Abstract
In this work, it was revealed that water and ethanol extracts of the plants Nepeta cataria, Nepeta sibirica, Scutellaria baicalensis, Hyssopus officinalis, Betonica officinalis, and water extracts of Dracocephalum moldavica, Glechoma hederacea, Mentha arvensis, Prunella vulgaris, Melissa officinalis ethanol extracts of Mentha piperita, Mentha crispa, Origanum vulgare, Hyssopus officinalis, Salvia verticillata showed antiviral activity against the influenza virus subtype H5N1. Aqueous extracts of Nepeta cataria and Glechoma hederacea (NI 3.75) showed the highest antiviral effect against the H5N1 subtype.
 It was revealed the antiviral activity against influenza virus subtype H3N2 of aqueous and ethanol extracts of Scutellaria baicalensis, Mentha piperita, Mentha arvensis, Mentha crispa, aqueous extract of Dracocephalum moldavica and ethanol extracts of Glechoma hederacea, Origanum vulgare, Prunella vulgaris, Hyssopus officinalis, Betonica officinalis, Salvia verticillata. Ethanolic extract of Betonica officinalis (NI 4.25) showed the highest virus neutralizing activity against the H3N2 subtype.
 It was carried out chemical analysis of the aerial parts of plants of the Lamiaceae family. It was shown that the highest content of flavonols was observed in Dracocephalum nutans (4.47±0.04%), the highest content of tannins was found in Mentha arvensis (17.62 ± 0.78%), and the highest content catechins were found in Nepeta cataria (0.43 ± 0.007%).
 Thus, plant extracts of the Lamiaceae family are promising sources for further studies to develop new antiviral drugs.
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