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Sunday, November 22, 2009

Echinacea Purpurea, Anti-viral properties and mode of action of standardized Echinacea purpurea extract against highly pathogenic avian Influenza virus (H5N1, H7N7) and swine-origin H1N1 (S-OIV)


Influenza virus (IV) infections are a major threat to human welfare and animal health worldwide. Anti-viral therapy includes vaccines and a few anti-viral drugs.

However vaccines are not always available in time, as demonstrated by the emergence of the new 2009 H1N1-type pandemic strain of swine origin (S-OIV) in April 2009, and the acquisition of resistance to neuraminidase inhibitors such as Tamiflu(R) (oseltamivir) is a potential problem.

Therefore the prospects for the control of IV by existing anti-viral drugs are limited.

As an alternative approach to the common anti-virals we studied in more detail a commercial standardized extract of the widely used herb Echinacea purpurea (Echinaforce(R), EF) in order to elucidate the nature of its anti-IV activity.

- Source

- All About Echinacea

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