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单词 melanurin
释义 melanurin Chem.|mɛləˈnjʊərɪn|
Also -ourine.
[f. Gr. µελαν-, µέλας black + οὖρον urine: see -in.]
Braconnot's term for indican of urine.
1844G. Bird Urin. Deposits 219 Melanourine and melanic acid.1845tr. Simon's Anim. Chem. (Syd. Soc.) I. 45 The blue and black pigments that..have received the names of cyanurin and melanurin.1880tr. H. von Ziemssen's Cycl. Med. IX. 387 A pigment which becomes black by oxidation on exposure of the urine to the air, and on addition of nitric acid (melanin, melanurin).
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