Levulin
Lev"u*lin\ (l[e^]v"[-u]*l[i^]n), n. (Chem.) A substance resembling dextrin, obtained from the bulbs of the dahlia, the artichoke, and other sources, as a colorless, spongy, amorphous material. It is so called because by decomposition it yields levulose. [Written also l[ae]vulin.]