What is "damascone"

n. (context organic compound English) Any of a series of closely related rose ketones that are components of essential oils, derived from the degradation of carotenoids.

Damascones are a series of closely related chemical compounds that are components of a variety of essential oils. The damascones belong to a family of chemicals known as rose ketones, which also includes damascenones and ionones. beta-Damascone is a contributor to the aroma of roses, despite its relatively low concentration, and is an important fragrance chemical used in perfumery.

The damascones are derived from the degradation of carotenoids.