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,
Palm wine content, mildly intoxicating and sweet. The wine may be allowed to ferment longer, up to a day, to yield a stronger, more sour and acidic taste, which some people prefer. Longer fermentation produces vinegar instead of stronger wine. Palm wine may be distilled to create a stronger drink, which goes by different names depending on the region (e.g., "arrack", "village gin", "charayam", and "country whiskey"). Throughout Nigeria, this is commonly called "ogogoro". In some parts in Cameroon it is known as "Afofo". In parts of southern Ghana distilled palm wine is called "akpeteshi" or "burukutu". In Togo and Benin it