Table 5.
Antibacterial activity of citrus essential oil.
| Essential Oil | Bacterial Strains (ZoI) in mm | ||||
|---|---|---|---|---|---|
|
S. aureus ATCC 25923 |
E. coli ATCC 25922 |
K. pneumoniae ATCC 700603 |
S. sonnei ATCC 25931 |
S. typhi ATCC 14028 |
|
| Mandarin Citrus reticulata Blanco (C1) |
9 | 9 | 9 | 9 | 10 |
| Sweet Orange Citrus sinensis Osbeck(C2) |
8 | 7 | 10 | 8 | 9 |
| Pummelo Citrus grandis Osbeck (red flesh) (C3) |
8 | 8 | 8 | 10 | 9 |
| Pummelo Citrus grandis Osbeck (white flesh) (C4) |
11 | 11 | 9 | 10 | 8 |
| Positive control | 23 | 19 | 16 | 30 | 19 |
Note: Positive control: Neomycin 30 µg/disc and Negative control: DMSO.