Possible impurities are zeaxanthin and capsorubin (below). Purify capsanthin by chromatography on a column of alumina (grade IV) and develop with 0.2% EtOH in *C6H6. It
Capsanthin is the major colouring compounds contained in the Paprika oleoresin, which is a kind of oil-soluble extract isolated from the fruits Capsicum annuum or Capsicum frutescens, and is a colouring and/or flavouring in food products. As a pink pigment, Capsanthin is very abundant in peppers, accounting for 60% of the proportions of all flavonoids in the peppers. It has antioxidant properties, being able to help the body to scavenge the free radicals as well as inhibiting the growth of cancer cells.
A poison by skin contact.
A poison by skin
contact. When heated to decomposition it
emits acrid smoke and irritating vapors.