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D-Glucosamine Series

N-Acetyl-D-Glucosamine( Plant Extraction)

CAS NO:7512-17-6

Molecular formula: C8H15NO6

Molecular weight:221.21

Chemical Structural Formula::
White to light yellow powder, odorless; soluble in water, Hardly soluble in ethanol , propyl alcohol and organic solvent; fusion point: 198.0-205.0℃;+39.0°~+43.0°(C=5%,H2O, Stable 20 hours);

N-Acetyl-D-Glucosamine is the basic composition unit of many important polysaccharide in biological cells. It is an important precursor of the synthesis of bifidus factor and has many important physiological functions in vivo. It is the drug in treating rheumatic and rheumatoid arthritis in the clinical. It also can be used as food antioxidants , infant food additives and diabetes patients’ sweeteners.It main used to enhance the body's immune system function in the clinical, inhibit the excessive growth of cancer cells and fibroblasts, and play the role of inhibition and treatment function of cancer and malignant neoplasms. It can play an effective treatment for a variety of inflammatory, and also have a therapeutic effect on osteoarthritis and joint pain.

NegativeNegative
Items Specification
AppearanceWhite crystalline powder
IdentificationInfrared Absorption
Specific Rotation
HPLC
Content98. 0%—102.0%
Residue on ignition≤0.1%
Chloride and Sulfates≤0.1%
Arsenic≤1ppm
Heavy Metals≤10ppm
Individual impurity≤0.5%
Total impurity≤2.0%
Limit of glucosamine≤1.0%
Specific rotation[α]20 D+39.0°— +43.0°
pH6.0 — 8.0
Loss on drying≤0.5%
Melting Range or Temperature196°— 205°
Bulk densityMeet the requirement
Tapped densityMeet the requirement
Mesh SizeMeet the requirement
Lead≤0.5ppm
Mercury≤0.5ppm
Cd≤0.5 ppm
Cr≤2.0 ppm
Total plate count≤1000cfu/g
Yeast & Mold≤100cfu/g
E.COLINegative
Salmonella
Staphylococcus Aureus
Storage ConditionsPreserve in tight, light-resistant containers.
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