464
L. monocytogenes Scott A (log CFU/ml) Antimicrobial treatment
0h
L. monocytogenes 310 (log CFU/ml) 48 h
0h
48 h
Mean
SD
Mean
SD
Mean
SD
Mean
SD
Control
4.42
0.38
8.00
0.27
4.52
0.1
8.03
0.04
Free nisin
4.43
0.01
7.57
0.08
4.52
0.24
7.22
0.22
PC-nisin
4.23
0.09
4.93
0.33
4.09
0.16
4.83
0.12
PC:PG 8:2-nisin
4.28
0.01
4.50
0.06
4.23
0.21
4.84
0.06
PC:PG 6:4-nisin
4.21
0.01
4.73
0.09
4.31
0.2
4.83
0.2
PC, phosphatidyl choline; PG, phosphatidyl glycerol.
Jochen Weiss et al.
Table 24.2 Concentrations of foodborne pathogens inhibited by 50 IU/ml nisin in 1% low-fat milk after 48 h incubation at 25 C, as a function of liposome entrapment and liposome formulation (Taylor et al., 2007)