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.
Food and cosmetic use. Arrowroot powder is a natural powdered root starch that is white in color and very lightweight. It is derived from the tropical South American plant Maranta arundinacea. The plant was given the name âArrowrootâ because it was once used to treat those injured with wounds from poisoned arrows.