allantoin


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allantoin

 [ah-lan´to-in]
a crystalline substance from allantoic fluid and fetal urine, also produced synthetically; used as an astringent and keratolytic, often as a component in multi-ingredient dermatological medications.

al·lan·to·in

(ă-lan'tō-in),
A substance present in allantoic fluid, fetal urine, and elsewhere; also an oxidation product of uric acid and the end product of purine metabolism in animals other than humans and the other primates.

allantoin

/al·lan·to·in/ (ah-lan´to-in) a crystalline substance found in allantoic fluid, fetal urine, many plants, and produced synthetically; used topically as an astringent and keratolytic.

allantoin

(ə-lăn′tō-ĭn)
n.
An oxidation product of uric acid, C4H6N4O3, found in the urine of most mammals (except humans and related primates) as the metabolic end product of purine oxidation, and also found in some plants. It is also produced synthetically and is often used in cosmetics and pharmaceuticals.

allantoin

[əlan′tō·in]
a chemical compound (5-ureidohydantoin), C4H6N4O3, that occurs as a white crystallizable substance found in many plants and in the allantoic and amniotic fluids and fetal urine of primates. It is also present in the urine of mammals other than primates as a product of purine metabolism. The substance, which can be produced synthetically by the oxidation of uric acid, was once used to promote tissue growth in the treatment of suppurating wounds and ulcers.

allantoin

A drug used externally in the treatment of ACNE, usually in combination with other drugs.

allantoin

the heterocyclic end product of purine catabolism in some reptiles, and mammals other than primates.

allantoin

a crystalline substance, the product of purine metabolism and present in urine of most mammals except primates and Dalmation dogs, and in plants. At one time used topically to promote wound healing.
References in periodicals archive ?
The report provides allantoin prices in regional markets.
One cloth is large enough to use for the entire face, while and an infusion of allantoin and lavender soothe and condition the skin.
Analysis method for determining uric acid and allantoin and synthesized microbial protein from excreted purine derivatives in the urine:
3] system and petroleum ether (PE)-MeOH system, and sublimated with Sephadex LH-20 column and re-riming with MeOH, yielding eight compounds as p-hydroxycinnamic acid caffeic acid-4-0-[beta]-D-glucopyranoside, salicin, 7,8-dihydroxy coumarin, menthol, allantoin, palmitic acid and palmitamide, the structures were elucidated using [.
In the IO group, the levels of (uric acid, allantoin and blood sugar) were significantly increased (p<0.
2]S production, allantoin degradation and nitrate reduction.
The moisturizing effect of allantoin increases the water content of your skin's extracellular matrix and also enhances the exfoliation of your dead skin cells, increasing the smoothness of your skin.
Pegloticase--a recombinant formulation of porcine uricase, an enzyme not produced by humans--lowers serum uric acid by metabolizing urate into soluble allantoin that is excreted by the kidneys.
If you have sensitive skin, pick formulas with vitamin E, aloe or allantoin.
Alternatively use Pure Antibacterial Hand Wash, 98p for 250ml, formulated with a mild antibacterial agent to help remove everyday germs and contains allantoin and provitamin B5 to care for your skin.
Rasburicase catalyzes the oxidation of uric acid to allantoin, which is easily excreted by the kidney.
14) The spontaneous conversion of uric acid to allantoin also yields the oxidant hydrogen peroxide as a byproduct.