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Table 3 Physico-chemical characterization of enterocin 12a

From: Anticancer and antimicrobial potential of enterocin 12a from Enterococcus faecium

Physico-chemical parameters

Treatments

Residual activity of enterocin 12a in terms of zone of inhibition (mm)

 

Untreated control

15±0.11

Temperature

60 °C (30 min)

15±0.12

60 °C (60 min)

15±0.20

80 °C (30 min)

14±0.20

80 °C (60 min)

13±0.11

100 °C (15 min)

8±0.15

100 °C (30 min)

*-

121 °C (15 min)

–

pH

2

13±0.14

4

14±0.12

6

13±0.15

8

12±0.13

10

11±0.12

Solvents (50%v/v)

Chloroform

14±0.11

Methanol

15±0.11

Acetonitrile

15±0.11

Enzymes (1 mg/ml)

Proteinase K

–

Pepsin

–

Trypsin

–

Lipase

15±0.12

  1. *-No zone of inhibition observed