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Usnea

A genus of lichen-forming fungi containing usnic acid and mucilage. Usnea barbata is used in HERBAL MEDICINE.
National Institutes of Health

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USNEA EXTRACT LIQUID,ORALaspects of radiation effectsphysiological aspects

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Usnea barbata <plant>

Papers overview

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Highly Cited
2012
Highly Cited
2012
Biological Activities of Toninia candida and Usnea barbata Together with Their Norstictic Acid and Usnic Acid Constituents
The aim of this study was to investigate the chemical composition of acetone extracts of the lichens Toninia candida and Usnea… Expand
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2009
2009
Carbon and nitrogen isotope composition of vegetation on King George Island, maritime Antarctic
We report abundance of 13C and 15N contents in terrestrial plants (mosses, lichens, liverworts, algae and grasses) from the area… Expand
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2009
2009
Optimization of culture conditions for lichen Usnea ghattensis G. Awasthi to increase biomass and antioxidant metabolite production.
Summary The aim of this study is to optimize the culture conditions for lichen Usnea ghattensis G. Awasthi in order to increase… Expand
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Highly Cited
2008
Highly Cited
2008
The delimitation of Antarctic and bipolar species of neuropogonoid Usnea (Ascomycota, Lecanorales): a cohesion approach of species recognition for the Usnea perpusilla complex.
Species of the Neuropogon group in the lichen genus Usnea have their centre of distribution in polar regions of the Southern… Expand
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2008
2008
Antioxidant and Hepatoprotective Activity of a Lichen Usnea ghattensis in Vitro
Antioxidative and hepatoprotective activity of a cultured lichen Usnea ghattensis has been studied. The methanolic extract of… Expand
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Highly Cited
2007
Highly Cited
2007
Heptaketides from Corynespora sp. inhabiting the cavern beard lichen, Usnea cavernosa: first report of metabolites of an endolichenic fungus.
Two new heptaketides, corynesporol (1) and 1-hydroxydehydroherbarin (2), along with herbarin (3) were isolated from an… Expand
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Highly Cited
2005
Highly Cited
2005
Antioxidant and antibacterial activities of lichen Usnea ghattensisin vitro
Various solvent extracts of the lichen Usnea ghattensis showed good antioxidant activity. A methanol extract prevented lipid… Expand
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Highly Cited
2005
Highly Cited
2005
Evaluation of antioxidant potential of the cultured mycobiont of a lichen Usnea ghattensis.
The biologically active compounds, antioxidant activities and free radical scavenging effects of dry matter of cultural medium… Expand
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Highly Cited
2004
Highly Cited
2004
Comparison of antioxidant activity and phenolic content of three lichen species.
The antioxidant activities (AA), reducing powers (RP) and total phenolic contents (TPC) of methanol and water extracts of three… Expand
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Highly Cited
1995
Highly Cited
1995
Usnic acid and diffractaic acid as analgesic and antipyretic components of Usnea diffracta.
Diffractaic acid and usnic acid were identified as the analgesic and antipyretic components of a lichen, Usnea diffracta. Both… Expand
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