Table. 1. Antimicrobial activity of Plumbago zeylanica.
| Extract | Zone of Inhibition (mm) | ||||||
|---|---|---|---|---|---|---|---|
| Conc (μg/100 μL) | E-coli | S. aureus | M. luteus | S.aureus Sub.aureus | P. areuginosa | B. subtilis | |
| Stem | 300 | 9 | 8 | 9 | 8 | 10 | 9 |
| 500 | 11 | 9 | 11 | 9 | 11 | 11 | |
| 1,000 | 12 | 10 | 11 | 9 | 11 | 11 | |
| 1,200 | 14 | 12 | 15 | 12 | 17 | 13 | |
| Control | 9 | 8 | 9 | 9 | 8 | 9 | |
| Leaf | 450 | 8 | 5 | 11 | 11 | 7 | 7 |
| 750 | 8 | 6 | 11 | 11 | 7 | 7 | |
| 1,500 | 11 | 8 | 12 | 12 | 9 | 9 | |
| 1,800 | 11 | 16 | 13 | 20 | 12 | 12 | |
| Control | 8 | 10 | 10 | 11 | 9 | 9 | |
*Control was methanol (100 μL). E-coli, Escherichia coli; S. aureus, Staphylococcus aureus; M. luteus, Micrococcus luteus; S.aureus Sub.aureus, Staphylococcus aureus sub sp aureus; P. areuginosa, Psrudomonas areuginosa; B. subtilis, Bacillus subtilis.