what is modified cornstarch
7,780 Helpful Votes. 73 Followers. A. Modified cornstarch is starch that is physically/chemically treated to change its properties and is mainly used as a thickening agent, stabilizer or emulsifier in various food products (as a food additiive and not for taste/nutrition).There are many different types of these starches around and they are considered safe.,780 Helpful Votes. 73 Followers. A. Modified cornstarch is starch that is physically/chemically treated to change its properties and is mainly used as a thickening agent, stabilizer or emulsifier in various food products (as a food additiive and not for taste/nutrition).