Definition of Xanthin. Meaning of Xanthin. Synonyms of Xanthin

Here you will find one or more explanations in English for the word Xanthin. Also in the bottom left of the page several parts of wikipedia pages related to the word Xanthin and, of course, Xanthin synonyms and on the right images related to the word Xanthin.

Definition of Xanthin

Xanthin
Xanthin Xan"thin, n. [Gr. xanqo`s yellow.] 1. (Physiol. Chem.) 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). 2. (Chem.) A yellow insoluble coloring matter extracted from yellow flowers; specifically, the coloring matter of madder. [Formerly written also xanthein.] 3. (Chem.) One of the gaseous or volatile decomposition products of the xanthates, and probably identical with carbon disulphide. [Obs.]
Xanthin
Xanthine Xan"thine, n. Also Xanthin Xan"thin . [Gr. xanqo`s yellow.] (Physiol. Chem.) A white microcrystalline nitrogenous compound, C5H4O2N4, present in muscle tissue, in the liver, spleen, pancreas, and other organs, and also in urine (in small quantities) and some urinary calculi, and in the juices of certain plants; -- so called because it leaves a yellow residue when evaporated to dryness with nitric acid. Xanthine is closely related to uric acid.

Meaning of Xanthin from wikipedia

- Chemistry. The MacMillan Company. Fischer, Emil (1882). "Umwandlung des Xanthin in Theobromin und Caffein". Berichte der Deutschen Chemischen Gesellschaft...
- 7-Methylxanthine (7-MX), also known as heteroxanthine, is an active metabolite of caffeine (1,3,7-trimethylxanthine) and theobromine (3,7-dimethylxanthine)...
- Str****burg, Germany: K.J. Trübner. p. 19. Kossel A (1882). "Ueber Xanthin und Hypoxanthin" [On xanthin and hypoxanthin]. Zeitschrift für physiologische Chemie....
- (1861). "Untersuchungen über die chemischen Beziehungen zwischen Guanin, Xanthin, Theobromin, Caffeïn und Kreatinin" [Studies on the chemical relationships...
- Varia Historia (12.14), describes Alexander's hair color as "ξανθὴν" (xanthín), which at the time, could mean blond, brown, tawny (light brown) or auburn...
- die Constitution des Caffeïns, Xanthins, Hypoxanthins und verwandter Basen" [On the constitution of caffeine, xanthin, hypoxanthin, and related bases...
- Reptiles often possess at least two pigments. Among the most common are xanthin (yellow) and erythrin (red). An amelanistic reptile therefore, may still...
- 189502803156. Traube W (1900). "Der synthetische Aufbau der Harnsäure, des Xanthins, Theobromins, Theophyllins und Caffeïns aus der Cyanessigsäure" [The synthetic...
- 1983. The occurrence of paralytic s****fish toxins in two species of xanthin crab from Suva barrier reef, Fiji Islands. Toxicon. (21)4: 547 - 51 Raju...
- retired in 1951. He died in Edinburgh on 1963. On the Decomposition of Xanthin and Caffeine in the Organism of Man (1912) (dissertation) Recent Observations...