Dietary fiber or roughage is the indigestible portion of food derived from plants. It has two main components: 1  Soluble fiber, which dissolves in water, is readily fermented in the colon into gases and physiologically active byproducts, and can be prebiotic and viscous.ietary fiber or roughage is the indigestible portion of food derived from plants. It has two main components: 1  Soluble fiber, which dissolves in water, is readily fermented in the colon into gases and physiologically active byproducts, and can be prebiotic and viscous.
The Portuguese were the first to engage in the New World slave trade in the 16th century. Between 1418 and the 1470s, the Portuguese launched a series of exploratory expeditions that remapped the oceans south of Portugal, charting new territories that one explorer described as oceans where none have ever sailed before.
The Kingdom of Portugal in the 15th century was one of the first European powers to begin building a colonial empire. The Portuguese Renaissance was a period of exploration during which Portuguese sailors discovered several Atlantic archipelagos like the Azores, Madeira, and Cape Verde, explored and colonized the African coast, discovered an eastern route to India that rounded the Cape of Good Hope, discovered Brazil, explored the Indian Ocean and established trading routes throughout most of so