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AMB Express

Table 4 Measurement of zone of inhibition of surfactin on C. perfringens growth at different concentrations

From: Antibacterial activity of Bacillus species-derived surfactin on Brachyspira hyodysenteriae and Clostridium perfringens

Concentration (μg/ml)

Surfactin from B. subtilis

Surfactin from Bacillus licheniformis fermented products

Zone of inhibition (cm)

Mean

SD

Mean

SD

31.25

0.6a,x,e

0.04

0.5a,y

0.00

62.5

0.6a,x

0.02

0.5a,y

0.01

125

0.9b,x

0.02

0.6b,y

0.03

250

1.0c,x

0.05

0.6b,y

0.03

500

1.3d,x

0.03

1.1c,y

0.03

  1. a–dMeans within a column with no common superscript are significantly different (P <0.05)
  2. x–yMeans within a row with no common superscript are significantly different (P <0.05)
  3. eValues are expressed as mean ± SD (n = 3)
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