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Where to buy Dextran from China top Dextran suppliers and manufacturers at best price? TNJ offers reasonable Dextran price and high quality. To buy Dextran from TNJ Chemical is your best option. For more information about Dextran, please feel free to contact [email protected]

Dextran includes Dextran 40, Dextran 70, etc. TNJ Chemical is the largest supplier of Dextran in China. 


Characters                                A white powder, very soluble in water, very slightly soluble in alcohol

Appearance of solution             Clear and colourless

Nitrogenous                              ≤110ppm

Residual solvents

Ethanol:                                    ≤0.5%

Methanol:                                  ≤0.05%

Other residual solvent:             ≤0.5%

Heavy metals                             ≤10ppm

Loss on drying                           ≤7.0%

Sulphated ash                           ≤0.3%

Bacterial endotoxins                  ≤16IU/g

Microbial contamination

Total viable aerobic                    ≤100/g


Dextran is a complex, branched glucan (polysaccharide made of many glucose molecules) composed of chains of varying lengths (from 3 to 2000 kilodaltons). It is used medicinally as an antithrombotic (anti-platelet), to reduce blood viscosity, and as a volume expander in anemia.

The straight chain consists of α-1,6 glycosidic linkages between glucose molecules, while branches begin from α-1,3 linkages. (For information on the numbering of carbon atoms in glucose, see the glucose article.) Dextran is synthesized from sucrose by certain lactic-acid bacteria, the best-known being Leuconostoc mesenteroides and Streptococcus mutans. Dental plaque is rich in dextrans. Dextran is also formed by the lactic acid bacterium Lactobacillus brevis to create the crystals of tibicos, a water kefir fermented beverage which supposedly has some health benefits.



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