has progressively replaced the prescribed Thin Layer Chromatography (TLC) test for the determination of Ninhydrin-positive substances in individual amino acid monographs with the general monograph 2.2 ...

Lysine is one of the essential amino acids that the body cannot make and that people need to obtain from dietary sources. Lysine, also called L-lysine, is an amino acid necessary for many bodily ...

An aliquot of the ketoacid extract was also hydrogenated in an acid medium in an electrolytic desalter; partition chromatography was then used to identify the regenerated amino acids. Note the ...

The ninhydrin reaction, generally prescribed by pharmacopoeias for the TLC detection of amino acids, is worth illustrating although TLC analyses of amino acids are not part of the laboratory ...