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. 2012 Sep 20;2012:305906. doi: 10.1155/2012/305906

Table 2.

Antibacterial activity of crude extract and fractions of leaves (Imipenem as standard drug).

Bacteria Standard drug
zone of inhibition
Crude extract
zone (mm)
n-hexane
zone (mm)
Chloroform
zone (mm)
Ethyl acetate
zone (mm)
n-butanol
zone (mm)
Aqueous
zone (mm)
E. coli 30 0 0 0 0 0 0
B. subtillis 31 8.66 ± 0.57 0 0 0 0 0
S. flexenari 33 0 0 0 7.33 ± 0.57 0 0
S. aureus 44 0 0 0 9.33 ± 1.54 0 0
P. auriginosa 26 7.66 ± 0.57 0 0 0 0 0
S. typhi 41 0 0 0 0 0 0

6–9 mm: no activity; 12–15 mm: low activity; 15–18 mm: good activity; above 18 mm: significant activity.