PubMed · 4513618
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B P Tillis. Sweet indiscretion.. https://pubmed.ncbi.nlm.nih.gov/4513618/
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Five maltodextrins and five corn syrups each, seven instant teas containing maltodextrin and one tea produced on a protein-base were analysed for fermentable carbohydrates using enzymatic analyses test combinations and a spectrophotometer. Analysis of the maltodextrins and glucose syrups demonstrated the heterogenicity of this group of substances and also some incompleteness in the declaration of maltose, maltotriose and glucose, sugars typically contained in these products. In standard samples of the instant teas cariogenic sugars were found in concentrations up to 0.7%. As these sugars were not declared in any of the products, the consumer is not able to assess the cariogenic potential of the ingredient maltodextrin. The intake of products containing maltodextrins or corn syrups must lead to an uncontrolled sugar consumption.
Ten infant formulas containing maltodextrin were analysed for fermentable carbohydrates using enzymatic analysis test-combinations and a spectrophotometer. Besides lactose, sucrose and fructose an assessment was made of sugars typically contained in maltodextrin and corn syrup, namely maltose, maltotriose and glucose. Total carbohydrate was up to 10.3 g in 100 ml standard sample. Cariogenic sugars were found in concentrations between 4.0 and 7.3 g/100 ml. Declaration of the different types of carbohydrates, especially of maltodextrin/corn syrup proved to be insufficient in some products and consequently the consumer is not able to understand their cariogenic potential.
For many decades, sugars have been the dietary constituents receiving the most attention in relation to their effects on dental caries. Frequently, however, there is little relationship between the amount of sugar in a food and its ability to induce caries. Therefore, it is clear that constituents in the diet can influence the ability of plaque to lower the pH of sugar solutions. For instance, replacing sugar in foods with xylitol, sorbitol, saccharin, or aspartame may lead to a reduction in the incidence of dental caries. All these sugar substitutes are non-cariogenic, and some may possess cariostatic properties. The presence of arginine-rich proteins in the diet may provide a ready source of this amino acid, which is the substrate for the arginine deiminase pathway which can result in a rapid elevation of plaque pH values. Proline can act as an acceptor for protons from lactate in the Stickland reaction. This is a major but much-neglected metabolic pathway in dental plaque. The presence of fat in experimental diets has been shown to affect their cariogenicity. The effects have been ascribed to enhanced clearance of sugars from the mouth. It is also conceivable that several fatty acids express a potent antibacterial effect. The presence of calcium and phosphorus has been shown to influence the cariogenicity of foods; the effect, however, is restricted to the food containing the minerals. Evidence suggests that pyridoxine (vitamin B6) may exert a cariostatic effect by enhancing decarboxylation activity in dental plaque. It is clear that sugar alone is not the sole determinant of whether food is cariogenic. Furthermore, myriad substances may hinder or enhance the caries-promoting properties of sugars in the diet.