Xylitol
Xylitol is not fermented by the oral bacteria that cause decay, so it carries an approved caries-reduction claim in several markets.
Key Specifications
| CAS number | 87-99-0 |
|---|---|
| E number | E967 |
| Sweetness | 90-100 percent of sucrose |
| Calories | 2.4 kcal/g |
| Melting point | 92-96 degrees C |
| Glycaemic index | 7-13 |
The only polyol with a caries claim
Xylitol is not fermented by the oral bacteria that cause decay, so it carries an approved caries-reduction claim in several markets. That is why it dominates sugar-free chewing gum rather than being chosen on sweetness alone.
Taste and cooling
Its sweetness profile is closest to sucrose of all the polyols, with a mild cooling effect. In gum and mint this reads as freshness; in chocolate it needs blending to avoid an odd sensation.
Typical Applications
- Sugar-free chewing gum — 50-65 percent of the gum base as the bulk sweetener.
- Dental and oral care products — Toothpaste and lozenges where the caries claim matters.
Frequently Asked Questions
Birch or corn derived?
Chemically identical. Corn is cheaper and dominates supply; birch commands a marketing premium.
Is it safe for dogs?
No. Xylitol is severely toxic to dogs, which matters for household products.
What is the laxation threshold?
Higher than sorbitol but still relevant above 30-40 g per day.
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