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Kaplan Qbank USMLE



Author3 Posts
  #1

Let's differentiate between dextrose,dextrin,dextran..................


  #2

dextran A polymer of D-glucose, produced by enzymes (glycosyltransferases) on the cell surface of certain lactic-acid bacteria. Dextrans, formed from sucrose by bacteria in the mouth, adhere to the tooth surfaces and produce dental plaque, a major cause of dental caries. Used as plasma volume expanders. Commercial preparations are also used in gel-filtration chromatography.

dextrin 1. Polysaccharides formed during the hydrolysis of starch, which are soluble in water, and precipitable in alcohol. They include the amylodextrins, erythrodextrins, and achroodextrins. 2. A preparation used as a suspending and viscosity-increasing agent, tablet binder, and tablet and capsule diluent.

dextrose Also known as D-glucose monohydrate. A monosaccharide. It is used chiefly as a fluid and nutrient replenisher, usually administered by intravenous infusion. It is also used as a diuretic and alone or in combination with other agents for various other clinical purposes.


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First Aid is my Bible...

  #3

very good explanation .thanx young_doc ..what is your resource for biochemistry...







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