Caffeoylquinic Acids Are Major Constituents with Potent Anti-Influenza Effects in Brazilian Green Propolis Water Extract
2011

Anti-Influenza Effects of Brazilian Green Propolis

publication Evidence: high

Author Information

Author(s): Tomohiko Urushisaki, Tomoaki Takemura, Shigemi Tazawa, Mayuko Fukuoka, Junji Hosokawa-Muto, Yoko Araki, Kazuo Kuwata

Primary Institution: Nagaragawa Research Center, API Co., Ltd.

Hypothesis

Can Brazilian green propolis water extract (PWE) and its constituents exhibit anti-influenza virus activity?

Conclusion

The study found that caffeoylquinic acids in Brazilian green propolis have potent anti-influenza effects.

Supporting Evidence

  • PWE significantly increased cell viability in influenza-infected cells.
  • Caffeoylquinic acids were identified as the active components responsible for the anti-influenza effect.
  • The EC50 value for the most potent component, 3,4-diCQA, was determined to be 81.1 μM.

Takeaway

Brazilian green propolis can help fight the flu because it has special ingredients that protect cells from the virus.

Methodology

The study used cell viability and real-time PCR assays to evaluate the anti-influenza activity of PWE.

Limitations

The study does not identify all active compounds in PWE, suggesting that other effective components may exist.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1155/2011/254914

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