Results 11 to 20 of about 46,318 (209)
Bioactive Marine Xanthones: A Review [PDF]
Marine Drugs, 2022 The marine environment is an important source of specialized metabolites with valuable biological activities. Xanthones are a relevant chemical class of specialized metabolites found in this environment due to their structural variety and their ...
José X. Soares +5 more
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Xanthones of Lichen Source: A 2016 Update
Molecules, 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
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Chemical and Biological Research on Herbal Medicines Rich in Xanthones
Molecules, 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
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Xanthones Content in Swertia multicaulis D. Don from Nepal
Molecules, 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
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Structure–Activity Relationship of Xanthones as Inhibitors of Xanthine Oxidase
Molecules, 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
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Xanthones from Swertia punctata
Phytochemistry, 2002 Isolation of 1-O-primeverosyl-3,8-dihydroxy-5-methoxyxanthone and 1-O-gentiobiosyl-3,7-dimethoxy-8-hydroxyxanthone, along with five known xanthones, isobellidifolin, methylbellidifolin, isoswertianin, methylswertianin and norswertianin-1-O-beta-D-glucoside, from the roots of Swertia punctata is reported. In the aerial parts four xanthones, bellidifolin,
Menkovic, N +7 more
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Coumarins, Xanthones and Related Compounds
Molecules, 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
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Xanthones from Hypericum roeperanum
Phytochemistry, 1996 Four new xanthones have been isolated from the roots of Hypericum roeperanum. Their structures have been established by a combination of spectroscopic and chemical methods as 1,6-dihydroxy-5-methoxy-4',5'-dihydro-4',4',5'-trimethylfurano- (2',3':3,4)-xanthone (5-O-methyl-2-deprenylrheediaxanthone B), 1,6-dihydroxy-5-methoxy-6',6'-dimethylpyrano-(2',3 ...
Rath G +3 more
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Cytotoxic Xanthones from Hypericum stellatum, an Ethnomedicine in Southwest China
Molecules, 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
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Xanthone Glucosides: Isolation, Bioactivity and Synthesis
Molecules, 2021 Xanthones are secondary metabolites found in plants, fungi, lichens, and bacteria from a variety of families and genera, with the majority found in the Gentianaceae, Polygalaceae, and Clusiaceae. They have a diverse range of bioactivities, including anti-
Qing Huang +5 more
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