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Xylo-oligosaccharide (XOS), often called the xylo powder, is a functional polysaccharide formed by connecting 2-7 xylose molecules with the β-1,4 glucosidic bond. The main components are Xylobiose, Xylotriose, and Xylotetraose. Compared with the soybean oligosaccharides, fructooligosaccharides, and isomalto-oligosaccharide fwhihc commonly used by people, xylo-oligosaccharide has unique advantages that can can selectively promote the proliferation activity of intestinal bifidobacteria. Its function of bifidogenic factor is 10-20 times higher than that of other oligosaccharides and polysaccharides.

CAS no: 87-99-0


Product nameXylooligosaccharide  powder
ItemXOS 20XOS 35XOS 70XOS 95
AppearanceWhite or light yellow powder, without visible impurities.
Moisture, %≤6.0≤5.0
Ash, %≤0.3
XOS2-7 content (on dry basis),%≥20.0≥35.0≥70.0≥95.0
XOS2-4  content (on dry basis),%----≥50.0≥65.0
Arsenic(As) ,  mg/kg≤0.5
Lead(Pb),  mg/kg≤0.5
Total Plate Count , CFU/g≤1500
Total Coliform (MPN/100g)≤30
Mold /CFU/g)≤25
Yeast /CFU/g)≤25

Applications of Xylo-Oligosaccharide Powder

XOS powder can be used in health products, beverages, dairy products, liquors, and liver care products.

Functions of Xylo-Oligosaccharide Powder

  • Relaxing bowel, prevent constipation.

  • Inhibit the reproduction of pathogenic bacteria, reduce diarrhea.

  • Promote the synthesis and absorption of nutrients.

  • Lower blood glucose, lipid level, and blood pressure, lower cholesterol.

  • Strengthen immunity, prevent cancer.

  • Protect liver function.

  • Compatibility with Chinese herbal medicine, the pharmacological effects of Chinese herbal medicine can play a full role and the effectiveness increases a lot.

Physical Properties of XOS Powder

  • The sweetness is 40% of sucrose and has the same sweet feeling as cane sugar

  • Good acid and heat stability, easy to store and use stability

  • Difficult to break down by human digestive enzymes

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