Port Blend

Over a hundred varieties of grapes (castas) are sanctioned for port production, although only five (Tinta Barroca, Tinto Cão, Tinta Roriz (Tempranillo), Touriga Francesa, and Touriga Nacional) are widely cultivated and used.
- Mayson (1999), Port and the Douro, p. 93

Last edited on 1/2/2019 by GGinSF

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