Abstract
SUMMARYSugars in red tart cherries (Prunus cerasus L. var. Montmorency) comprise 50‐60% of the total dry matter of the edible portion of the fruit. Paper, thin‐layer, and column chromatography were used to investigate the sugars present and changes in the main sugars during maturation. Seven sugars were found. Glucose and fructose comprised 99%, or more of the total sugars. Five reducing oligosaccharides in minute quantities were found by column and paper chromatography. These were not identified. Paper chromatography and the Dubois calorimetric procedure were used to quantitatively determine glucose and fructose. The ratio of glucose to fructose during ripening was constant, about 1.1‐1.0. On a dry‐weight basis, the sugars reached their highest level when the cherries became fully red, then dropped slightly and remained relatively constant during the rest of the harvest period. Recovery of glucose and fructose by this procedure was 100±3.7%.
Published Version
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