xanthoproteic test

xan·tho·pro·te·ic test

noun \ˌzan-thə-prō-ˈtē-ik-\

Definition of XANTHOPROTEIC TEST

: a test for the detection of proteins in which concentrated nitric acid reacts with the proteins to form a yellow color that is intensified to orange-yellow by the addition of alkali—called also xanthoproteic reaction