Table 1.
Antibacterial activities of tropical plants extract against animal pathogenic bacteria
| Plant tested | Pathogenic bacteria | Solvent fraction1) | |||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| A | B | C | D | E | F | ||
|
| |||||||
| Clear zone2) (mm) | |||||||
| Poncirus trifoliate fruit (Makrut) | Escherichia coli | -3) | 10.5±0.38 | - | - | - | - |
| Burkholderia sp. | - | 12.8±0.29 | - | - | - | - | |
| Haemopillus somnus | - | 16.8±0.09 | - | - | - | - | |
| Haemopillus parsuis | - | 11.8±0.21 | - | - | - | - | |
| Clostridium perfringens | - | 12.4±0.26 | - | - | - | - | |
| Pantoea agglomerans | - | 11.7±0.32 | - | - | - | - | |
| Zingiber officinale Rosc (Khing) | Escherichia coli | - | - | - | - | - | - |
| Burkholderia sp. | - | - | - | - | - | - | |
| Haemopillus somnus | - | - | - | - | - | - | |
| Haemopillus parsuis | - | - | - | - | - | - | |
| Clostridium perfringens | - | - | 13.0±0.19 | 12.6±0.33 | 12.1±0.27 | 11.9±0.06 | |
| Pantoea agglomerans | - | - | - | - | 11.5±0.07 | 9.9±0.34 | |
| Areca catechu L. (Mak) | Escherichia coli | - | - | - | - | - | - |
| Burkholderia sp. | 12.5±0.18 | 12.5±0.12 | - | - | - | + | |
| Haemopillus somnus | 12.3±0.31 | - | - | - | - | - | |
| Haemopillus parsuis | 12.8±0.15 | - | - | - | - | - | |
| Clostridium perfringens | - | - | - | - | - | - | |
| Pantoea agglomerans | - | - | - | - | - | 10.3±0.29 | |
| Solanum melongena L. I (Makkhuayao) | Escherichia coli | - | - | - | - | - | - |
| Burkholderia sp. | - | - | - | - | - | - | |
| Haemopillus somnus | - | - | - | - | - | - | |
| Haemopillus parsuis | - | - | - | - | - | - | |
| Clostridium perfringens | - | - | - | - | - | - | |
| Pantoea agglomerans | - | - | - | - | - | 10.1±0.15 | |
| Solanum melongena L. II (Makhuapro) | Escherichia coli | - | - | - | - | - | - |
| Burkholderia sp. | - | - | - | - | - | 12.4±0.30 | |
| Haemopillus somnus | - | - | - | - | - | - | |
| Haemopillus parsuis | - | - | - | - | - | - | |
| Clostridium perfringens | - | - | - | - | - | - | |
| Pantoea agglomerans | - | - | - | - | - | 9.7±0.06 | |
1)
Solvent fractions: A, water; B, methanol; C, n-hexane; D, chloroform; E, ethylacetate; F, butanol.
2)
Mean±standard error (n = 3).
3)
Antibacterial activities: -, no inhibition (8 mm); very slight inhibition (9 to 11 mm); moderate inhibition (11 to 13 mm); strong inhibition (13 to 17 mm).