Table 2 The selectivity index (SI) values of the tested essential oils against influenza A/H1N1 and A/H5N1, and SARS-CoV-2 viruses.
From: In vitro antiviral activities of thymol and Limonin against influenza a viruses and SARS-CoV-2
Essential Oil | Virus | CC50 (mg/ml) | IC50 (µg/ml) | SI | Citations |
|---|---|---|---|---|---|
Thymol | H1N1 | 1.59 | 0.022 | > 100 | This study |
H5N1 | 0.0156 | > 100 | |||
SARS-CoV-2 | 0.0632 | 0.59 | < 100 | ||
Limonin | H1N1 | 6.72 | 4.25 | > 100 | |
H5N1 | 0.0185 | > 100 | |||
SARS-CoV-2 | < 10 | 4.04 | < 100 | ||
Camphor | H1N1 | < 10 | 234.1 | 42.7 | |
Peppermint oil | H1N1 | 5.23 | IC50 < CC50 | N/A | |
Eucalyptus oil | H1N1 | 10.01 | IC50 < CC50 | N/A | |
Clove oil | H1N1 | < 10 | IC50 < CC50 | N/A | |
Zanamivir | H1N1 | < 10 | 0.792 | > 100 | |
H5N1 | 0.265 | > 100 | |||
Remdesivir | SARS-CoV-2 | 0.473 | 6.721 | 70.40 |
