Freebase (0.00 / 0 votes) Rate this definition: Essential amino acid. An essential amino acid or indispensable amino acid is an amino acid that cannot be synthesized de novo by the organism, and therefore must be supplied in the diet.
An island nation, Seychelles is located in the Indian Ocean, northeast of Madagascar and about 1,600 km (994 mi) east of Kenya. The archipelago consists of more than 116 islands. The granitic islands are considered the oldest and hardest granite in the world.
The archipelago of Comoros is situated in the tropical waters of the Indian Ocean between the eastern coast of Africa and Madagascar. It includes three volcanic islands, numerous coral reefs and uninhabited islets. Mayote, the most southern island, remains a French dependency, although claimed by Comoros.