Port

Port is a fortified wine from Portugal’s Douro Valley. Fermentation is stopped by adding grape spirit, a process called mutage, which preserves natural grape sugar and produces a wine with elevated alcohol and sweetness. Port is traditionally matured and shipped through Vila Nova de Gaia, although modern production and ageing practices vary. It is made in several styles, including Ruby, Tawny, Vintage, Late Bottled Vintage (LBV) and White Port.

Production and grape varieties

Port is made from a field blend of permitted Douro grape varieties, commonly including Touriga Nacional, Touriga Franca, Tinta Roriz (Tempranillo), Tinta Barroca and Tinto Cão. Fermentation is relatively short before fortification, helping retain colour, fruit and residual sugar. The wine is then matured according to its intended style.

Main styles of Port

• Ruby: youthful, fruit-forward Port matured to preserve colour and primary fruit.
• Reserve Ruby: a selected Ruby style with additional requirements and a more polished profile.
• Late Bottled Vintage (LBV): made from a single vintage and matured in wood for a longer period before bottling; most is ready to drink on release, although some traditional unfiltered versions may benefit from decanting.
• Vintage Port: declared in selected years and matured relatively briefly in wood before long bottle ageing.
• Tawny Port: matured oxidatively in wood, developing nut, dried-fruit and caramel notes; age indications such as 10, 20, 30 or 40 years refer to an approved style blend, not necessarily the exact age of every component.
• White Port: made from white grapes and available in dry, off-dry and sweet styles.

Service and food pairing

Ruby and Vintage Port pair with blue cheese, chocolate and rich desserts. Tawny Port works with nuts, caramel, dried fruit and aged cheeses. White Port can be served chilled as an aperitif, sometimes with tonic. Vintage Port may require decanting to remove sediment.

Example: serve a 20-year Tawny with walnuts and aged cheese, or pair Vintage Port with Stilton or dark chocolate.

Chef’s note: choose the style according to sweetness, oxidative character and serving temperature. Port is not one uniform sweet red wine.