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Effects of Dietary Sucrose Levels on Extracellular Polysaccharide Metabolism of Human Dental Plaque

1975; SAGE Publishing; Volume: 54; Issue: 4 Linguagem: Inglês

10.1177/00220345750540042901

1544-0591

Thomas H. Gawronski, Robert A. Staat, Hussein A. Zaki, Robert S. Harris, Lars E. A. Følke,

Enzyme Production and Characterization

The effects of increased and low dietary sucrose levels on the biochemical activities and composition of 4- and 12-day plaque were investigated in eight young men. The subjects were fed supervised, nutritionally adequate diets. Dextran hydrolase, levan hydrolase, and total carbohydrate content were increased during a sucrose-rich diet while invertase activity was decreased. Base-extractable carbohydrate was decreased in four-day plaque during the sucrose-rich diet. Glucosyltransferase and fructosyltransferase activity, buffer-soluble carbohydrate, and buffer-soluble protein were also determined.