xanthone


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xanthone

[′zan‚thōn]
(organic chemistry)
CO(C6H4)2O White needle crystals that are found in some plant pigments; insoluble in water, soluble in alcohol, chloroform, and benzene; melts at 173°C, sublimes at 350°C; used as a larvicide, as a dye intermediate, and in perfumes and pharmaceuticals.
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Several compounds in the pericarp of the mangosteen have recently been identified, mainly polyphenolic compounds including anthocyanins, xanthones, garcinone E, 8-deoxygartanin, gartanin, prenylated xanthones, and condensed tannin [1, 2].
Shan T et in their study concluded that Xanthones from mangosteen extracts acts natural chemopreventive agents.
depressant activities of xanthones from Calophyllum inophyllum and Mesua ferrea.
Globulixanthone F, a new polyoxygenated xanthone with an isoprenoid group and two antimicrobial biflavonoids from the stem bark of Symphonia globulifera.
kola are biflavonoids, which are potent antioxidants and xanthones and benezophenones [11].
The leaves contain good amount of xanthone and glucoside, mango seed kernels contain a considerable amount of phenolic compounds, lipids, unsaponifiable matter, and a low amount of crude protein [1].
Mangosteen attenuated inflammation and insulin resistance in cultured human fat storage cells; and an isolated mangosteen xanthone reduced oxidative damage in rat brains.
Analysis of AgroLabs' mangosteen supplement has revealed that it contains the most active organic compounds of xanthone and alpha mangostin compared to competing supplements.
The radiation activatable groups R are the same or different and are selected from the group consisting of: a) acetophenone, benzophenone, anthraquinone, xanthone, thioxanthone, camphorquinone, terephthalophenone benzil, fluorenone, -ketocoumarin and acetophenone-, benzophenone-, anthraquinone-, xanthone-, thioxanthone-, camphorquinone-, terephthalophenone-, benzil-, fluorenone- and -ketocoumarin-derivatives.