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. 2021 Oct 1;21:246. doi: 10.1186/s12906-021-03423-x

Table 5.

Cell viabilities from MTT assay in combined treatments with virus as compared to virus control group

Plant Extracts or Fractions Cell viability
(mean ± SD)
Co-pen Pre-pen Post-pen
Glycyrrhiza glabra Crude E. 0.42 ± 0.04* 1.05 ± 0.10** 0.41 ± 0.11**
Glycyrrhiza glabra Chloroform F. 0.21 ± 0.03 0.21 ± 0.03 0.43 ± 0.04**
Glycyrrhiza glabra Methanol F. 0.86 ± 0.29** 0.71 ± 0.10** 0.36 ± 0.11**
Myrtus communis Crude E. 0.49 ± 0.01** 0.54 ± 0.05** 0.8 ± 0.05**
Myrtus communis Chloroform F. 0.77 ± 0.11** 0.49 ± 0.04** 0.42 ± 0.11**
Myrtus communis Methanol F. 0.20 ± 0.01 0.56 ± 0.10** 0.37 ± 0.01**
Melissa officinalis Crude E. 0.50 ± 0.04** 0.212 ± 0.02 0.29 ± 0.10
Melissa officinalis Chloroform F. 0.21 ± 0.03 1.01 ± 0.31** 0.32 ± 0.04
Melissa officinalis Methanol F. 0.81 ± 0.05** 0.45 ± 0.06* 0.84 ± 0.09**
Hypericum perforatum Crude E. 0.51 ± 0.03** 0.35 ± 0.01 0.40 ± 0.04**
Hypericum perforatum Chloroform F. 0.62 ± 0.12** 0.62 ± 0.11** 0.91 ± 0.04**
Hypericum perforatum Methanol F. 0.21 ± 0.03 0.66 ± 0.08** 0.79 ± 0.06**
Tilia platyphyllos Crude E. 0.25 ± 0.02 0.21 ± 0.01 0.52 ± 0.16**
Tilia platyphyllos Chloroform F. 0.72 ± 0.04** 0.34 ± 0.07 0.68 ± 0.07**
Tilia platyphyllos Methanol F. 0.81 ± 0.05** 0.50 ± 0.02** 0.47 ± 0.12**
Salix alba Crude E. 0.80 ± 0.07** 0.73 ± 0.03** 0.533 ± 0.08**
Salix alba Chloroform F. 0.87 ± 0.11** 0.63 ± 0.05** 0.546 ± 0.01**
Salix alba Methanol F. 0.66 ± 0.07** 0.50 ± 0.03 0.420 ± 0.07
Camellia sinensis Crude E. 0.29 ± 0.01 0.39 ± 0.09 0.582 ± 0.075**
Camellia sinensis Chloroform F. 0.74 ± 0.13** 0.81 ± 0.16** 0.385 ± 0.076
Camellia sinensis Methanol F. 0.29 ± 0.03 0.26 ± 0.01 0.698 ± 0.11**
Camellia sinensis(fermented) Crude E. 0.87 ± 0.11** 0.74 ± 0.13** 0.581 ± 0.03**
Camellia sinensis(fermented) Chloroform F. 0.81 ± 0.12** 0.79 ± 0.26** 0.468 ± 0.08**
Camellia sinensis(fermented) Methanol F. 0.80 ± 0.05** 0.59 ± 0.02** 0.555 ± 0.04**
Amantadine hydrochloride 1.01 ± 0.03** 0.59 ± 0.05** 0.61 ± 0.06**
Oseltamivir carboxylate 1.11 ± 0.01** 1.06 ± 0.01** 1.04 ± 0.03**
Influenza virus 0.15 ± 0.05 0.15 ± 0.05 0.15 ± 0.02

Data presented as mean ± SD are averages of two independent MTT assays which were tested in duplicates. **: highly significantly different from values obtained for drugs-treated samples compared to untreated sample (P ≤ 0.01) analyzed by SPSS, Tukey post-hoc test