dextrin vs. maltodextrin

a soluble, gummy substance, formed from starch by the action of heat, acids, or ferments, occurring in various forms and having dextrorotatory properties: used chiefly as a thickening agent in printing inks and food, as a mucilage, and as a substitute for gum arabic and other natural substances.

a compound of dextrin and maltose, used as a food additive and in some health and beauty products.