Bordeaux wine the subregions and two white based on sweetness: The vast majority of Bordeaux wine is red, with red wine production outnumbering white wine production six to one. There are four different classifications of Bordeaux, covering different parts of the region: The 1855 classification system was made at the request of Emperor Napoleon III for the Exposition Universelle de Paris. This came to be known as the Bordeaux Wine Official Classification of 1855, which ranked the wines into five categories according to price. The first growth red wines (four from Médoc and one, Château Haut-Brion, from Graves), are among the most
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