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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Carle, "Identification of flavonol and Xanthone glycosides from mango (Mangifera indica L.
Morelli, "A xanthone from Senecio mikanioides leaves," Phytochemistry, vol.
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.39 Ibrahim SR, Mohamed G Ain their study concluded that Litche fruit exhibit anti-cancer activity.40 Hsu CP et al concluded that Litchi seed extract can Induce apoptosis and cell cycle arrest in human colorectal carcinoma.41 In this study 57.33% and 17.33% dental graduates answered that Leechy and Mangosteen and respectively exhibit anti-carcinogenic effect.
Previously some coumarin xanthone flavonoid and cyclohexadiene derivatives were isolated from plants belonging to the Clusiaceae family [5-8].
XANTHATE'S XANTHEN'S XANTHINE'S XANTHONE Xanthate's xanthen's xanthine's xanthone.
Acorus calamus was used by the TMP for treatment of asthma; various constituents of the plant like phenyl propanoids, sesquiterpenes, monoterpenes, xanthone glycosides, flavones, lignans, and steroids possess properties, which include anticonvulsant and smooth muscle relaxant properties and which properties justifies the use of the plant for treatment of asthma (Divya et al., 2011).
Xanthone derivatives and flavonoids have shown antimicrobial, (19) anti-Leishmania, (20) antiprotozoal and cytotoxic (21) activities.