Definition of xanthin

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Xanthin (n.) A crystalline nitrogenous body closely related to both uric acid and hypoxanthin, present in muscle tissue, and occasionally found in the urine and in some urinary calculi. It is also present in guano. So called from the yellow color of certain of its salts (nitrates)..

Lern More About Xanthin

Xanthin :: Xanthin (n.) One of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide..
Phylloxanthin :: Phylloxanthin (n.) A yellow coloring matter extracted from chlorophyll.
Eblanin :: Eblanin (n.) See Pyroxanthin.
Puri :: Puri (n.) See Euxanthin.
Sarkin :: Sarkin (n.) Same as Hypoxanthin.
Uroxanthin :: Uroxanthin (n.) Same as Indican.
Xanthin :: Xanthin (n.) A yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder..
Pyroxanthin :: Pyroxanthin (n.) A yellow crystalline hydrocardon extracted from crude wood spirit; -- called also eblanin.
Xanthinine :: Xanthinine (n.) A complex nitrogenous substance related to urea and uric acid, produced as a white powder; -- so called because it forms yellow salts, and because its solution forms a blue fluorescence like quinine..
Theobromine :: Theobromine (n.) An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate (from Theobroma Cacao) as a bitter white crystalline substance; -- called also dimethyl xanthine..
Euxanthic :: Euxanthic (a.) Having a yellow color; pertaining to, derived from, or resembling, euxanthin..
Extractive :: Extractive (n.) Any one of a large class of substances obtained by extraction, and consisting largely of nitrogenous hydrocarbons, such as xanthin, hypoxanthin, and creatin extractives from muscle tissue..
Frangulin :: Frangulin (n.) A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin..
Xanthophyll :: Xanthophyll (n.) A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin..
Paraxanthin :: Paraxanthin (n.) A crystalline substance closely related to xanthin, present in small quantity in urine..
Euxanthin :: Euxanthin (n.) A yellow pigment imported from India and China. It has a strong odor, and is said to be obtained from the urine of herbivorous animals when fed on the mango. It consists if a magnesium salt of euxanthic acid. Called also puri, purree, and Indian yellow..
Indican :: Indican (n.) An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin..
Purree :: Purree (n.) A yellow coloring matter. See Euxanthin.
Phycoxanthin :: Phycoxanthin (n.) Alt. of Phycoxanthin.
Carnin :: Carnin (n.) A white crystalline nitrogenous substance, found in extract of meat, and related to xanthin..
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