xanthein Chem.
(ˈzænθiːɪn)
Also -ine.
[ad. F. xanthéine (Frémy & Cloez, 1854), arbitrarily f. Gr. ξανθός yellow, to distinguish it from xanthine xanthin (1 b).]
That part of the yellow colouring-matter of flowers which is soluble in water: cf. xanthin 1 b.
| 1857 Miller Elem. Chem., Org. 546 The yellow substance which is soluble in water is termed xantheine: it..may be obtained from the yellow dahlia. 1864 Watts tr. Gmelin's Hand-bk. Chem. XVI. 513 Yellow of Flowers... the insoluble substance, called Xanthin by Frémy & Cloez, appears to correspond with Marquart's anthoxanthin; their Xantheïn, soluble in water, with Marquart's colourless extractive matter. |