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Polyols are sugar-free sweeteners. Polyols are considered to be carbohydrates but they are not sugars and do not have the same physiological properties as sugar. Chemically, polyols are considered polyhydric alcohols or sugar alcohols because part of their structure resembles sugar and part is similar to alcohols.
The most widely used polyols are sorbitol, mannitol, and maltitol. Unlike high potency sweeteners like aspartame, which is used in very small amounts, polyols are used in the same quantity as sucrose.
Polyols are used mostly in confectionery, food, oral care, pharmaceutical and industrial applications. Some characteristics of polyols are fewer calories, pleasant sweetness, ability to hold moisture, and improved processing. Polyols serve as humectants, bulking agents, and freeze point depressants.
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