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ninhydrin Syllabification: nin·hy·drin
Pronunciation: /ninˈhīdrin/

Definition of ninhydrin in English:


A synthetic crystalline compound that forms deeply colored products with primary amines and is used in analytical tests for amino acids.
Example sentences
  • The photochemistry of ninhydrin in benzene and water was studied by laser flash photolysis and electron paramagnetic resonance.
  • The clone expressing the g lactamase forms some amino acid product - this is readily detected by staining with ninhydrin.
  • After the chromatography was complete, dried plates were sprayed with a solution of 2% ninhydrin in acetone (w/v), followed by heating.


Early 20th century: from nin- (of unknown origin) + hydro- + -in1.

Definition of ninhydrin in:
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