The antiviral effect of three plant species of Iran on HSV-1

Farahani*, Mlihe (2016) The antiviral effect of three plant species of Iran on HSV-1. yafte, 18 (1).

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Abstract

Background : plants have had special position in human life and their medicinal application have been observed in manuscripts of many world scientists. Nowadays the treatment of HSV-1 infections with the available chemical drugs often leads to the problems due to viral resistance and virus latency duration, therefore there is a requirement for new anti-herpes drugs.In this research the antiviral effects of Camellia sinesis, Echium amoenumL and Nerium oleander, with ethnomedical background on HSV-1 were studied. Materials and Methods:The plants were extracted with decoction method to obtain aqueous extracts and after evaluating their cytotoxicity on Hep-2 cell lines by evaluating CPE, antiherpes effect of the plants extracts were determined by cytopathic effect inhibition assay. Results: Nerium oleander extract had the most toxicity (> 50 μg/ml) on cell line and Camellia sinesis showed the most inhibitory property on HSV-1 multiplication. Echium amoenumL had the lowest antiherpes effect. Camellia sinesis was inhibitor of virus multiplication completely at 50-1000 μg/ml and Echium amoenumL at concentrations >300 μg/ml. Conclusion: Camellia sinesis and Echium amoenumL could inhibit well HSV-1 multiplication completely at concentrations nontoxic. Further researches are needed to find the effect mechanism of these drugs which may be used in the manufacture of new antiherpes drugs. Keywords: Inhibition effect, Antiviral effect, HSV-1.

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