From: In vitro antibacterial activity of some plant essential oils
Oil Name | S. aureus | B. subtilis | K. pneumoniae | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Concentration | 1:1 | 1:5 | 1:10 | 1:20 | 1:1 | 1:5 | 1:10 | 1:20 | 1:1 | 1:5 | 1:10 | 1:20 |
Aniseed oil | - | - | - | - | 12.1 ± 1.0klm | 10.8 ± 0.2ij | - | - | - | - | - | - |
Calamus oil | - | - | - | - | 17.9 ± 0.9def | 14.7 ± 0.5cd | 12.6 ± 0.5 c | 11.3 ± 1.2d | - | - | - | - |
Camphor oil | - | - | - | - | - | - | - | - | 8.5 ± 0.5e | - | - | - |
Cedar wood | - | - | - | - | 13.4 ± 0.5jkl | 12.2 ± 0.5ghi | 99 ± 0fg | - | - | - | - | - |
Cinnamon oil | 20.8 ± 0.5 a | 18.7 ± 0.2a | 14.8 ± 0.2b | 13.7 ± 0.28b | 29.9 ± 0.7 a | 27.8 ± 1.1 a | 24.1 ± 1.1 a | 22.8 ± 0.2b | 27.5 ± 0.5a | 23.5 ± 0.5a | 20.9 ± 0.2a | 18.6 ± 0.5a |
Citronella oil | 15.8 ± 0.3bc | 10.3 ± 0.5de | - | - | 14.6 ± 0.5ij | 12.5 ± 0.5ghi | 10.3 ± 0.5de | 9.3 ± 0.5ef | - | - | - | - |
Clove oil | 16.3 ± 0.5 b | 14.0 ± 0bc | 8.1 ± 1.1d | 9.8 ± 0.57c | 14.5 ± 0.2hij | 13.1 ± 0.2ef | 10.1 ± 1.0def | 8.9 ± 0.2f | 16.2 ± 0.5c | 14.4 ± 0.5b | 8.4 ± 0.5c | - |
Eucalyptus oil | - | - | - | - | - | - | - | - | - | - | - | - |
Geranium oil | 10.4 ± 0.5e | 8.9 ± 0.2e | - | - | 17.2 ± 0.2defg | 14.7 ± 0.5cde | - | - | 10.8 ± 0.2d | 9 ± 0c | - | - |
Lavender | - | - | - | - | 12.5 ± 0.4jk | 11.1 ± 0.2hi | - | - | - | - | - | - |
Lemon oil | 17.5 ± 1.1b | 14.5 ± 0.2b | 8.3 ± 0.2d | - | 16.9 ± 0.2efgh | 14.5 ± 0.5cdef | 8.9 ± 0.5 g | - | 16.5 ± 0.5c | 15.3 ± 1.1b | 8.7 ± 0.5c | - |
Lemongrass oil | 11.4 ± 1.0 de | 8.9 ± 0.2e | - | - | 16.7 ± 0.5fghi | 15.1 ± 0.7 c | 8.9 ± 1.0fg | - | 8.3 ± 0.5e | - | - | - |
Lime oil | 14.2 ± 0.5cd | 12.7 ± .2bcd | 10.3 ± 0. | 9 ± 0.00c | 23.9 ± 1.1 c | 20.8 ± 0.7 b | 15.8 ± 0.2 b | 14.1 ± 1.1c | 16.1 ± 1.1c | 14.6 ± 0.5b | 12.9 ± 0.5b | 12.6 ± 0.5b |
Nutmeg | 11.7 ± 0.8de | 9.1 ± 0.2e | - | - | 11.5 ± 0.5mn | 10.9 ± 0.2hij | - | - | - | - | - | - |
Orange oil | 12.8 ± 0.2cd | 10.6 ± 0.2cde | - | - | 18.6 ± 0.8de | 15.7 ± 1.2 c | 9.4 ± 0.5efg | 10.6 ± .5e | 11.9 ± 0.7d | 9.31.1c | - | - |
Palmarosa oil | 12.5 ± 0.2cd | 10.9 ± 0.5de | 8 ± 0d | - | 15.4 ± 0.5ghi | 14.2 ± 1cdef | 12.5 ± 0.4 c | 11.3 ± 0.5d | - | - | - | - |
Peppermint oil | 8.1 ± 0.5f | - | - | - | 10.6 ± 0.5mn | 8.6 ± 0.4k | - | - | - | - | - | - |
Rosemary oil | 12.5 ± 1d | 10.6 ± 1.0e | 8.6 ± 0.2d | - | 14.7 ± 1hi | 12.8 ± 0.5efg | 11.2 ± 0.5cd | 8.9 ± 0.2f | 11.9 ± 0.5d | 9.9 ± 0.7c | - | - |
Basil oil | 10.3 ± 0.5e | 8.3 ± 0.5e | - | - | - | - | - | - | - | - | - | - |
Vetiver oil | - | - | - | - | 18.9 ± 0.9 d | 15.6 ± 0.5c | 12.8 ± 0.2 c | 11.6 ± 0.7d | - | - | - | - |
Wintergreen | 8.7 ± 0.51f | - | - | - | 9.9 ± 0.5 n | 9.1 ± 0.1jk | - | - | - | - | - | - |
Streptomycin** | 20.9 ± 0.5 |  |  |  | 26.9 ± 0.5 |  |  |  | 20.9 ± 0.9 |  |  |  |
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