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Antão Vaz

From Vinopedia

Antão Vaz is a white grape variety native to Portugal and is most closely associated with the Alentejo region, where it is regarded as one of the area’s leading indigenous white grapes. It is valued for its ability to retain structure and aromatic intensity under warm, dry growing conditions.[1]

Origin and distribution

Antão Vaz originates in southern Portugal and has long been cultivated in Alentejo, particularly in the subregions of Vidigueira, Reguengos and Borba. Its historical development is closely linked to inland, continental Mediterranean climates characterised by high summer temperatures and low rainfall.[2]

Today, Antão Vaz remains largely confined to Portugal, with limited plantings elsewhere. It is frequently blended with other Portuguese white varieties but is also increasingly vinified as a single-varietal wine.[3]

Viticultural characteristics

Antão Vaz is well adapted to warm-climate viticulture. It buds relatively late, reducing the risk of spring frost, and ripens fully under high temperatures while maintaining acidity and phenolic balance.[4]

The variety shows good tolerance to heat and drought, producing grapes with thick skins and relatively high extract. Careful vineyard management is required to avoid excessive sugar accumulation and loss of freshness in very hot vintages.[5]

Wine styles and characteristics

Wines made from Antão Vaz typically display medium to full body, moderate to high alcohol and a firm structural profile for a white wine. Aromatically, they may show citrus fruit, stone fruit, melon and herbal notes, often accompanied by a subtle phenolic grip.[6]

Depending on harvest timing and winemaking approach, styles range from fresh, stainless-steel-fermented wines to more concentrated expressions that undergo oak fermentation or ageing, resulting in greater texture and ageing potential.[7]

Winemaking considerations

Antão Vaz responds well to controlled fermentation temperatures that preserve aromatic compounds while maintaining structure. Oak ageing is sometimes used to enhance mouthfeel and complexity, particularly in premium Alentejo wines intended for bottle ageing.[8]

Blending remains common, with Antão Vaz often paired with varieties such as Arinto or Roupeiro to balance richness with acidity and aromatic lift.[9]

Economic and cultural significance

Antão Vaz plays an important role in the modern identity of Alentejo white wines, contributing to the region’s growing international reputation for structured, warm-climate whites. It is promoted by regional bodies as a flagship indigenous variety.[10]

Its success reflects broader trends in Portuguese wine, where native grape varieties are increasingly positioned as distinctive alternatives within global wine markets.[11]

See also

References

  1. ↑ Jancis Robinson, Oxford Companion to Wine, Oxford University Press, 17 Sept. 2015. ISBN 9780198705383.
  2. ↑ Hugh Johnson, Jancis Robinson, World Atlas of Wine: 8th edition, Mitchell Beazley, 1 Oct. 2019. ISBN 9781784724030.
  3. ↑ Instituto da Vinha e do Vinho (IVV), “Castas portuguesas: Antão Vaz”.
  4. ↑ Markus Keller, The Science of Grapevines: Anatomy and Physiology, Academic Press Inc, 19 Jan. 2015. ISBN 9780124199873.
  5. ↑ PhD Jackson, Ronald S., Wine Science: Principles and Applications, Academic Press Inc, 14 April 2020. ISBN 9780128161180.
  6. ↑ Stevenson, The Sotheby’s Wine Encyclopedia, DK, 2011, ISBN 9780756686840.
  7. ↑ Karen MacNeil, The Wine Bible, Workman Adult, October 11, 2022. ISBN 9781523510092.
  8. ↑ Pascal Ribéreau-Gayon, Yves Glories, Alain Maujean, Denis Dubourdieu, & 1 more, Handbook of Enology, Volume 2: The Chemistry of Wine - Stabilization and Treatments, Wiley, 31 Mar. 2006. ISBN 9780470010372.
  9. ↑ Jancis Robinson, Jose Vouillamoz, Julia Harding, & 0 more, Wine Grapes: A Complete Guide to 1,368 Vine Varieties, Including Their Origins and Flavours, Ecco, 1 Nov. 2012. ISBN 9780062206367.
  10. ↑ Comissão Vitivinícola Regional Alentejana (CVRA).
  11. ↑ Anderson & Pinilla, Wine Globalization, Cambridge University Press, 2018, ISBN 9781108445687.
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