Results 81 to 90 of about 796 (189)

Metabolomic Analysis of Two Parmotrema Lichens: P. robustum (Degel.) Hale and P. andinum (Mull. Arg.) Hale Using UHPLC-ESI-OT-MS-MS

open access: yesMolecules, 2017
Lichens are symbiotic associations of fungi with microalgae and/or cyanobacteria. Lichens belonging to the Parmeliaceae family comprise 2700 species of lichens, including the Parmotrema genus which is composed of 300 species.
Alfredo Torres-Benítez   +7 more
doaj   +1 more source

Secalonic acid A from Pseudoparmelia sphaerospora (Nyl.) Hale and P. hypomilta (Fée) Hale (Parmeliaceae)

open access: yes, 1995
Secalonic acid A, a yellow pigment from fungal metabolism, was isolated from the lichens Pseudoparmelia sphaerospora and P. hypomilta. From P. sphaerospora was also isolated the depsidone hypostictic acid.
Devincenzi, Izilda A. A.   +2 more
core  

Phytochemical profile and diverse pharmacology of Garcinia celebica L

open access: yesHeliyon
Garcinia celebica L. syn. Garcinia hombroniana Pierre belongs to the family Clusiaceae, is indigenous to Southeast Asian countries. This review aims to provide updated, comprehensive and categorized information on the phytoconstituents and ...
Nor Hidayah Mustafa   +4 more
doaj   +1 more source

Four new Caloplaca species with depsidones from Australia.

open access: yes, 2011
Four new Caloplaca species with depsidones are described, C. ochrolechioides S.Y. Kondr., Kärnefelt & Elix, with variolaric and isosubnotatic acids, C. phaeocincta S.Y. Kondr. & Elix, C. sconensis S.Y.Kondr., Kärnefelt & A.Thell, and C.
Elix, John A.   +3 more
core  

The identification of further new depsidones in the lichen Parmelia notata

open access: yes, 1984
Two new depsidones, 8-hydroxy-3-methoxy-1,6-dimethyl-11-oxo-11 H-dibenzo[b,e][1,4]dioxepin-7- carboxylic acid (subnotatic acid) (5) and 8-hydroxy-3-methoxy-1,6,9-trimethyl-11-oxo-11 H- dibenzo[b,e][1,4]dioxepin-7-carboxylic acid (isonotatic acid) (7 ...
L Lajide, JA Elix
core   +1 more source

Two New Depsidones From the Lichen Erioderma phaeorhizum Vainio sensu lato

open access: yes, 1993
The depsidones hypophysciosporin (methyl 2-chloro-3,8-dihydroxy-1,4,6,9-tetramethyl-11-oxo-11H-dibenzo[ b,e ][1,4]dioxepin-7-carboxylate) (9) and 3-O-methylhypophysciosporin (methyl 2-chloro-8-hydroxy-3-methoxy-1,4,6,9-tetra-11-oxo-11H-dibenzo[ b,e ][1,
JA Elix   +3 more
core   +1 more source

A new depsidone of Lobaria pulmonaria with acetylcholinesterase inhibition activity

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2012
The phytochemical investigation conducted on a foliose lichen, Lobaria pulmonaria(L.) Hoffm. (Lobariaceae), led to the isolation of a new depsidone in the form of its diacetate derivative which showed a moderate acetylcholinesterase inhibition activity (1 µg) in vitro.
Pejin   +11 more
openaire   +5 more sources

Depsidones from lichens as natural product inhibitors of M-Phase phosphoprotein 1, a human kinesin required for cytokinesis [PDF]

open access: yes, 2016
M-Phase Phosphoprotein 1 (MPP1), a microtubule plus end directed kinesin, is required for the completion of cytokinesis. Previous studies have shown that MPP1 is upregulated in various types of bladder cancer.
Talapatra, S.K.   +24 more
core   +1 more source

Secondary Metabolite Profiling of Species of the Genus Usnea by UHPLC-ESI-OT-MS-MS

open access: yesMolecules, 2017
Lichens are symbiotic associations of fungi with microalgae and/or cyanobacteria, which are considered among the slowest growing organisms, with strong tolerance to adverse environmental conditions.
Francisco Salgado   +11 more
doaj   +1 more source

Effect of Hypogymnia physodes Extracts and their Depsidones on Micronucleus Distribution in Human Lymphocytes

open access: yes, 2013
Three lichen depsidones, physodalic acid (1), physodic acid (2), and 3-hydroxy physodic acid (3), were isolated from Hypogymnia physodes diethyl ether extract using column chromatography, and their structures determined by comparing their UV, H-1 and C ...
Petrovic, Goran   +6 more
core  

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