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Table 3 Effects of cold plasma treatment on Gram-negative bacteria inoculated onto the surface of agarized medium. Values with different letters (a–c) within the same column differ significantly (P < 0.05)

From: Antimicrobial activity of low-pressure plasma treatment against selected foodborne bacteria and meat microbiota

Type of plasma

Exposure time (min)

Log reduction

Escherichia coli

Yersinia enterocolitica

Pseudomonas fluorescens

Helium

2

0.44 ± 0.13 b

1.98 ± 0.02 c

0.01 ± 0.01 a

5

1.99 ± 0.04 c

1.97 ± 0.04 c

0.38 ± 0.13 b

10

2.01 ± 0.02 c

2.00 ± 0.01 c

1.97 ± 0.06 c

Argon

2

0.01 ± 0.01 a

0.34 ± 0.09 b

0.01 ± 0.00 a

5

0.49 ± 0.11 b

1.12 ± 0.07 c

0.01 ± 0.00 a

10

1.99 ± 0.03 c

1.96 ± 0.04 c

0.63 ± 0.14 b

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Annals of Microbiology

ISSN: 1869-2044

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