Explain dextran, Biology

Assignment Help:

Dextran

Dextran is a high molecular  weight polysaccharide having  α1→ 6,  α1→ 3 linked glucans. It is produced by the bacterial fermentation of sucrose by  Leuconostoc dextranicum followed by partial depolymerisation and purification of the fermented mixture to produce a substance that is free of viable micro organisms.

Dextran is a fine, white powder that dissolves readily in hot or cold water to give a clean and viscous solution. It has good humectant  and water-holding properties and imparts good bodying attributed to liquid systems.  

 

 


Related Discussions:- Explain dextran

Eretmochelys imbricata, Ivory was much in demand for production of a variet...

Ivory was much in demand for production of a variety of jewellery and artifacts in the past. Reptile leather from crocodiles, lizards and snakes has quite a high demand for manufac

Discuss about xeno-transplanation, Discuss about xeno-transplanation Mo...

Discuss about xeno-transplanation Most defects / diseases treated by xeno-transplanation are not genetic in origin so the therapy will have no impact on gene pool in terms of c

Explain angio-edema, Explain Angio-edema Angio-edema:  Swelling of the ...

Explain Angio-edema Angio-edema:  Swelling of the mucous membranes, tissues beneath the skin or an internal organ because of an allergic reaction.

Occlusal load affect osseointegration, Occlusal load affect Osseointegratio...

Occlusal load affect Osseointegration The timing and amount of overload are critical for osseointegration. Occlusal loading early, where the primary stability is low leads to h

Phloem, why phloem made of living cells

why phloem made of living cells

What is the rh factor, What is the Rh factor? The RH factor is a protei...

What is the Rh factor? The RH factor is a protein of the red blood cell plasma membrane that behaves as antigen in blood transfusions triggering a humoral (antibody-based) immu

The z-gene codes for permease, Select the two correct statements out of the...

Select the two correct statements out of the four (a - d) given below about lac operon. 1. Glucose or galactose may bind with the repressor and inactivate it 2. In the absenc

Nursing assessment of acute glomerulonephritis, Nursing Assessment   Du...

Nursing Assessment   During assessment the child's parents will give you history of upper respiratory infection or skin infection  in the previous one to three weeks. Initially

Historically what were the two main evolutionary theories, Historically wha...

Historically what were the two main evolutionary theories? The two major evolutionary theories were darwinism and lamarckism.

Explain vegetable dehydration, Explain Vegetable dehydration It reduces...

Explain Vegetable dehydration It reduces the natural water content below the level critical for the growth of microorganisms (12-15%), without being detrimental to important nu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd