Thiwa Wondsathan. (2008). Study Process Improvement carotenoids from palm oil found carotene carotenoids dissolved in a solvent. The non-polar Including fats and oils, but not soluble in water. Carotene carotenoids extracted from plants can use. Petroleum ether, benzene, ethanol or acetone carotene carotenoids have treasure in the absorption rate of violet and visible light in the wavelength range 400-700 nm.