ninhydrin reaction

(redirected from triketohydrindene reaction)
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nin·hy·drin re·ac·tion

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

nin·hy·drin re·ac·tion

(nin-hī'drin rē-ak'shŭn)
A procedure for proteins, peptones, peptides, and amino acids possessing free carboxyl and α-amino groups that is based on the reaction with triketohydrinene hydrate; a blue color reaction is used to quantitate free amino acids.
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