ninhydrin
(redirected from Ninhydrin protein assay)Also found in: Dictionary, Medical.
ninhydrin
[nin′hī·drən] (organic chemistry)
C9H4O3·H2O White crystals or powder with a melting point of 240-245°C; soluble in water and alcohol; used for the detection and assay of peptides, amines, amino acids, and amino sugars. Also known as triketohydrindene hydrate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.