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Table 2 Influence of proteolytic enzymes, temperature and pH on DCS1 lipopeptides antibacterial activity against K. pneumoniae

From: Antioxidant properties, antimicrobial and anti-adhesive activities of DCS1 lipopeptides from Bacillus methylotrophicus DCS1

Treatment

Residual activity (%)

Enzyme (1 mg mL−1)

 Pepsin

100

 Trypsin

100

 Chymotrypsin

100

Temperature (°C)

 40

100

 60

100

 80

100

 100

100

pH

 3

74

 5

84

 8

100

 10

100

  1. Residual activity compared with the antimicrobial activity before the treatment. Data are means of three independent experiments