14 Feb 2023 --- Extracts from two common wild plants can inhibit the virus that causes COVID-19 to infect living cells, according to a paper published in Scientific Reports. The authors screened 18 compounds and 1,867 extracts from 660 species from the Quave Natural Products Library (QNPL) of plant extracts for viral entry inhibition. Extracts of the flowers of tall goldenrod (Solidago altissima) and the rhizomes of the eagle fern (Pteridium aquilinum) both had potent antiviral activities, according to the study. Both are native to North America and used by native Americans for traditional medicinal uses.
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