Trás-os-Montes wine Trás-os-Montes wine Trás-os-Montes is a Portuguese wine region located in the Trás-os-Montes e Alto Douro region. The entire wine region is entitled to use the "Vinho Regional" designation Transmontano VR, while some areas are also classified at the higher "Denominação de Origem Controlada" (DOC) level under the designation Trás-os-Montes DOC. VR is similar to the French "vin de pays" and DOC to the French AOC. Located in the northeastern corner of Portugal, the Trás-os-Montes region has vineyards across a wide range of altitudes that produces a vast spectrum of wine. The vineyards in the cooler high altitude produces wines that
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