Abstract
Biological and Chemical Analysis of Five Selected Lichen Species from Sagarmatha National Park of Nepal
Highlights
Lichens are unique organisms consisting fungi and algae in symbiotic association.[1]
This study showed that the two lichens L. retigera and L. japonica are good source of phenolics and flavonoids
Phenolic compounds such as depsides, depsidones and dibenzofuran are present in lichens and these compounds might be responsible for the antioxidant, antimicrobial, antitumor, antiviral and ant-allergicactivity since these compounds have capacity to donate hydrogen to free radicals.[21, 22]
Summary
Lichens are unique organisms consisting fungi and algae in symbiotic association.[1]. The major secondary metabolites found in lichens are dibenzofurans (e.g., usnic acid), depsides (e.g., gyophoric acid), depsidones (norstictic acid), xanthones and terpene derivatives.[7] Phenolic compounds like phenolic acids, flavonoids, and vitamins are the major secondary metabolites in lichens which exhibit potential antioxidant activities.
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