Antimicrobial, Antiviral and Cytotoxic Activity of New Zealand Lichens
- 1 November 1999
- journal article
- Published by Cambridge University Press (CUP) in The Lichenologist
- Vol. 31 (6) , 627-636
- https://doi.org/10.1006/lich.1999.0241
Abstract
A total of 69 species of lichens have been collected from various locations around New Zealand. Screening of extracts of these species for antimicrobial, antiviral and cytotoxic activity showed a high proportion with biological activity. Active extracts were generally from species known to contain phenolic compounds. Bioactivity-directed isolation work on Cladia retipora, Pseudocyphellaria glabra and P. homoeophylla led to the identification of usnic acid as the main antimicrobial, cytotoxic and antiviral component in these three species.Keywords
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