xanthin

xanthin

[zan-thin]
noun
1.
the part of the coloring matter in yellow flowers that is insoluble in water. Compare xanthein.
2.
a yellow coloring matter in madder.

Origin:
1830–40; < French xanthine or < German Xanthin. See xantho-, -in2

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World English Dictionary
xanthin (ˈzænθɪn)
 
n
any of a group of yellow or orange carotene derivatives that occur in the fruit and flowers of certain plants

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