Carotenoids are organic pigments that are found in the chloroplasts and chromoplasts of plants and some other photosynthetic organisms, including some bacteria and some fungi. Carotenoids can be produced from fats and other basic organic metabolic building blocks by all these organisms.
   Senegal is a republic with a presidency; the president is elected  every five years as of 2001, previously being seven years, by adult  â¦ voters.
As Senegal used to be a French colony, the country is still popular with French tourists, many of whom spend their vacations in coastal regions. In comparison to some other African countries, Senegal is relatively Westernized, especially the capital of Dakar.