Skip to Content
Medical Term:

Schiff reagent

Pronunciation: shif


an aqueous solution of basic fuchsin or pararosaniline that is decolorized by sulfur dioxide; commonly prepared by addition of hydrochloric acid to a dye solution containing a metabisulfite or bisulfite salt; used for aldehydes and in histochemistry to detect polysaccharides, DNA, and proteins.

See: Feulgen stain, periodic acid–Schiff stain, ninhydrin-Schiff stain for proteins

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.