Touriga Nacional is a variety of red

wine grape A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus ''Vitis''. Grapes are a non- climacteric type of fruit, generally occurring in clusters. The cultivation of grapes began approximately 8,0 ...

, considered by many to be

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...

's finest. Despite the low yields from its small grapes, it plays a big part in the blends used for

ports Ports collections (or ports trees, or just ports) are the sets of makefiles and Patch (Unix), patches provided by the BSD-based operating systems, FreeBSD, NetBSD, and OpenBSD, as a simple method of installing software or creating binary packages. T ...

, and is increasingly being used for table

wine Wine is an alcoholic drink made from Fermentation in winemaking, fermented fruit. Yeast in winemaking, Yeast consumes the sugar in the fruit and converts it to ethanol and carbon dioxide, releasing heat in the process. Wine is most often made f ...

in the

Douro The Douro (, , , ; ; ) is the largest river of the Iberian Peninsula by discharge. It rises near Duruelo de la Sierra in the Spanish Soria Province, province of Soria, meanders briefly south, then flows generally west through the northern par ...

and Dão. Touriga Nacional provides structure and

body Body may refer to: In science * Physical body, an object in physics that represents a large amount, has mass or takes up space * Body (biology), the physical material of an organism * Body plan, the physical features shared by a group of anim ...

to wine, with high

tannins Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' is widely applied to any large po ...

and concentrated

flavors Flavour or flavor is either the sensory perception of taste or smell, or a flavoring in food that produces such perception. Flavour or flavor may also refer to: Science * Flavors (programming language), an early object-oriented extension to L ...

of black fruit.

Jancis Robinson Jancis Mary Robinson OBE, ComMA, MW (born 22 April 1950) is a British wine critic, journalist and wine writer. She currently writes a weekly column for the ''Financial Times'', and writes for her website JancisRobinson.com, updated daily. She ...

has compared its relationship with Touriga Francesa to the partnership between

Cabernet Sauvignon Cabernet Sauvignon () is one of the world's most widely recognized red wine grape varieties. It is grown in nearly every major wine producing country among a diverse spectrum of climates from Australia and British Columbia, Canada to Lebano ...

and

Cabernet Franc Cabernet Franc is one of the major black grape varieties worldwide. It is principally grown for blending with Cabernet Sauvignon and Merlot in the Bordeaux (wine), Bordeaux style, but can also be vinified alone, as in the Loire (wine), Loire's C ...

, the former providing structure, the latter filling out the bouquet.J. Robinson ''Vines, Grapes & Wines'' pg 216 Mitchell Beazley 1986

Viticulture

The vine is very vigorous, and good results depend on keeping it in check. In the Douro it is grown in searing heat in steep

schist Schist ( ) is a medium-grained metamorphic rock generally derived from fine-grained sedimentary rock, like shale. It shows pronounced ''schistosity'' (named for the rock). This means that the rock is composed of mineral grains easily seen with a l ...

y vineyards that are more rock than soil. The alternative name of Mortágua pays tribute to these harsh conditions. It is usually trained under one of the Guyot systems, and needs severe pruning to keep it under control. In contrast, the vine produces just a few bunches of blue-black grapes which vary in size from 'small' to 'tiny'. Thus yields are among the lowest of any commercial grape variety. In recent years, scientists have been working on

cloning Cloning is the process of producing individual organisms with identical genomes, either by natural or artificial means. In nature, some organisms produce clones through asexual reproduction; this reproduction of an organism by itself without ...

the Touriga Nacional to produce vines that are able to pollinate better with the goal of increasing yields by 15% and sugar content by 10%.T. Stevenson ''"The Sotheby's Wine Encyclopedia"'' pg 335 Dorling Kindersley 2005

Wine regions

In the late 1990s there were of Touriga Nacional in Portugal. Its poor yields mean that it represents a tiny part of the wine production in the Douro, but it plays a major part in the blends of the best

port A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as Hamburg, Manch ...

s. Traditionally a lot of US wine made from Touriga Nacional was fortified, and many of the producers of such 'port' have experimented with using Portuguese grapes as a way to improve their product. 553 tons of Touriga were crushed in the USA in 2006, up 26% on the previous year.Great article on the new Californian 'ports'

Wines

The tiny berries of Touriga Nacional have a high skin to pulp ratio which heightens the amount of

extract An extract (essence) is a substance made by extracting a part of a raw material, often by using a solvent such as ethanol, oil or water. Extracts may be sold as tinctures or absolutes or dried and powdered. The aromatic principles of ma ...

in the wines. The grapes can produce intense, very aromatic wines with high

tannin Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and Precipitation (chemistry), precipitate proteins and various other organic compounds including amino acids and alkaloids. The term ''tannin'' is widel ...

content.

Synonyms

Bical Tinto, Mortágua, Mortágua Preto, Preto Mortágua, Touriga, Touriga Fina, Tourigao, Tourigo Antigo, Tourigo do Dão, and Turiga.

References

External links