Fructo Oligosaccharides (FOS)

Fructo oligosaccharides (FOS) is a mixture of oligosaccharides (GF2, GF3, GF4) which are composed of fructose units connected by ß (2-1) links. These molecules are terminated by a fructose unit. The total number of fructose or glucose units (Degree of Polymerization or DP) of oligofructose ranges mainly between 2 and 4.

Fructose oligosaccharides(FOS), is also know as Fructo-oligo, it directly enters into large intestine without being digested and absorbed by human body, and in intestine it rapidly promotes reproduction of bididobactirium and other probiotics, so it is also called “Bifidus Factor”.

This product is an excellent prebiotic and soluble dietary fiber as well. It can improve bowel function, prevent constipation and diarrhea. Currently it has been widely used in food, health products and other industries.

Properties

Product:	Fructo oligosaccharide (FOS)
Grade:	Food grade,95%
Synonym:	Fructooligosaccharide; oligofructose;  oligofructan
Systematic IUPAC name:	-
Product No.:	catalog number
CAS No.:	308066-66-2
Formula:	-
Mol. Weight:	-
Melting Point:	-
Specific rotation:	-
Density:	-
Solubility:	N/A

Specifications

Fructo oligosaccharide (FOS), [308066-66-2]
Item	Value
Content of Fructo-oligosaccharide	95.0% min
Content of glucose, fructose and sucrose	5% max
pH	4.5 - 7.0
Particle size	95.0% min through 40mesh
Water	5.0% max
Ash	0.2% max
SO2	40mg/kg max
As	0.5mg/kg max
Pb	0.5mg/kg max
Cu	5.0mg/kg max
Total plate count	1000cfu/g max
Yeast	25CFU/g max
Moulds	25CFU/g max
E. colli	30MPN/100g max
Pathogenic bacteria /25g (Salnonella SP., Staphylococcus aureus, Shigella spp.)	Not detected
Taste & Odor	Sweet taste, no odor
Foreign materials	None
A	White or pale yellow powder

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