Quality Chitosan Food Additive

Detailed Specifications

Chitosan (Medical /Food / Industrial Grade)

Item	Medical grade	Food grade	Feed / Industrial grade
Appearance	White powder	White powder	White or light yellow semitransparent sheet or powder
Degree of deacetylation	>90%, 95%	>85%, 90%	>80%, 85%
pH	7.0-8.0	7.0-8.0	7.0-8.0
Loss on drying	<8.0%	<10.0%	<12.0%
Residue on ignition	<1.0%	<1.5%	<2.0%
Insoluble	<1.0%	<1.0%	<2.0%
Heavy metal (measured by Pb)	≤10ppm	≤10ppm
As	≤0.5ppm	≤0.5ppm
Total bacterial count	≤1000cfu/g	≤1000cfu/g
Viscosity	≤500mpa.s	≤500mpa.s	50-1200mpa.s
Granularity	40mesh, 60mesh, 80mesh, 100mesh

2. Chitosan Oligosaccharide

Chitosan Oligosaccharide(Medical /Food / Feed Grade)

Item	Medical grade	Food grade	Feed grade
Appearance	Light yellow powder	Light yellow powder	Light yellow powder
Average Molecular Weight	≤2000,1000	≤3000,2000	≤8000,5000,3000
Degree of deacetylation	>90%, 95%	>85%, 90%, 95%	>80%, 85%,90%
pH	5.5—7.0	5.5—7.0	5.5—7.0
Loss on drying	<8.0%	<10.0%	<12.0%
Residue on ignition	<1.0%	<1.5%	<2.0%
Insoluble	<1.0%	<1.0%	<2.0%
Heavy metal (measured by Pb)	≤10ppm	≤10ppm
Total bacterial count	≤1000cfu/g	≤1000cfu/g
Granularity	100mesh

Packaging & Shipping

3. we also can pack and ship as you required.

Our Services

4. Your satisfication-our mission

Company Information

5.

Qingdao Yunzhou Biochemistry Co., Ltd was founded in 2002 in Jimo, Qingdao,China by its owner and also managing director Mr. Wang Kaiyu., now a leading manufacturer dedicated in Chitosan and supplying to both domestic and overseas markets like USA, Asia countris as well as European countries. Yunzhou has grown from a chemical factory into a very professional enterprise with its trade department in central area of qingdao,

Relying on the technology of institute of Oceanology, having cooperated with Ocean University of China for many year, as member of Qingdao Chitin Research Society, Yunzhou is able to guarantee and maintain high quality in manufacturering and sourcing. Yunzhou understands well that the needs of our clients are very demanding and our people strive to achieve whatever the best in their own position and save no efforts in satisfying our customers requirements, which ensure ourself a very solid and distinguished supplier in the chitosan market both domestic and overseas.

We produce Chitosan in many series, food grade, industrial grade, medical grade. And Chitosan we supplied has been wildely used in pharmaceutical industry, heathy food, research field, water treatment area, cosmetic, textile,tobacco and many others.

6.Our production facilities

7.Our certificates

Our Products