Food Science and Technology Global Issues

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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)


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