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Table 5 Cell viabilities from MTT assay in combined treatments with virus as compared to virus control group

From: Potential antiviral effects of some native Iranian medicinal plants extracts and fractions against influenza A virus

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

  1. 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