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The yellow nitrophenyl product formed when protein is treated with hot, concentrated nitric acid, probably from nitration of phenyl groups.
Farlex Partner Medical Dictionary © Farlex 2012
xanthoprotein(zan″thŏ-prō′tēn″, prō′tē-ĭn) [ xantho- + protein]
A yellow substance produced by heating proteins with nitric acid.
Medical Dictionary, © 2009 Farlex and Partners