n. 1  Any of various small proteins that are produced by a variety of cell types, especially T cells and other white blood cells, and that regulate many aspects of inflammation and the immune response, including stimulating the production of white blood cells and platelets.
Arrowroot is an easily digested starch extracted from the roots of the arrowroot plant, Maranta arundinacea. The starch is used as a thickener in many foods such as puddings and sauces, and is also used in cookies and other baked goods. It is extremely bland, making it suitable for neutral diets, especially for people who are feeling nauseous.
Arrowroot powder is a starch derived from a South American plant and is used as a thickener in recipes. Arrowroot powder is used in the same way cornstarch is, though there are some differences between the two starches. Arrowroot is a root starch that acts as a thickener. It is best used at the end of cooking as it might break down in long, high-heat cooking.