Portuguese wine order to protect its superior wines from inferior ones. The quality and great variety of wines in Portugal are due to noble castas, microclimates, soils and proper technology. Official designations: Vinho Verde: This region is mainly in the Minho province and is in the extreme north-west of Portugal. There are six areas : Vinho Verde derived its name from the fact that the grapes used are 'green' meaning slightly under-ripe. Vinho Verde wines are now largely exported, and are the most exported Portuguese wines after the Port Wine. The most popular variety in Portugal and abroad are the white wines,
American wine have some acreage in vineyard cultivation. By 2004, 668 million gallons (25.3 million hectoliters) of wine were consumed in the United States. Today, the U.S. produces over 800 million gallons of wine a year, of which California produces more than 84%, followed by Washington, New York, Pennsylvania, and Oregon. In the second decade of the 21st century, the US wine industry faces the growing challenges of competition from international exports and managing domestic regulations on interstate sales and shipment of wine. There are nearly 3,000 commercial vineyards in the United States, and at least one winery in each of the