Results 41 to 50 of about 911 (189)

"Ramalina carminae" (Ascomycota: "Ramalinaceae"), una especie nueva de Europa [PDF]

open access: yes, 2011
Ramalina carminae is described as new to science. The new species is found in several localities in Portugal and Spain and in one locality in Sardinia (Italy).
Araújo, Elena   +2 more
core   +2 more sources

New depsidones and isoindolinones from the mangrove endophytic fungus Meyerozyma guilliermondii (HZ-Y2) isolated from the South China Sea

open access: yesBeilstein Journal of Organic Chemistry, 2015
Three new depsidones, botryorhodines E–G (1–3), and two new isoindolinones, meyeroguillines A and B (7 and 9), along with five known compounds were isolated from an endophytic fungus Meyerozyma guilliermondii, derived from the mangrove plant Kandelia ...
Senhua Chen   +5 more
doaj   +1 more source

2, 4, 6-Trihidroksi Benzofenon Dari Kulit Batang Garcinia Balica Miq [PDF]

open access: yes, 2017
Penelitian ini bertujuan untuk mengisolasi senyawa metabolit sekunder dari ekstrak etil asetat kulit batang Garcinia Balica Miq. Proses ekstraksi dengan pelarut etil asetat didapatkan fraksi kering, kemudian difraksinasi menggunakan metode Kromatografi ...
Ersam, T. (Taslim)   +1 more
core   +1 more source

Die Gattung Aspicilia, ihre Ableitungen nebst Bemerkungen tiber cryptolecanorine Ascocarporganisation bei anderen Genera der Lecanorales (Ascomycetes lichenisati). [PDF]

open access: yes, 1991
Innerhalb der Gattung Aspicilia coll. werden einige Evolutionslinien aufgezeigt und taxonomische wie nomenklatorische Konsequenzen für gewtihnlich als Sphaerothallia Nees bezeichnete Arten werden diskutiert.
Hafellner, Josef
core   +4 more sources

Depsidone Derivatives and a Cyclopeptide Produced by Marine Fungus Aspergillus unguis under Chemical Induction and by Its Plasma Induced Mutant

open access: yesMolecules, 2018
A new depsidone derivative (1), aspergillusidone G, was isolated from a marine fungus Aspergillus unguis, together with eight known depsidones (2‒9) and a cyclic peptide (10): agonodepside A (2), nornidulin (3), nidulin (4), aspergillusidone F (5 ...
Wen-Cong Yang   +6 more
doaj   +1 more source

Cytotoxicity of Alkyl Derivatives of Protocetraric Acid

open access: yesOrbital: The Electronic Journal of Chemistry
The protocetraric acid (1) is a depsidone produced by countless species of lichens and has shown potential biological activity. In this work, we evaluated through the sulforhodamine B (SRB) assay the cytotoxic activity of seven alkyl ether derivatives ...
Danielle Bogo   +4 more
doaj   +1 more source

Sample preparation for an optimized extraction of localized metabolites in lichens: Application to Pseudevernia furfuracea [PDF]

open access: yes, 2016
International audienceLichens are symbiotic organisms known for producing unique secondary metabolites with attractive cosmetic and pharmacological properties.
Bazureau, Jean-Pierre   +11 more
core   +3 more sources

Brevipsidone, a New Depsidone and Other α-Glucosidase Inhibitors from (Clusiaceae)

open access: yesNatural Product Communications, 2007
Brevipsidone (1), a new depsidone was isolated from the methanol extract of the stem bark of Garcinia brevipedicellata together with known damnacanthal (2), pilloin (3), scopoletin (4).
Joseph Ngoupayo   +7 more
doaj   +1 more source

Constituintes químicos de Parmotrema lichexanthonicum Eliasaro & Adler: isolamento, modificações estruturais e avaliação das atividades antibiótica e citotóxica Chemical constituents of parmotrema lichexanthonicum Eliasaro & Adler: isolation, structure modification and evaluation of antibiotic and cytotoxic activities

open access: yesQuímica Nova, 2009
From the lichen Parmotrema lichexantonicum were isolated the depsidone salazinic acid, the xanthone lichexanthone, and the depside atranorin. The two major compounds, salazinic acid and lichexanthone, were selected for structure modifications.
Ana C. Micheletti   +8 more
doaj   +1 more source

Hepatoprotective activity of depsidone enriched Cladonia rangiferina extract against alcohol-induced hepatotoxicity targeting cytochrome P450 2E1 induced oxidative damage

open access: yesSaudi Pharmaceutical Journal, 2020
Alcoholic liver disease (ALD) is a broad-spectrum disorder, covering fatty liver, cirrhosis, alcoholic hepatitis and in extreme untreated condition hepatocellular carcinoma (HCC) may also develop.
Ila Shukla   +8 more
doaj   +1 more source

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