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.
Origin of allantoinallanto(is) -in
- (biochemistry) A diureide of glyoxylic acid, used in various pharmaceutical and cosmetic products; or a derivative of this compound
From allantois, an amniote embryonic excretory organ in which it concentrates during development in most mammals