Table 4 Antibacterial inhibition zones (mm) of crude extracts and isolated compounds of C. africana.
From: Phytochemical investigation and antibacterial activities of Cordia africana roots extracts
Tested sample | Sample code and concentrations | Bacteria species and zone of inhibitions (mm) | |||
|---|---|---|---|---|---|
Gram positive | Gram negative | ||||
S.pyogenes ATCC 19,615 | S.aureus ATCC 25,923 | P.aeruginosa ATCC 27,853 | E.coli ATCC 25,922 | ||
Dichloromethane/methanol extract | 1A = (250 \(\mu\) g/ml) | 7 | 7 | 8 | 8.5 |
2A = (300 \(\mu\) g/ml) | 9 | 8 | 8.5 | 9.5 | |
Methanol extract | 1B = (250 \(\mu\) g/ml) | 10 | 9 | 9.5 | 9.5 |
2B = (300 \(\mu\) g/ml) | 12.5 | 10.5 | 11.5 | 11 | |
Compound -GT1 | 2C = (250 \(\mu\) g/ml) | 8 | 8 | 7 | 7 |
2C = (300 \(\mu\) g/ml) | 9 | 8.5 | 8 | 8 | |
Comopund-GT2 | 1D = (250 \(\mu\) g/ml) | 8.5 | 9 | 9.5 | 7.5 |
2D = (300 \(\mu\) g/ml) | 10 | 10.5 | 11 | 9 | |
Ampicillin (Positive control) | 10 \(\mu\) g/ml | 13.5 | 13 | 12 | 12.5 |
