Results 31 to 40 of about 1,590 (200)

Depside and Depsidone Synthesis in Lichenized Fungi Comes into Focus through a Genome-Wide Comparison of the Olivetoric Acid and Physodic Acid Chemotypes of Pseudevernia furfuracea

open access: yesBiomolecules, 2021
Primary biosynthetic enzymes involved in the synthesis of lichen polyphenolic compounds depsides and depsidones are non-reducing polyketide synthases (NR-PKSs), and cytochrome P450s.
Garima Singh   +3 more
doaj   +1 more source

Phytochemical Investigation of New Algerian Lichen Species: Physcia Mediterranea Nimis

open access: yesMolecules, 2021
The present study provides new data concerning the chemical characterisation of Physcia mediterranea Nimis, a rare Mediterranean species belonging to the family Physciaceae. The phytochemical screening was carried out using GC-MS, HPLC-ESI-MS-MS, and NMR
Marwa Kerboua   +7 more
doaj   +1 more source

Citrus reticulata Blanco: A Review on Chemical Composition and Biological Activities. [PDF]

open access: yesChem Biodivers
This review compiles chemical information and biological activities from 49 studies on Citrus reticulata. The fruit peels stand out for their high content of methoxylated monoterpenes and flavonoids with antioxidant, anti‐inflammatory, and antimicrobial activities.
Castro JWG   +3 more
europepmc   +2 more sources

Depsides: lichen metabolites active against hepatitis C virus. [PDF]

open access: yesPLoS ONE, 2015
A thorough phytochemical study of Stereocaulon evolutum was conducted, for the isolation of structurally related atranorin derivatives. Indeed, pilot experiments suggested that atranorin (1), the main metabolite of this lichen, would interfere with the ...
Thi Huyen Vu   +6 more
doaj   +1 more source

The Impact of Different Cultivation Systems on the Content of Selected Secondary Metabolites and Antioxidant Activity of Carlina acaulis Plant Material

open access: yesMolecules, 2019
Roots and leaves of Carlina acaulis L. are still used in ethnomedicine in many European countries; however, the limited occurrence of the plants and protection of this species necessitate a search for alternative ways for obtaining this plant material ...
Maciej Strzemski   +8 more
doaj   +1 more source

Actividad antioxidante de los polifenoles de HYPOGYMNIA TAVARESII D. HAWKSW. & P. JAMES

open access: yesQuímica Nova, 2016
Lichen substances have more than one phenolic hydroxyl group attached to one or more benzene rings, thus qualifying them as polyphenols. The secondary metabolites isolated from the lichen H.
Elsa M. Rodríguez Pérez   +4 more
doaj   +1 more source

Anticancer Potential of Lichens’ Secondary Metabolites

open access: yesBiomolecules, 2020
Lichens produce different classes of phenolic compounds, including anthraquinones, xanthones, dibenzofuranes, depsides and depsidones. Many of them have revealed effective biological activities such as antioxidant, antiviral, antibiotics, antifungal, and
Zuzana Solárová   +5 more
doaj   +1 more source

Radical-scavenging Potential of Phenolic Compounds from Brazilian Lichens

open access: yesOrbital: The Electronic Journal of Chemistry, 2015
Lichens produce a wide range of phenolic substances, mostly depsides and depsidones. As part of our ongoing study of lichens from the Cerrado biome in Mato Grosso do Sul state, the present article reports novel findings on the radical-scavenging ...
Neli Kika Honda   +7 more
doaj   +3 more sources

The isolation, analytical characterization by HPLC-UV and NMR spectroscopy, cytotoxic and antioxidant activities of baeomycesic acid from Thamnolia vermicularis var. subuliformis [PDF]

open access: yesHemijska Industrija, 2011
The aim of this work was the analytical characterization of the β-orcinol depside, baeomycesic acid in lichens extracts. The extract of Thamnolia vermicularis var.
Manojlović Nedeljko T.   +5 more
doaj   +1 more source

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