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,
Russian wine wine is produced in the area around Stavropol which has 180-190 frost free days. The region of Rostov is characterized by its hot, dry summers and severe winters which produces grapes in lower yields than other parts of the country. Nevertheless Rostov is a region with a great diversity of atochtonous grape varieties which originally from the Don Valley including sunch az Tsimlyankskiy Tchernyi, Kumshatskiy, Krasnostop Zolotovskiy, Plechistik and others Russia produces wine of several different styles including still, sparkling and dessert wine. Currently there are over 100 different varieties of grapes used in the production of Russian wine. The