... are antimicrobial condensation products of allantoin with formaldehyde. "Allantoin". "CAS # 97-59-6, Allantoin, 5- ... In fish, allantoin is broken down further (into ammonia) before excretion. Allantoin has been shown to improve insulin ... Chemically synthesized bulk allantoin, which is chemically equivalent to natural allantoin, is safe, non-toxic, compatible with ... Mutants in the B. subtilis pucI gene were unable to grow on allantoin, indicating that it encodes an allantoin transporter. In ...

... allantoin Hence, this enzyme has one substrate, (S)(+)-allantoin, and one product, (R)(-)-allantoin. This enzyme belongs to the ... In enzymology, an allantoin racemase ({EC 5.1.99.3) is an enzyme that catalyzes the chemical reaction (S)(+)-allantoin ⇌ {\ ... The systematic name of this enzyme class is allantoin racemase. This enzyme participates in purine metabolism. Van der Drift L ... Vogels GD, Van der Drift C (1975). "Allantoin racemase: a new enzyme from Pseudomonas species". Biochim. Biophys. Acta. 391 (1 ...

... rearranges to allantoin. Oksanen E, Blakeley MP, El-Hajji M, Ryde U, Budayova-Spano M (2014-01-23). "The ...

Examples include carbamide peroxide, allantoin, and hydantoin. Ureas are closely related to biurets and related in structure to ...

These include ammonia, allantoin, uric acid, and urea. Arthropod hormones are present, most notably the juvenile hormone. ...

Van der Drift L, Vogels GD, Van der Drift C (1975). "Allantoin racemase: a new enzyme from Pseudomonas species". Biochim. ...

Similarly to rasburicase, it metabolises uric acid to allantoin. This reduces the risk of precipitates, since allantoin is five ...

For this purpose, it is sometimes combined with allantoin. It binds to the hair shaft readily, so, it is a common component of ...

... can also be synthesized either by heating allantoin with hydroiodic acid or by "heating bromacetyl urea with ... He obtained it by hydrogenation of allantoin, hence the name. Friedrich Urech synthesized 5-methylhydantoin in 1873 from ...

When heated with urea to 100 °C, it forms allantoin. By continued boiling of its aqueous solution it is decomposed into carbon ...

It is a crystalline acid obtained by hydrolysis of allantoin. In nature, allantoic acid is produced from allantoin by the ...

Plantain contains phytochemicals including allantoin, aucubin, ursolic acid, flavonoids, and asperuloside. Plantain extract has ...

In enzymology, an allantoinase (EC 3.5.2.5) is an enzyme that catalyzes the chemical reaction (S)-allantoin + H2O ⇌ {\ ... The systematic name of this enzyme class is (S)-allantoin amidohydrolase. This enzyme participates in purine metabolism. ... displaystyle \rightleftharpoons } allantoate Thus, the two substrates of this enzyme are (S)-allantoin and H2O, whereas its ...

It is the third step of the conversion of uric acid (a purine derivative) to allantoin. Step one is catalysed by urate oxidase ... Kim K, Park J, Rhee S (2007). "Structural and functional basis for (S)-allantoin formation in the ureide pathway". J Biol Chem ... It catalyses the decarboxylation of 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline (OHCU) into S(+)-allantoin. ...

This is converted to 5-hydroxyisourate, which decarboxylates to allantoin and allantoic acid. After hydrolyzing one urea, this ...

First identification of allantoin, C4H6N4O3 in Kahf Kharrat Najem Cave, United Arab Emirates. International Journal of ...

... is the first enzyme in a pathway of three enzymes to convert uric acid to S-(+)-allantoin. After uric acid is ... This means that instead of producing allantoin as the end product of purine oxidation, the pathway ends with uric acid. This ... However, humans lack the subsequent enzyme HIU hydroxylase in the pathway to degrade uric acid to allantoin, so long-term urate ... allantoin + CO2 Urate oxidase is mainly localised in the liver, where it forms a large electron-dense paracrystalline core in ...

In 1960, Sunsilk Tonic shampoo was launched, containing the skin healing ingredient Allantoin. In 1961, Sunsilk Liquid shampoo ...

Prasad, P. V. D. (1983). Hypoxanthine and allantoin as nitrogen sources for the growth of some freshwater green algae. New ... Lemmermannia tetrapedia can use hypoxanthine and allantoin as the only nitrogen source for photosynthesis, which indicates that ...

"Fabrication and characterization of scaffolds containing different amounts of allantoin for skin tissue engineering". ...

... allantoin-from the comfrey plant or cow urine-found in shampoos, moisturizers and toothpaste; and carmine from scale insects, ...

Other ingredients include aloe vera, allantoin, horsetail, apricot oil, jojoba oil, blueberry extract, and chamomile. All ...

The name is derived from allantoin, a product of uric acid excreted by the fetus into the allantois, and oxaluric acid derived ... The name "Alloxan" emerged from an amalgamation of the words "allantoin" and "Oxalsäure" (oxalic acid). The alloxan model of ...

His research included studies of nitrites, allantoin, aromatic glycols and on the synthesis of citric acid. Also, he conducted ...

It is a recombinant version of urate oxidase, an enzyme that metabolizes uric acid to allantoin. Urate oxidase is known to be ... Rasburicase catalyzes enzymatic oxidation of poorly soluble uric acid into an inactive and more soluble metabolite allantoin ...

In almost all land animals, urate oxidase further catalyzes the oxidation of uric acid to allantoin, but in humans and most ... The evolutionary reasons for this loss of urate conversion to allantoin remain the topic of active speculation. The antioxidant ...

14 is an early-season variety that high in allantoin and potassium and resistant to comfrey rust. Lower in allantoin and higher ... The plant parts of Russian comfrey are used for medicinal purposes (mainly because of the allantoin content). They are made ...

... is only able to grow in the presence of uric acid, allantoin, or allantoic acid. This species has been ... Bacillus fastidious has the ability to use uricase to degrade uric acid to allantoin, and then use allantoinase to degrade ... allantoin to allantoate. It also has the ability to further break down allantoate to ammonia and ureidoglycolate via the enzyme ...

... has also announced the addition of vitamins C, B6, E and allantoin to their product. Glow & Lovely is widely ...

Comfrey contains mixed phytochemicals in varying amounts, including allantoin, mucilage, saponins, tannins, pyrrolizidine ...