Test-cultures Zone of test-cultures growth inhibition (mm) by biosurfactants from B.subtilis
BSB3 (30°C)* BSB3 (37°C)** 16k (30°C) 16k (37°C) 105 (30°C) 105 (37°C)
S. aureus 10292 12 10 17 15 0 0
MRSA 13 10 9 13 11 0 0
S. aureus 10378 15 12 20 19 0 0
MRSA 34 11 8 0 0 0 0
S. aureus ATCC 12600 16 12 20 20 0 0
MRSA 26 15 10 13 13 0 0
MRSA 2 12 10 14 14 0 0
S. itermedius 10203 16 9 25 25 0 0
MRSA 5 12 9 15 14 0 0
S. aureus 10497 13 11 17 17 0 0
S. aureus ATCC 27690 13 11 15 15 0 0
MRSA 1 10 7 15 14 0 0
S. aureus 10686 15 12 18 18 0 0
MRSA 45 13 10 18 16 0 0
*Bacillus strain was incubated at 30°C; **Bacillus strain was incubated at 37°C.
Table 4: Activity of biosurfactants against Staphylococcus test-cultures.