Edible Macroalgae: Beneficial Resource of Iodine

Abstract

Iodine is an essential element required for the synthesis of thyroid hormones. Its deficiency is correlated to goiter, while in excess can cause autoimmune thyroiditis. Worldwide exists a deficiency in iodine, and recommended daily intake should be 150μg for adults. One of the most naturally available and abundant resources of iodine is macroalgae, which may contain it in several orders different concentrations, depends primarily on species. To accomplish the recommended daily intake of iodine, it is important to know the exact concentration of iodine in macroalgae, dried and/ or processed.