Which native Portuguese grape varieties are mentioned as primary components of Port wine?
Answer
Touriga Nacional, Tinta Roriz (Tempranillo), Touriga Franca, Tinta Barroca, and Tinta Cão
The unique character of Port wine is deeply rooted in the indigenous grape varieties cultivated within the steep, schist-laden slopes of the Douro Valley. The text specifically names several primary red Portuguese varieties essential to traditional Port blends. These include Touriga Nacional, which is often highly prized; Tinta Roriz, which is known globally as Tempranillo; Touriga Franca; Tinta Barroca; and Tinta Cão. The specific blend proportions are often tailored by individual Port houses based on microclimates, but these listed varieties form the backbone of the region's contribution to fortified wine production.
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