Sorbitol

Sorbitol is described in the U.S. regulations as a hexahydric alcohol with the formula C6H14O6. It is made by the electrolytic reduction or transition-metal catalytic hydrogenation of sugar solutions containing glucose or fructose.

The regulation lists its roles in food as anticaking agent, humectant, nutritive sweetener, texturizer, and stabilizer and thickener, among others. A humectant helps a food hold moisture, which is why sorbitol turns up in soft candies, fillings and baked goods that should stay moist.

Maximum levels as served under good manufacturing practice are 99 percent in hard candy and cough drops, 30 percent in baked goods, and 12 percent in all other foods not otherwise listed. Foods that could lead to a daily intake of 50 grams of sorbitol must carry the statement that excess consumption may have a laxative effect.