Table 2.
Antibacterial activity of extractives from G. scortechinii
| H | D | A | M | S | N | |
|---|---|---|---|---|---|---|
| Gram-positive bacteria | ||||||
| Bacillus sp. | 13 | 20 | – | 20 | 18 | |
| Staphylococcus aureus ATCC 25923 | 14 | 27 | – | 21 | 16 | |
| Staphylococcus aureus ATCC 29213 | 14 | 23 | – | 20 | 16 | |
| Enterococcus faecalis ATCC 24922 | – | 20 | – | 14 | 14 | |
| Streptococcus pneumoniae ATCC 49619 | – | 21 | – | 13 | 10 | |
| Gram-negative bacteria | ||||||
| Pseudomonas aeruginosa ATCC 27853 | – | – | – | – | 17 | |
| Escherichia coli ATCC 25922 | – | 19 | 10 | 13 | 20 | |
| Klebsiella pneumoniae | – | 11 | – | – | 20 | |
| Shigella sonnei | 16 | 28 | – | 18 | 20 | |
| Shigella flexneri | – | 13 | 7 | – | 13 | |
| Proteus sp. | – | 17 | 12 | 10 | 20 | |
| Yeast | ||||||
| Candida albicans ATCC 90028 | 13 | 23 | – | 9 | 17 |
Average zone of inhibition (in mm) of triplicate including the diameter of the filter paper disc (6 mm). H = hexane fraction (5 mg/disc) D = dichloromethane fraction (5 mg/disc) A = aqueous fraction (5 mg/disc) M = methanol fraction (5 mg/disc) S = streptomycin (10 μg/disc) N = Nystatin (100 IU).