1.
Chinese Traditional Patent Medicine
;
(12)1992.
Article
in Chinese
| WPRIM
| ID: wpr-680906
ABSTRACT
The stable brownish red phenylhydrazone compound formed by the combination of 5-hy- droxymethyl furfural with 2,4-dinitrophenylhydrazine showed the maximum absorption at 493nm wavelength of chromatic spectrum.So 5-hydroxymethyl furfural content can be deter- mined with dual wavelength TLC-scanning method.This method is simple,quick and accu- rate.