Port wine oxovitisin A, an oxovitisin, a type of pyranoanthocyanin with a 2-pyrone component. Port wine Port wine (also known as vinho do Porto, , Porto, and usually simply port) is a Portuguese fortified wine produced with distilled grape spirits exclusively in the Douro Valley in the northern provinces of Portugal. It is typically a sweet, red wine, often served as a dessert wine, though it also comes in dry, semi-dry, and white varieties. Fortified wines in the style of port are also produced outside Portugal, including in Australia, France, South Africa, Canada, India, Argentina, Spain, and the United States. Under European
Vinho Verde Croft as taking place in 1788. The arrival of maize in the 16th century left a distinctive stamp on viticulture in the region. To maximise production of maize, new regulations banished vines to the field margins, where they would be draped over trees and hedges, forcing the vignerons to pick them from tall ladders. Today, you can find some examples of vines trained by the old methods, but most of the Vinho Verde Region is now using modern methods, which give larger and better yield. The "Vinho Verde Region" was demarcated by the law of September 18, 1908 and a