PORT WINE OF PORTUGAL

Port wine (also porto wine) is sweet, fortified wine from the Douro Valley in the northern part of Portugal; it takes its name from the city of Oporto, the centre of port export and trading. Port has been made in Portugal since the mid 15th Century. Port became very popular in England after the Methuen Treaty of 1703, when merchants were permitted to import it at a low duty, while war with France deprived English wine drinkers of French wine.

The continued English involvement in the port trade can be seen in the names of many port shippers: Croft, Fonseca, Taylor, Dow, Graham, Symington. Similar wines, often also called "Port", are made in several other countries, notably Australia and the United States. It has been made in and around St. Augustine, Florida since the mid 16th Century. In some nations, including Canada, after a phase-in period, and the countries of the European Union, only the product from Portugal may be labeled as "port."

Port wine is typically thicker, richer, sweeter, and possesses a higher alcohol content than most other wines. This is caused by the addition of distilled grape spirits to fortify the wine and halt fermentation before all the sugar is converted to alcohol. It is commonly served after meals as a dessert wine, or with cheese, except in France where is served as an apéritif. It has an alcohol by volume content of 18% to roughly 30%.

Wine with less than 16% ethanol cannot protect itself against spoilage if exposed to air; with an alcohol content of 18% or higher, port wine can safely be stored in wooden casks that 'breathe', thereby permitting the fine aging of port wine. (In contrast, wines with only a slightly lesser fortified alcohol content of 15% to 17.5% are considered to be sherry, formerly known as 'sack'.)

Port from Portugal comes in several varieties;


VINTAGE PORT

Vintage port is made entirely from grapes of a declared vintage year. Not every year is declared a vintage in the Douro, only those when conditions are favorable to particularly flavorful crops of grapes. The decision to declare a vintage is made by each individual port house, and is based on several factors, most notably the weather and the ability of the marketplace to absorb a new vintage. While it is by far the most renowned type of port, from a volume and revenue standpoint vintage port actually makes up a small percentage of the production of a typical port house. Vintage ports are aged in barrels for a maximum of 2 years before bottling, and often require another 5 to 15 years of aging in the bottle before reaching what is considered proper drinking age. Since they are aged in barrels for only a short time, they retain their dark ruby color and fresh fruit flavors. Particularly fine vintage ports can continue to gain complexity and drink wonderfully for decades after they were bottled, and therefore can be particularly sought after and expensive wines. Single Quinta Vintage Port is produced from a particular vinyard and often from a lesser "undeclared" year.

"Port" wines produced outside of Portugal may be labeled with a vintage date, but rarely possess the quality and proven ageability of true vintage port. They are vintage in the sense that they come from the produce of a specific year, but typically are produced nearly every year regardless of vintage conditions and are meant for immediate consumption. Nonetheless, many such "ports" or port-style wines improve with age, and some even have won awards from major wine critics in head-to-head comparisons with port produced in Portugal, winning over other, lesser, "port" wines produced in America every year regardless of vintage conditions.


TAWNY PORT

Tawny port is aged in wooden barrels, exposing it to gradual oxidation and evaporation, causing its color to mellow to a golden-brown after roughly ten years "in wood." Often they have pronounced "nutty" flavors. Tawny port without an indication of age is a basic blend of wood aged port. Aged tawny port is a blend of several vintages, with the average years "in wood" stated on the label: 10, 15, 20, and 30 years are common. Tawny ports from a single vintage are called Colheitas (pronounced col-YATE-ah, meaning harvest or vintage). Tawny and Colheita ports are always ready to drink when released and do not typically benefit from aging in bottle, although they will not degrade either. Because it has already been exposed to oxygen, an open bottle of tawny resists oxidation the longest of all ports.

"Tawny" port produced outside Portugal is rarely aged long enough to develop a natural tawny color. Instead, it is the result of blending "ruby" and "white" ports, or possibly the addition of caramel coloring.


GARRAFEIRA PORT

Garrafeira port is similar to Colheita. It is made from grapes of a single vintage, aged in wood between three and six years and then aged in large approximately 10L glass demijohns for an extended time.


LATE BOTTLED VINTAGE

LBV (Late-Bottled Vintage) port is intended to provide some of the experience of drinking a vintage port but without the decade-long wait of bottle ageing. In contrast to vintage port's short time in barrel, LBV port is aged between four to six years in barrel, to mature it more quickly. Typically ready to drink when released, LBV ports are the product of a single year's harvest and tend to be smoother and lighter-bodied than a vintage port. LBV ports that are filtered do not require decanting and are ready to drink at bottling. Unfiltered or "Traditional" LBV ports require decanting like vintage ports do, and may improve in the bottle.


CRUSED PORT

Crusted port is a blend of port wine from several years; the "crust" refers to the sediment that it has in common with Late-Bottled and vintage ports; it is mentioned to distinguish it from the younger and inferior ruby port, which typically does not produce a sediment.


RUBY PORT

Ruby port may contain wine from several vintages. Ruby ports are fermented in wood and aged in glass, which preserves the wine's red color. It is considerably cheaper than vintage port, and can be used in cooking or to make cocktails.


WHITE PORT

White port is made from white grapes, and generally served as a chilled aperitif. It is the only one which is optionally available dry as well.

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