Abstract
AbstractPolyols are poorly digestible carbohydrates present in small amounts in some fruits and vegetables. Xylitol and erythritol are used as table sweeteners. These compounds are widely used in the food industry due to their low-calorie content. Erythritol is the only noncaloric polyol. Xylitol is the sweetest of the polyols, being the only one with sweetness equivalent to sucrose, but with one third of its calories. Clinical studies have shown reductions in the number of plaques, in counts of Streptococcus mutans, and in the number of dental cavities in individuals receiving erythritol and xylitol. Xylitol is also capable of reducing the growth and adherence to the oropharynx of bacteria that cause acute otitis media, such as Streptococcus pneumoniae, and several studies have shown that it reduces the risk of this bacterial infection in children. In addition to these effects, polyols can also have beneficial effects on metabolism. Both erythritol and xylitol have been approved by the European Union for use as sweeteners for several years, and replacing sugar with polyols decreases caloric intake, which can reduce body weight and blood glucose in individuals with obesity and type 2 diabetes mellitus. The safety of polyols is recognized by the Food and Drug Administration (FDA), who classifies them as compounds generally recognized as safe (GRAS). Thus, based on available scientific data, the daily consumption of both substances is associated with several benefits and does not represent any risk to human health.
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