xanthoproteic reaction

noun

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

Etymology

International Scientific Vocabulary xanth- + proteic

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Cite this Entry

“Xanthoproteic reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xanthoproteic%20reaction. Accessed 29 Sep. 2022.

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