Achroodextrin

from The Collaborative International Dictionary of English v.0.48

Achroodextrin \Ach`ro*["o]*dex"trin\, n. [Gr. ? colorless + E.
   dextrin.] (Physiol. Chem.)
   Dextrin not colorable by iodine. See {Dextrin}.
   [1913 Webster]