The `alpha`-amino acid which does not give purple colour in the ninhyd – InterviewSolution

InterviewSolution

1.	The `alpha`-amino acid which does not give purple colour in the ninhydrin test isA. prolineB. glycineC. PhenylalanineD. aspartic acid
Answer» Correct Answer - A Ninhydrin test is highly specific for primary amines. Proline being a secondary amine gives a yellow orange colour with Nlnhydrin whereas all other `alpha`-amino acids give a blue purple colour with Ninhydrin.

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