Reacts with free amino acid s to yield CO2, NH3, and an aldehyde, the NH3 produced yielding a colored product (diketohydrindylidene-diketohydrinamine, a bi-indanedione derivative). SEE ALSO: n. reaction.
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nin·hy·drin nin-'hī-drən n a poisonous crystalline oxidizing agent C9H6O4 used esp. as an analytical reagent
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Nin·hy·drin (nin-hiґdrin) trademark for a preparation of triketohydrindene hydrate.Medical dictionary. 2011.