Dextran is a linear polysaccharide made of many glucose molecules joined into a long chain.

GoldBamboo

... DEXTRAN (Gentran®, Macrodex®) treats or prevents shock, following serious injury, bleeding, surgery, or burns, by increasing the volume of blood plasma. Dextran is not a substitute for blood, but is for emergency situations when whole blood or blood products are not available. Dextran also can be used to prime iron lungs and help improve circulation and prevent blood clots during surgery. Generic dextran injections are available. ...
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Dextran is a complex branched polysaccharide made of many glucose molecules ...
Wikipedia - [full article]

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