Antiviral Activity of Beebread, Bee-Collected Pollen and Artificially Fermented Pollen against Influenza A Virus
Author:
Dimitriou Tilemachos1ORCID, Asoutis Didaras Nikos1, Barda Christina2, Skopeliti Dimitra1, Kontogianni Katerina1, Karatasou Katerina3, Skaltsa Helen2ORCID, Mossialos Dimitris1ORCID
Affiliation:
1. Laboratory of Microbial Biotechnology, Molecular Bacteriology-Virology, Department of Biochemistry and Biotechnology, School of Health Sciences, University of Thessaly, 42500 Larissa, Greece 2. Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, School of Health Sciences, National and Kapodistrian, University of Athens, Zografou, 15771 Athens, Greece 3. Apicultural Centre of Larissa, Federation of Greek Beekeepers Associations, 41500 Larissa, Greece
Abstract
Bee-collected pollen (BCP) and the naturally fermented BCP product known as bee bread (BB) are functional foods renowned for their nutritious, antioxidant, antibacterial and other therapeutic properties. This is the first study employed to assess the antiviral activity of BCP and BB against influenza A virus (IAV) H1N1 along with their proteinaceous, aqueous and n-butanol fractions. Additionally, artificially fermented BCP has been evaluated against IAV (H1N1). Antiviral activity was assessed in vitro by comparative real-time PCR assay. IC50 values ranged from 0.022 to 10.04 mg/mL, and Selectivity Index (SI) values ranged from 1.06 to 338.64. Artificially fermented BCP samples AF5 and AF17 demonstrated higher SI values than unfermented BCP, and proteinaceous fractions demonstrated the highest SI values. The chemical profile of BCP and BB samples, analyzed using NMR and LC-MS, revealed the presence of specialized metabolites that may contribute toward the antiviral activity. Overall, the significant anti-IAV activity of BB and BCP harvested in Thessaly (Greece) could be attributed to chemical composition (especially undiscovered yet proteinaceous compounds) and possibly to microbiome metabolism. Further research regarding the antiviral properties of BCP and BB will elucidate the mode of action and could lead to new treatments against IAV or other viral diseases.
Funder
Department of Biochemistry & Biotechnology, University of Thessaly
Subject
Plant Science,Health Professions (miscellaneous),Health (social science),Microbiology,Food Science
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