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

(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

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.
References in periodicals archive ?
Allantoin market worldwide is projected to grow by US$220 Million, guided by a compounded growth of 5.5%.
Allantoin quantification was performed as described before (16), with minor modifications.
The allantoin concentration in milk and microbial protein synthesis for 45% and 50% of bagasse levels were similar to control diet.
Group A was given modified Kligman's formula (MKF) containing 2% hydroquinone, 0.025% tretinoin, 0.01% fluocinolone acetonide cream and group B was prescribed 2% kojic acid + octinoxate + allantoin containing gel daily at night.
Although its mechanism has not been fully elucidated, allantoin seems to help reduce inflammation, loosen protein bonds, and promote collagen formation.
The production of purine derivatives (allantoin present in milk and urine and uric acid), absorbed purines, and total purine production were not affected by diets in this study (Table 3).
These include isoprostanes, their metabolites and allantoin. Since isoprostanes were discovered, there have appeared a lot of evidence that they are reliable markers of oxidative damage in vivo and in vitro, relatively susceptible to quantitative determination in biological fluids.
We collected milk samples on day 11 in the afternoon and on day 12 in the morning of each period, making composite samples, with 1% of production for analysis of allantoin and total nitrogen.
In the third column, 25 [micro]g/mL of extract in DMEM/0.3% FBS was added to represent as test samples while, in the fourth column, 25 [micro]g/mL of allantoin in DMEM/0.3% FBS was added for comparative purposes.
Reviva Labs of Haddonfield, N.J., provides the natural Vitamin E, Soy and Allantoin sticks in lipstick-type tubes.
This three-step skin care system includes: Clarify & Illuminate Age Transformation Cleanser, using marine collagen to promote collagen production, and allantoin and manuka honey to reduce irritation and promote healing; Clarify & Illuminate Age Transformation Toner, utilizing acai berry as an age-defying ingredient due to its high polyphenol content; and Clarify & Illuminate Age Transformation Moisturizer, with vitamin C for its antioxidant protection along with sea buckthorn oil and olive oil.
It contains colloidal oatmeal, allantoin, vitamin E and skin conditioners to hydrate skin.