Alentejo wine Alentejo wine Alentejo ("Vinho do Alentejo", Alentejo wines) is a Portuguese wine region located in the Alentejo region of the country. The entire region is entitled to use the "Vinho Regional" designation Alentejano VR, while some areas are also classified at the higher "Denominação de Origem Controlada" (DOC) level under the designation Alentejo DOC. VR is similar to the French "vin de pays" and DOC to the French AOP. Located in the southern half of Portugal, the Alentejo region covers about a third of the country and is sparsely populated. In 2005, South Oregon University scientist Gregory V. Jones identified
Wine color and flavor components from the grape skin. Red wine is made from dark-colored grape varieties. The actual color of the wine can range from violet, typical of young wines, through red for mature wines, to brown for older red wines. The juice from most purple grapes is actually greenish-white; the red color comes from anthocyan pigments (also called anthocyanins) present in the skin of the grape; exceptions are the relatively uncommon teinturier varieties, which actually have red flesh and produce red juice. Fermentation of the non-colored grape pulp produces white wine. The grapes from which white wine is produced