Vinho Verde decree of October 1 of the same year. The regulations controlling production were largely set in 1926, with recognition as a Denominação de Origem Controlada (DOC) in 1984. The AOC is overseen by the "Comissão de Viticultura da Região dos Vinhos Verdes" ("Wine Commission of the Vinho Verde Region"). Currently, nearly 21,000 hectares of vineyards are planted, making up 9% of the total in Portugal. There are around 19,000 producers, down from 72,590 in 1981. Around 600 bottlers in the region produce 85 million liters of wine each year. 86% of the wine from Vinho Verde is white. The Vinho
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