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
Mexican wine U.S. and Canada, and most wineries offer tours and wine tasting. Most of Mexico’s wine innovation occurs in the Ensenada area, in the form of the so-called “"boutique"” producers such as Casa de Piedra, whose first vintage was produced in 1997. This operation only produces one white, called Piedra del Sol and a red called Vino de Piedra. Another small producer is Viña de Liceaga, which produces reds. Don Miller owns a ranch and winery called Casa Adobe Guadalupe with a wine school here to help small producers make a profit and draw tourists. There is even one organic wine