erythrodextrin

from The Collaborative International Dictionary of English v.0.48

Erythrodextrin \E*ryth`ro*dex"trin\, n. [Gr. 'eryqro`s red + E.
   dextrin.] (Physiol. Chem.)
   A dextrin which gives a red color with iodine. See {Dextrin}.
   [1913 Webster]