Abstract
Yield-dose curves obtained from isotope dilution and paper chromatographic methods reveal that glucose and fructose are primary products of gamma -irradiation of aqueous sucrose solutions, together with smaller amounts of glucosone and gluconic acid. Glucuronic acid, 2-oxogluconic acid, arabinose, and two- and three-carbon aldehydic fragments arise in secondary processes. In the final stages carbon dioxide and formic acid are formed. Hydrogen peroxide is produced continuously. The amounts of volatile and non-volatile acid formed, and changes in optical rotation and absorption spectra, were determined. Thus, the degradation of sucrose is related to two types of oxidative scission of the disaccharide linkage. (auth)
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