Defn: Pertaining to, or derived from, xanthoprotein; showing the characters of xanthoprotein; as, xanthoproteic acid; the xanthoproteic reaction for albumin.

XANTHOPROTEIN
Xan`tho*pro"te*in, n. [Xantho-+ protein.] (Physiol. Chem.)

Defn: A yellow acid substance formed by the action of hot nitric acid on albuminous or proteid matter. It is changed to a deep orange- yellow color by the addition of ammonia.

XANTHOPUCCINE
Xan`tho*puc"cine, n. [Xantho-+ puccoon + -ine.] (Chem.)

Defn: One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine.

XANTHORHAMNIN Xan`tho*rham"nin, n. [Xantho-+ NL. Rhamnus, the generic name of the plant bearing Persian berries.] (Chem.)

Defn: A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff.

XANTHORHIZA
Xan`tho*rhi"za, n. [NL., fr. Gr. xanqo`s yellow + "ri`za root.]
(Bot.)

Defn: A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow color; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic.

XANTHORHOEA
Xan`tho*rhoe"a, n. Etym: [NL., from Gr. xanqo`s yellow + (Bot.)