Levulin

noun

1. A carbohydrate (C6H10O5) occurring in the tubers of certain species of Helianthus.
2. 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.
3. A substance resembling dextrin, obtained from the bulbs of the dahlia, the artichoke, and other sources, that yields levulose on decomposition.