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

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..
Xanthin :: 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)..
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..
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..
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..
Puri :: Puri (n.) See Euxanthin.
Purree :: Purree (n.) A yellow coloring matter. See Euxanthin.
Phylloxanthin :: Phylloxanthin (n.) A yellow coloring matter extracted from chlorophyll.
Xanthin :: Xanthin (n.) A yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder..
Frangulin :: Frangulin (n.) A yellow crystalline dyestuff, regarded as a glucoside, extracted from a species (Rhamnus Frangula) of the buckthorn; -- called also rhamnoxanthin..
Eblanin :: Eblanin (n.) See Pyroxanthin.
Sarcin :: Sarcin (n.) Same as Hypoxanthin.
Hypoxanthin :: Hypoxanthin (n.) A crystalline, nitrogenous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially in muscle tissue; -- called also sarcin, sarkin..
Xanthic :: Xanthic (a.) Of or pertaining to xanthin.
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..
Pyroxanthin :: Pyroxanthin (n.) A yellow crystalline hydrocardon extracted from crude wood spirit; -- called also eblanin.
Phycoxanthin :: Phycoxanthin (n.) Alt. of Phycoxanthin.
Xanthophyll :: Xanthophyll (n.) A yellow coloring matter found in yellow autumn leaves, and also produced artificially from chlorophyll; -- formerly called also phylloxanthin..
Uroxanthin :: Uroxanthin (n.) Same as Indican.
Carnin :: Carnin (n.) A white crystalline nitrogenous substance, found in extract of meat, and related to xanthin..
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