Table 3.
Minimum inhibitory concentration of different fractions of Curcuma longa on gram-positive bacteria with gentamycin as a standard reference.
| Microorganism |
Staphylococcus aureus (SR) zone of inhibition |
Staphylococcus aureus (CI) zone of inhibition |
||
|---|---|---|---|---|
| Name of drug | In mm mean | As percentage | In mm mean | As percentage |
| Gentamycin 30 mcg | 25 | 100 | 20 | 100 |
| Fraction-I (petroleum ether) | 20 | 73 | 18 | 85 |
| 1/10 Dilution of fraction-I | 18 | 63 | 17 | 92 |
| 1/100 Dilution of fraction-I | 18 | 63 | 17 | 92 |
| Fraction-II(benzene) | 22 | 84 | 21 | 107 |
| 1/10 Dilution of fraction-II | 20 | 73 | 19 | 92 |
| 1/100 Dilution of fraction-II | 19 | 68 | 16 | 71 |
| Fraction-III(chloroform) | 14 | 42 | 16 | 71 |
| 1/10 Dilution of fraction-III | 13 | 36 | 15 | 64 |
| 1/100 Dilution of fraction-III | 12 | 31 | 14 | 57 |
| Fraction-IV(methanol) | 25 | 100 | 12 | 42 |
| 1/10 Dilution of fraction-IV | 23 | 89 | 10 | 28 |
| 1/100 Dilution of fraction-IV | 22 | 84 | 9 | 21 |
| Fraction-V(aqueous) | 20 | 73 | 18 | 85 |
| 1/10 Dilution of fraction-V | 18 | 63 | 17 | 78 |
| 1/100 Dilution of fraction-V | 17 | 57 | 15 | 64 |
| Ethylene glycol | 6 | 00 | 6 | 00 |