Medical Dictionary

biuret reaction

noun

medical Definition of biuret reaction

:a chemical reaction that produces a violet or purple color when biuret or most proteins are exposed to a reagent of copper sulfate in alkaline solution
Note: The biuret reaction is typically used to indicate the presence and concentration of protein in a test sample and occurs when the peptide bonds in a protein react with the copper ions to produce a violet or purple complex. The intensity of color in solution is proportional to the number of peptide bonds.

Seen and Heard

What made you want to look up biuret reaction? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

spoken rather than written

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!