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 Zanzibar Archipelago, located in the Indian Ocean 15 miles off the coast of Tanzania, is a breathtaking spot to escape from the world. Youâll enjoy clear, turquoise-blue water; shallow sandbars perfect for wading; and many small, nearly deserted islands virtually unvisited by tourists.