vrijdag 10 september 2021

 





bioRxiv posts many COVID19-related papers. A reminder: they have not been formally peer-reviewed and should not guide health-related behavior or be reported in the press as conclusive.

New Results Follow this preprint

Antiviral activity of plant juices and green tea against SARS-CoV-2 and influenza virus in vitro

Bruno FrankCarina ConzelmannTatjana WeilRüdiger GroßPeggy JungkeMaren EggersJanis A. MüllerJan MünchUwe Kessler

doi: https://doi.org/10.1101/2020.10.30.360545

Abstract

Many plant juices, extracts and teas have been shown to possess antiviral activity. We here analyzed the virucidal activity of black chokeberry (Aronia melanocarpa), pomegranate (Punica granatum), and elderberry (Sambucus nigra) juice, as well as green tea (Camellia sinensis) against different respiratory viruses. We found that all tested plant derived products effectively inactivated influenza virus, whereas only chokeberry juice diminished SARS-CoV-2 and vaccinia virus infectivity. None of the products inactivated non-enveloped human adenovirus type 5. Thus, black chokeberry juice exerts virucidal activity against different enveloped viral pathogens under in vitro conditions. Whether application of virucidal juices or green tea as oral rinses may lower viral loads in the oral cavity in vivo remains to be evaluated.

Competing Interest Statement

B.F. and U.K. are partners of CogniVerde GmbH Gross-Umstadt, Germany. R.G. acted as a consultant of CogniVerde GmbH, Gross-Umstadt, Germany.

Paper in collection COVID-19 SARS-CoV-2 preprints from medRxiv and bioRxiv

 

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