leucopterin

noun

leu·​cop·​te·​rin

lüˈkäptərə̇n

: a crystalline alkali-soluble compound H₂NC₆N₄(OH)₃ that constitutes the white pigment of cabbage butterflies and other lepidoptera and wasps and is convertible into xanthopterin on reduction; 2-amino-4,6,7-trihydroxy-pteridine

Word History

Etymology

International Scientific Vocabulary leuc- + pterin

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