Table 4.
Inhibition zones of leaf, stem and root extracts of three varieties of Labisia pumila against pathogenic bacteria at concentration of 300 µg/disc.
| Sample* | Inhibition Zone (cm) | |||
|---|---|---|---|---|
| Gram-positive bacteria | ||||
| B. subitilis | S. aureus | B. cereus | M. luteus | |
| Pumila Leaf | 1.15 b | 0.95 b | 1.05 b | 0.57 c |
| Alata Leaf | 1.05 c | 0.91 bc | 1.1 b | 0.65 b |
| Lanceolata Leaf | 1.00 cd | 0.80 c | 0.96 c | 0.55 c |
| Pumila Root | 0.99 cd | 0.65 d | 0.96 c | 0.41 d |
| Alata Root | 0.94 ed | 0.39 ef | 0.85 ef | 0.39 de |
| Lanceolata Root | 0.96 cde | 0.49 e | 0.94 cd | 0.36 def |
| Pumila Stem | 0.93 de | 0.31 f | 0.89 de | 0.37 def |
| Alata Stem | 0.89 e | 0.29 f | 0.79 fg | 0.35 ef |
| Lanceolata Stem | 0.79 f | 0.33 f | 0.73 g | 0.33 f |
| Kanamycin | 1.25 a | 1.11 a | 1.28 a | 0.88 a |
| Gram-negative bacteria | ||||
| E. coli | P. aeruginosa | E. aerogenes | K. pneumonie | |
| Pumila Leaf | 1.26 c | 0.53 c | 1.12 c | 1.12 b |
| Alata Leaf | 1.32 b | 0.75 b | 1.23 b | 1.05 b |
| Lanceolata Leaf | 1.15 d | 0.49 cd | 1.05 d | 0.95 c |
| Pumila Root | 0.93 f | 0.47 d | 0.98 e | 0.62 f |
| Alata Root | 1.01 e | 0.47 d | 1.11 cd | 0.83 d |
| Lanceolata Root | 0.97 ef | 0.33 e | 0.96 ef | 0.73 e |
| Pumila Stem | 0.67 g | 0.44 d | 0.9 f | 0.91 c |
| Alata Stem | 0.50 h | 0.44 d | 0.79 g | 0.81 de |
| Lanceolata Stem | 0.45 h | 0.37 e | 0.71 h | 0.82 d |
| Kanamycin | 1.48 a | 1.03 a | 1.33 a | 1.31 a |
Means with different superscripts within column are significantly different (P < 0.05); * sample of methanolic extract and standard antibiotic agent.