Port wine be labelled as "port" or "Porto". In the United States, wines labelled "port" may come from anywhere in the world, while the names "Oporto", "Porto", and "Vinho do Porto" have been recognized as foreign, non-generic names for port wines originating in Portugal. Port is produced from grapes grown and processed in the demarcated Douro region. The wine produced is then fortified by the addition of a neutral grape spirit known as aguardente in order to stop the fermentation, leaving residual sugar in the wine, and to boost the alcohol content. The fortification spirit is sometimes referred to as brandy but
Louisiana wine Louisiana wine Louisiana wine refers to wine made from grapes grown in the U.S. state of Louisiana. Growing grapes in Louisiana is challenging which has hindered its wine industry. The climate of Louisiana is extremely hot and humid, and viticulturists in the state face Pierce's disease, powdery mildew, and other grapevine diseases. There are four commercial wineries in Louisiana that collectively produce about 20,000 gallons (75,000 liters) of wine per year. One of those commercial wineries is Landry Vineyards which is the largest vineyard and winery in Northeast Louisiana however it produces most of its wine by importing grapes from