Hiraishi A
Tokyo Research Laboratory, Konishi Co. Ltd, Japan.
J Appl Bacteriol. 1988 Feb;64(2):103-5. doi: 10.1111/j.1365-2672.1988.tb02728.x.
Demethylmenaquinone and menaquinone mixtures from some species of enterobacteria were analysed by reverse-phase partition high-performance liquid chromatography. This method allowed clear separation and quantitative determination of these quinone components.