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Food Grade Chitosan
Number:8533    Time:2018-7-6 17:19:47


Off-white, innocuous, flavourless semitransparent and amorphous solid. Soluble in acid, but insoluble in alkali and water or in ordinary organic solvent. Decomposed at 185°C.


Widely used in the following fields: textile, dyeing, leather, dope, tobacco, plastic, cosmetic, food, feed, medication, health food, color film, bioengineering, agriculture, sewage treatment.

Items Medical Grade Food Grade Industrial Grade
Appearance Off-white powder Off-white powder

Off-white to yellowish semitransparent flaker or powder

Deacetylation* Degree >90%, 95% >85%, 90%, 95% >70%, 80%, 85%
pH Value 6.5-8.5 6.5-8.5 6.5-8.5
Loss on Drying <8.0% <10.0% <12.0%
Residue on Ignition <1.0% <1.5% <2.0%
Insoluble Matter <1.0% <1.0% <2.0%
Heavy Metals(Count as Load) ≤10ppm ≤10ppm  
Arsenic ≤0.5ppm ≤0.5ppm  
Total Plate Count ≤1000cfu/g ≤1000cfu/g  
Viscosity** 50-800mpa.s
Particle Size 40mesh, 60mesh, 80mesh, 100mesh

Packing for medical and food grade: 20.0kg, 25.0kg/fiber drum (Φ 38.0cm×48.0cm or Φ 42.0cm×60.0cm), or according to demand.

*(1)We can supply high-purity chitosan with deacetylation degree >95%.

**(2)The viscosity is determined at 20°C with 1°C chitosan in 1°C acetic acid.

The different applications of chitosan demand different type of chitosan, We can supply it according to the needs.

We can provide special molecular weight Chi Chitosan (20,000-1000,000) and Chitosan Oligosaccharide (1,000-8,000).

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Tel:0532-81702777 13708960899 Fax:0532-83872928 Add:No.27,Huiheng Road, Huanbao Industrial Zone, Jimo, Qingdao, Shandong, China

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