Feulgen method

Feulgen method

A tissue stain used to identify DNA, in which paraffin-embedded tissues are first hydrolysed with HCl, producing apurinic acid, followed by staining with Schiff’s reagent, resulting in a magenta-coloured nucleus.
References in periodicals archive ?
For the analysis of meiotic cells, the testicular follicles were processed by using the squash technique and then stained according to the conventional Feulgen method by using Schiff reactive after an acid hydrolysis with 1N HCL (hydrochloric acid) at 65[degrees]C for 25min (Feulgen & Rosenbech 1924).