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.

xanthin

/ ˈzænθɪn /

noun

1. any of a group of yellow or orange carotene derivatives that occur in the fruit and flowers of certain plants

Word History and Origins

Origin of xanthin¹

1830–40; < French xanthine or < German Xanthin. See xantho-, -in ²

Example Sentences

The xanthin group is almost without any excitatory action, and its metabolic end products are constant.

From Project Gutenberg

Xanthin and catechol browns are pleasing in appearance, but their effect is less rich than that obtained with potash.

From Project Gutenberg

In the roots three coloring matters are obtained: alizarin and purpurin, which are both red, and xanthin, which is yellow.

From Project Gutenberg