試題詳解

10. Ninhydrin has all these properties EXCEPT:
(A)It reacts with an amino acid by oxidatively deaminating its amino group.
(B) It can be used to detect the location of amino acids following chromatography.
(C)It produces a purple colored product upon reaction with alanine.
(D)  It produces a yellow product upon reaction with histidine.
(E)It can be used to quantify most amino acids.