN |
| L. monocytogenes JL-2002 | 0.19(0.125–0.19) | SYN |
| L. monocytogenes JL-2003 | 0.125(0.125–0.19) | SYN |
| L. monocytogenes JL-2004 | 0.19(0.125–0.19) | SYN |
| L. monocytogenes JL-2005 | 0.125(0.125–0.19) | SYN |
| L. monocytogenes JL-2006 | 0.19 (0.19–0.25) | SYN |
| L. monocytogenes JL-2007 | 0.25 (0.25) | SYN |
| L. monocytogenes JL-2008 | 0.25 (0.19–0.25) | SYN |
| L. monocytogenes JL-2009 | 0.19 (0.19) | SYN |
| L. monocytogenes ATCC 19115 | 0.125(0.125–0.19) | SYN |
SYN synergism, ANT antagonism, IND indifference; n number of interactions. For the FICI model, synergy was defined as an FICI of ≤0.5, antagonism was defined as an FICI of >4.0, and indifference was defined as an FICI of >0.5–4 (i.e., no interaction)