dextran(redirected from dextran 40)
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Any of a group of branched polysaccharides with various molecular weights that are used to prevent thrombosis, as plasma volume expanders, and as food additives.
(Biochemistry) biochem a polysaccharide produced by the action of bacteria on sucrose: used as a substitute for plasma in blood transfusions
[C19: from dextro- + -an]
a viscous polysaccharide produced by bacterial action on sucrose: used in confections and lacquers and as a blood-plasma extender.