ninhydrin
/nɪnˈhaɪdrɪn/
noun
- A chemical compound that reacts with amino acids to produce a purple or blue color, used in laboratories to detect proteins or fingerprints.
- The forensic scientist used ninhydrin to reveal hidden fingerprints on the paper.
- In the biology lab, ninhydrin turned the sample purple, indicating the presence of amino acids.
- Ninhydrin is a common reagent in crime scene investigations for developing latent prints.