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.
What Arrowroot Powder Is Arrowroot powder, also known as arrowroot flour or arrowroot starch, is a starch derived from the roots of the tropical arrowroot plant, Maranta arundinacea. After it's harvested, it's dried and ground into the powder that we're used to seeing in stores.