from The Century Dictionary and Cyclopedia
- n. A colorless, amorphous, levorotatory carbohydrate, C6H10O5, found in beet-sugar molasses. It is quantitatively converted into levulose by boiling with dilute acids, and melts at about 250° C.
Sorry, no etymologies found.
During his treatments, Colbert used a procedure called photodynamic therapy, or blue light, which uses a substance known as levulan applied topically and placed under a light to kill pre-cancer cells.