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
Madeira wine up large (112 gal/423 l) casks of wine known as "pipes" for their voyages to India. The intense heat in the holds of the ships had a transforming effect on the wine, as discovered by Madeira producers when one shipment was returned to the island after a long trip. The customer was found to prefer the taste of this style of wine, and Madeira labeled as "vinho da roda" (wines that have made a round trip) became very popular. Madeira producers found that aging the wine on long sea voyages was very costly, so began to develop methods on the