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Table 5 Cytotoxicity effect and antiviral activity of eight Eucalyptus essential oils

From: Chemical composition of 8 eucalyptus species' essential oils and the evaluation of their antibacterial, antifungal and antiviral activities

Essential oils СС50 *)(mg/mL, ± SD) Concentrations (mg/mL) Antiviral activity
Pre-treatment of cells IC50(mg/ml) SI Pre-treatment of virus IC50(mg/ml) SI
E. cin 204.5 ± 0.35b•) 150 66.5 131b 1.56a 71 102c 2a
75 0 54
37.5 0 0
E. sid 247.3 ± 0.9c 150 0 Nd Nd 0 Nd Nd
75 0 0
37.5 0 0
E. mai 253.5 ± 0.35c 150 29 233.5c 1.08a 62.5 136.5d 1.85a
75 0 0
37.5 0 0
E. leh 15 ± 00.0a 15 0 Nd Nd 0 Nd Nd
7.5 0 0
3.75 0 0
E. bic 16 ± 00.0a 15 0 4.8a 3.33b 0 0.7a 22.8b
7.5 66.5 87.5
3.75 37.5 83
E. ast 15.7 ± 0.14a 15 0 Nd Nd 83 8.4b 1.86a
7.5 0 46
3.75 0 25
E. leu 14.9 ± 0.07a 15 0 Nd Nd 0 Nd Nd
7.5 0 0
3.75 0 0
E. odo 6.2 ± 0.14a 6 0 Nd Nd 0 Nd Nd
3 0 0
   1.5 0    0   
  1. *) Values were expressed as a cytotoxic concentration ± SD of duplicate determination.
  2. ·) Values with different letters differ significantly by Duncan's multiple range test (p < 0.05).
  3. Nd: Not determined.