Maltitol metabolism

Maltitol is digested in two steps: absorption in the small intestine and fermentation in the large intestine. These two metabolic pathways must be considered together when evaluating energy content. About 20% of maltitol is hydrolyzed in the small intestine, releasing sorbitol (slowly metabolized) and glucose (absorbed). This phase of digestion is quantified as 4 Kcal/g.
The non-absorbed sorbitol and non-hydrolyzed maltitol are fermented by the microflora in the colon. This fermentation contributes an energy value of about 2 Kcal/g. The relative importance of the two absorption pathways depends upon numerous individual factors and is related to the quantity of maltitol ingested.

Low caloric value

• Partly fermented in the colon, MALTISORB^® maltitol benefits from a low caloric value. The product of this fermentation, especially short chain fatty acids, contributes to the satiety effect. (LIVESEY, 1995).
  
  
• MALTISORB^® maltitol's low energy value compares favorably with a value of 4 Kcal/g for sugars and 9 Kcal/g for fat.

Shown below is the regulatory caloric value applied to maltitol in various regions:

EU 90/496/EC Directive	USA FASEB	Japan	Mercosur
2.4 Kcal/g	2.1 Kcal/g	2 Kcal/g	2.4 Kcal/g

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