Ishrat Younus, Afshan Siddiq, Humera Ishaq, Laila Anwer, Sehrish Badar, Muhammad Ashraf.
Evaluation of antiviral activity of plant extracts against foot and mouth disease virus in vitro..
Pak J Pharm Sci Jan ;29(4):1263-8.

The aim of this study was to evaluate antiviral activity of chloroformic leaves extracts of three plants: Azadirachta indica, Moringa oleifera and Morus alba against Foot and Mouth disease virus using MTT assay (3-(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide). Antiviral and cytotoxic activity of each extract was evaluated as cell survival percentage and results were expressed as Means +/- S.D. The concentrations which resulted in cell survival percentages of greater than 50% are considered to be effective antiviral concentrations. From the tested plant extracts, Moringa oleifera showed potent antiviral activity (p<0.05) while Azadirachta indica showed significant antiviral activity in the range of 1-50mu/ml & 12-100mu/ml respectively. In contrast no antiviral activity was observed by Morus alba as all the tested concentration resulted in significant reduction (p<0.05) in cell survival percentage.

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