1981•Journal of the Science of Food and AgricultureRequires access

Estimation of hexose: Pentose ratios in solution using the phenol‐sulphuric acid method

Clive W. Ford

Abstract

Abstract A procedure is described whereby the proportion of hexose: pentose in solution may be determined spectrophotometrically. The method uses the phenol‐sulphuric acid reaction and a previously unreported ultraviolet adsorption band at 312‐325 nm in the reacted solutions. The λmax of this band increases with, and is linearly related to, the ratio of hexose to total sugars in the mixture, in the range 10‐80% hexose.

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Available abstract

Key concepts: Hexose, Pentose, Chemistry, Phenol, Chromatography, Pentose phosphate pathway, Adsorption, Nuclear chemistry