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  4. Ninhydrin test is used in identification of

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Q. Ninhydrin test is used in identification of

COMEDKCOMEDK 2007Biomolecules

Solution:

All $\alpha$-amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. This test is called ninhydrin test and is used for the detection of $\alpha$-amino acids.