allantoin

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allantoin

[ə′lan·tə′wən]
(biochemistry)
C4H6N4O3 A crystallizable oxidation product of uric acid found in allantoic and amniotic fluids and in fetal urine.
References in periodicals archive ?
For the pharmacological effect and clinical efficacy of comfrey preparation at topical application three major constituents of comfrey might be responsible: the purin derivative allantoine, rosmarinic acid and the mucilages (polysaccharides) (Wagner and Wiesenauer, 2003).