Fructooligosaccharides
FOS is not digested by human enzymes and reaches the colon intact, where it selectively feeds bifidobacteria.
Key Specifications
| FOS content | 95 percent (powder) |
|---|---|
| Sweetness | 30-50 percent of sucrose |
| Solubility | Very high |
| Calories | 1.5 kcal/g |
| Form | Powder / 55% syrup |
Selectively feeds bifidobacteria
FOS is not digested by human enzymes and reaches the colon intact, where it selectively feeds bifidobacteria. That selectivity is the basis of the prebiotic claim and distinguishes it from general soluble fibres.
Low dose threshold for effect
The prebiotic effect appears at 3-8 g per day, which is low enough to fit into a single serving of beverage or supplement without affecting taste.
Typical Applications
- Prebiotic beverages and supplements — 3-8 g per serving for a bifidogenic effect.
- Sugar reduction in dairy — Replaces part of the sugar while adding fibre.
Frequently Asked Questions
FOS or inulin?
FOS is shorter chain, more soluble and sweeter; inulin gives more viscosity and a broader fermentation profile.
Does it cause gas?
Yes above about 10-15 g per day as the colon ferments it. Start low in formulation trials.
Is it stable in heat?
Stable to pasteurisation but hydrolyses slowly at low pH over long storage.
Explore more: All Products · Industry News. Ready to discuss your project? Request a quote.