Lycopene,
a carotenoid found in plant foods, is
also a red pigment. Dark red acicular
crystal, soluble in chloroform, benzene
and grease but insoluble in water.
Unstable to light and oxygen, turning
brown when met with iron. lycopene is
widely found in tomatoes, tomato
products, watermelon, grapefruit and
other fruits. It is the main pigment in
ripe tomatoes and one of the common
carotenoids.