xanthoproteic reaction

noun
xan·​tho·​proteic reaction
variants: or xanthoproteic test \¦zan(t)thə+...-​ \

Definition of xanthoproteic reaction 

: the reaction of warm concentrated nitric acid with tyrosine or tyrosine-containing proteins (as in human skin) to form a yellow color that is intensified to orange-yellow by the addition of alkali

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History and Etymology for xanthoproteic reaction

International Scientific Vocabulary xanth- + proteic

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