ALL meanings of ninhydrin
nin·hy·drin
N n - noun ninhydrin a white or yellow, toxic, crystalline or powdery compound, C 9 H 4 O 3 ⋅H 2 O, that reddens when heated above 100°C, a monohydrate, soluble in water or alcohol: used primarily as a reagent to detect the presence of various amino acids. 1
- noun ninhydrin (organic compound) The aromatic compound 2,2-dihydroxyindane-1,3-dione which is used as a reagent to detect amines. 1
- noun ninhydrin a chemical reagent used for the detection and analysis of primary amines, esp amino acids, with which it forms a derivative with an intense purple colour 0