Antiviral Activity of Essential Oils and Acetone Extracts of Medicinal Plants Against Papaya Ring Spot Virus

Abstract

Abstract The volatile oils and acetone extracts of Anethum graveolens, Ppiper nigrum, Foeniculum vulgare, Cuminum cyminum, Carum copticum, Curcuma longa and Nigella sativa were tested for antiviral activity against papaya ring spot poty virus, using Chenopodium amaranticolor coste et Reyn, a local lesion host. The volatile oils of all the tested spices showed significant inhibitory activity (25–100%) at different dilutions. The volatile oils Cuminum cyminum, Carum copticum, Nigella sativa and Curcuma longa were found to be most effective among all the tested oils. Acetone extract of Carum copticum, Curcuma longa, Nigella sativa and Foeniculum vulgare showed better antiviral activity as compared to other tested extracts.