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.
1808 to 1821 â The royals from Portugal relocate to Brazil and run both Brazil and their European homeland from Rio de Janeiro. 1822 - Brazil breaks ties with Portugal, finally announcing its independence. 1888 â A mammoth step forward occurs when slavery is finally abolished in this year.