Skip to main content

Table 2 Effect of cold plasma treatment on Gram-positive 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

Bacillus subtilis

Micrococcus luteus

Staphylococcus aureus

Listeria monocytogenes

Lactobacillus acidophilus

Helium

2

1.92 ± 0.08 b

0.52 ± 0.21 b

0.64 ± 0.30 b

0 ± 0.01 a

0.20 ± 0.02 a

5

2.00 ± 0.05 b

1.06 ± 0.11 c

1.98 ± 0.04 c

0.06 ± 0.02 a

0.53 ± 0.11 b

10

1.97 ± 0.05 b

1.48 ± 0.09 c

2.02 ± 0.07 c

0.11 ± 0.07 a

0.69 ± 0.08 b

Argon

2

1.79 ± 0.18 b

0.01 ± 0.01 a

0.08 ± 0.05 a

0 ± 0.00 a

0 ± 0.00 a

5

1.98 ± 0.05 b

0.34 ± 0.09 b

0.88 ± 0.12 bc

0 ± 0.01 a

0 ± 0.01 a

10

2.00 ± 0.07 b

0.89 ± 0.12 c

0.96 ± 0.16 bc

0.09 ± 0.05 a

0.17 ± 0.1 a

Back to article page

Annals of Microbiology

ISSN: 1869-2044

Contact us