Bordeaux wine regions Croix de Mont. All of these regions (except the Libournais) have their own "appellation" and are governed by "Appellation d'origine contrôlée" laws which dictate the permissible grape varieties, alcohol level, methods of pruning and picking, density of planting and appropriate yields as well as various winemaking techniques. Bordeaux wine labels will usually include the region on the front if all the grapes have been harvested in a specific region and the wine otherwise complies with the AOC requirements. There are about 50 AOCs applicable to the Bordeaux region. Both red and white Bordeaux wines are almost invariably blended. The permissible
History of Bordeaux wine style of dry white Bordeaux favoured today, with almost 100% Sauvignon Blanc and a heavy influence of new oak, the traditional Entre-deux-Mers whites had a high proportion of Semillion and were made in either old oak barrels or steel tanks. Starting in the 1960s and 1970s, these vineyards were converted to red wine production (of Bordeaux AOC and Bordeaux Supérieur AOC), and the production of white wine has decreased ever since. Today production of white wine has shrunk to about one tenth of Bordeaux's total production, with 11.0% of the vineyard surface in 2007 used for white wines (7.8% for