Results 11 to 20 of about 44,706 (210)

From Natural Xanthones to Synthetic C-1 Aminated 3,4-Dioxygenated Xanthones as Optimized Antifouling Agents

open access: yesMarine Drugs, 2021
Biofouling, which occurs when certain marine species attach and accumulate in artificial submerged structures, represents a serious economic and environmental issue worldwide. The discovery of new non-toxic and eco-friendly antifouling systems to control
Diana I. S. P. Resende   +11 more
doaj   +2 more sources

Xanthones of Lichen Source: A 2016 Update

open access: yesMolecules, 2016
An update of xanthones encountered in lichens is proposed as more than 20 new xanthones have been described since the publication of the compendium of lichen metabolites by Huneck and Yoshimura in 1996. The last decades witnessed major advances regarding
Pierre Le Pogam, Joël Boustie
doaj   +2 more sources

Chemical and Biological Research on Herbal Medicines Rich in Xanthones

open access: yesMolecules, 2017
Xanthones, as some of the most active components and widely distributed in various herb medicines, have drawn more and more attention in recent years.
Jingya Ruan   +7 more
doaj   +2 more sources

Xanthones Content in Swertia multicaulis D. Don from Nepal

open access: yesMolecules, 2018
The medicinal plant Swertia multicaulis D. Don was collected in Rasuwa District (Nepal) and the xanthone content of its ethyl acetate extracts was studied. The total amount of xanthones in S.
Binu Timsina   +6 more
doaj   +2 more sources

Structure–Activity Relationship of Xanthones as Inhibitors of Xanthine Oxidase

open access: yesMolecules, 2018
Polygala plants contain a large number of xanthones with good physiological activities. In our previous work, 18 xanthones were isolated from Polygala crotalarioides.
Ling-Yun Zhou   +5 more
doaj   +2 more sources

Molecular Docking and Multivariate Analysis of Xanthones as Antimicrobial and Antiviral Agents

open access: yesMolecules, 2015
Xanthones are secondary metabolites which have drawn considerable interest over the last decades due to their antimicrobial properties, among others. A great number of this kind of compounds has been therefore reported, but there is a limited amount of ...
Freddy A. Bernal, Ericsson Coy-Barrera
doaj   +2 more sources

Potential Of Mangosteen Xanthones As Anti-Oral Cancer Agents By Induction Of Apoptosis [PDF]

open access: yesInsisiva Dental Journal, 2012
The pericarp of mangosteen (Garcinia mangostana L.) is rich in various xanthones that are known to possess unique biological activities. The aim of this study was to determine of antiproliferative and cytotoxic activities of mangosteen xanthones.
Yani Corvianindya Rahayu
doaj   +2 more sources

Cytotoxic Xanthones from Hypericum stellatum, an Ethnomedicine in Southwest China

open access: yesMolecules, 2019
Hypericum stellatum, a species endemic to China, is used to treat hepatitis by several ethnic groups in Guizhou Province. This research was inspired by the traditional medicinal usage of H.
Yuanyuan Ji   +7 more
doaj   +2 more sources

Coumarins, Xanthones and Related Compounds

open access: yesMolecules, 2016
It has long been known that coumarins (γ-pyrones) and xanthones (α-pyrones) together form a large class of naturally occurring compounds exhibiting a wide range of biological activities.[...]
Pascal Richomme, Richomme, Pascal
openaire   +4 more sources

Etudes des xanthones dans les feuilles de Gentiana bavarica L. : Communication préliminaire

open access: yesCHIMIA, 1973
Ten xanthones have been isolated from the leaves of Gentiana bavarica L. by means of thin layer and column chromatography. The xanthones VI to X are new heterosides ; the determination of their structures will be described in a later paper.
Kurt Hostettmann   +2 more
doaj   +2 more sources

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