Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Alto Douro Wine Region' has mentioned 'Grape' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| There is archaeological evidence for winemaking in the region dating from the end of the Western Roman Empire, during the 3rd and 4th centuries AD, although grape seeds have also been found at older archaeological sites. | WIKI |
| The principal grape varieties of the Douro region include the black grapes Bastardo, Mourisco tinto, Tinta Amarela, Tinta Barroca, Tinta Cxc3xa3o, Tinta Roriz (the same as Spain's Tempranillo), Touriga Francesa and Touriga Nacional, and the white grapes Donzelinho branco, Gouveio, Malvasia Fina, Rabigato, and Viosinho. | WIKI |
| A large number of grape varieties are grown in the Douro region, most of them local Portuguese grapes. | WIKI |
| For a long time, the grape varieties grown in the Douro were not very well studied. | WIKI |
| Vineyards of mixed plantation were the norm, and most of the time, the vineyard owners didn't know which grape varieties they were growing. | WIKI |
| A pioneering effort were made in the 1970s which identified Touriga Nacional, Tinta Roriz, Touriga Franca, Tinta Cxc3xa3o and Tinta Barroca as the prime dark-skinned grape varieties. | WIKI |
| [3] This work was important for creating the new wave of top Douro wines and has also led to a greater focus on the grape varieties that go into Port wine. | WIKI |