• (n.) Dextrin not colorable by iodine. See Dextrin.
Ach`ro·ö·dex'trin noun [ Greek ... colorless + English dextrin .] (Physiol. Chem.) Dextrin not colorable by iodine. See Dextrin . 
Type: Term Pronunciation: ak-rō′ō-deks′trin Definitions: 1. Dextrin of low molecular weight, formed from starch in a stage of the digestion of the latter by amylase; it produces no color reaction with iodine. Synonyms: achrodextrin