Question

ninhydrin reacts to
a) glucose
b) amino acids
c)fatty acids
d)sterols​

Answer 1

Answer:

b) amino acids.

Explanation:

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Answer 2

Answer:

Amino acids

Explanation:

Ninhydrin reacts with the α-amino group of primary amino acids producing 'Ruhemann's purple'. The chromophore formed is the same for all primary amino acids. The intensity of the colour formed depends on the number and chemical nature of the amino groups being analysed. The optimum pH for the overall reaction is 5.5.