xanthopterin


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xan·thop·ter·in

 (zăn-thŏp′tər-ĭn)
n.
A yellow pigment found in many insects, especially in the wings of certain butterflies and moths, and also present in the urine of mammals.

xanthopterin

(zænˈθɒptərɪn)
n
(Chemistry) chem a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
References in periodicals archive ?
The St Margaret team's winning idea involved extracting the chemical Xanthopterin from the Oriental hornet - with the students inspired by the chemical reactions within the insect.
The structure of the yellow segments enabled the hard cuticle to trap the light and the distinct pigment within the yellow cuticle, xanthopterin, was actually able to "harvest" the energy from that light.
Failure of testosterone or xanthopterin to influence the induction of renal neoplasms'by lead in rats.
And when Plotkin and his colleagues extracted a yellow pigment called xanthopterin from the hornet's outer shell and plopped it into a solar cell that uses dyes to absorb light, the device squeaked out some electricity.
The hornet's yellow tissues contained the obscure pigment xanthopterin, which gives butterfly wings and mammal urine their color.