thiochrome method

thi·o·chrome meth·od

a method for the determination of thiamin based upon the production of thiochrome when the vitamin is oxidized by alkaline ferricyanide to yield the fluorescent compound, thiochrome.
References in periodicals archive ?
In October 1938, six months after I had joined Kraft, he asked me to use the recently published Jansen thiochrome method to determine the vitamin B 1 (thiamin) in Vegemite.
In the early 1940s, RA Bottomley at Kimptons in Melbourne began to use the thiochrome method to study thiamin in flours and later measure riboflavin.
A reliable semi-automated method for the determination of total thiamin in whole blood by the thiochrome method with high performance liquid chromatography.