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ninhydrin reaction


Definition: a test for proteins, peptones, peptides, and amino acids possessing free carboxyl and a-amino groups that is based upon the reaction with triketohydrindene hydrate; a blue color reaction is used to quantitate free amino acids (after hydrolysis and separation of the amino acids of a protein).

Synonym(s): triketohydrindene reaction

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.