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Question
The correct structure of Rhumann's Purple, the compound formed in the reaction of ninhydrin with proteins is:
The correct structure of Rhumann's Purple, the compound formed in the reaction of ninhydrin with proteins is:
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Solution
The correct option is B
All α− amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. The purple coloures complex is Ruhemann's purple. This test is called ninhydrin test and is used for the detection of α− amino acids.
All α− amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. The purple coloures complex is Ruhemann's purple. This test is called ninhydrin test and is used for the detection of α− amino acids.
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