xanthine
xanthine
[ˈzanθiːn]
noun
[ˈzanθiːn]
noun
- [mass noun](Biochemistry)a crystalline compound found in blood and urine which is an intermediate in the metabolic breakdown of nucleic acids to uric acid
(生化)黄嘌呤 - A purine derivative; chem. formula: C5H4N4O2
嘌呤衍生物；化学分子式：C5H4N4O2
■[count noun]any of the derivatives of this, including caffeine and related alkaloids
黄嘌呤衍生物（如咖啡因、可可碱、茶碱等）
- mid 19th cent.: from xanthic (from Greek xanthos 'yellow' +-ic) + -ine
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