why-are-amino-acids-detectable-using-the-ninhydrin-test

Question

Why are amino acids detectable using the Ninhydrin test?

Accepted Answer

They contain primary amines that react with Ninhydrin.

Answer

They have aromatic side chains that absorb UV light.

Answer

They can form disulfide bonds that react with Ninhydrin.

Answer

They are chiral and rotate plane-polarized light.