The flavor of grappa, like that of wine, depends on the type and quality of the grapes used, as well as the specifics of the distillation process. Grappa is made by distilling the skins, pulp, seeds, and stems (i.e., the pomace) left over from winemaking after pressing the grapes. It was originally made to prevent waste by using these leftovers. A similar drink, known as acquavite d'uva, is made by distilling whole must.
- Produced in Italy, or in the Italian part of Switzerland, or in San Marino
- Produced from pomace
- Fermentation and distillation must occur on the pomace—no added water
Criterion 2 rules out the direct fermentation of pure grape juice, which is the method used to produce brandy.
Criterion 3 has two important implications. First, the distillation must occur on solids. Thus, it is carried out not with a direct flame but with a bain-marie or steam distillation; otherwise, the pomace may burn. Second, the woody parts of the grapes (the stems and seeds) are co-fermented with the sugar-rich juice; this produces a very small amount of methanol, which is much more toxic than ethanol. Unlike in the similar process of making red wine, in grappa the methanol must be carefully removed during distillation. That is why there is an Italian law requiring winemakers to sell their pomace to grappa makers; this is a measure that was taken against moonshine operations, which are now very rare in Italy.
Use of the word grappa for product distilled in the United States is still allowed and falls under the Class definition of brandy further classified type as pomace, specifically grappa or grappa brandy.
In Italy, grappa is primarily served as a digestivo or after-dinner drink. Its main purpose is to aid in the digestion of heavy meals. Grappa may also be added to espresso coffee to create a caffè corretto, meaning "corrected" coffee. Another variation of this is the ammazzacaffè ("coffee-killer"): the espresso is drunk first, followed by a few ounces of grappa served in its own glass. In Veneto, there is resentin ("little rinser"): after finishing a cup of espresso with sugar, a few drops of grappa are poured into the nearly empty cup, swirled, and drunk down in one sip.
Most grappa is clear, indicating it is an unaged distillate, though some may retain very faint pigments from their original fruit pomace. Lately,[clarification needed] aged grappas have become more common, and these take on a yellow or red-brown hue from the barrels in which they are stored.
Grappa is also well known in Uruguay and Argentina, due to the significant Italian immigration in those countries. It is served as in Italy, after the main meals. In Uruguay, a local version called grappamiel has also been created, which sees honey added to the traditional grappa. It is widely served and mostly drunk in winter because it "warms" the throat.
Distillation is an ancient practice that can be traced back to the first century AD. While the distillation of alcohol may have been carried out reliably by the School of Salerno in the 12th century, fractional distillation was developed by Taddeo Alderotti in the 13th century. There is a legend that tells of a Roman soldier who first distilled grappa in the northern Italian town of Bassano del Grappa using distilling equipment stolen in Egypt ("Crisiopea di Cleopatra" 2nd century AD). However, the story cannot be considered reliable as such equipment could not produce grappa. Distillation useful for producing beverages was not discovered until the eighth century, and it likely took about two more centuries for the technology to travel from its home in the Levant and Persia to Italy (likely by route of the Crusades).
Around 1300–1400 AD, however, the introduction of water as a coolant in the distilling equipment made it possible to produce a substantially larger amount of distilled wine and to distill pomace. Around 1600 AD, the Jesuits in Spain, Italy and Germany studied and codified the techniques used to produce brandy or grappa, and their methods were used until recent times.The Museum of Wine and Grappa shows historical equipment used in the early years of grappa distillation.
The modernisation of grappa distillation is relatively recent, probably in 1979 in Northern Italy. Initially it was carried out by direct flame but soon the advantages of a bain-marie or steam distillation to obtain a better product became obvious. Modern refinements included the distillation of pomace under vacuum, the use of varietal grapes and ageing in casks of various types of wood to improve the flavor of the liquor. Oak is the most used, but some more expensive grappas are aged successively in casks of acacia, ash and cherry-wood, an innovation introduced by the Marzadro Distillery. In Sardinia, Grappa is colloquially known as Filu è Ferru (iron wire), as most of the distillation was illegally home-made in order to avoid customs and excise taxes. The illegally distilled liquor was bottled, sealed and then buried in orchards, fields and pastures, awaiting sale. A bit of iron wire was tied around the bottleneck, barely protruding through the soil; after some time the wire would rust and disappear completely save for a faintly brown-red stain to the topsoil on the spot where the bottle was buried. While the peasant distiller could easily recognize the colored spot, the urban-schooled Guardia di Finanza officers were generally unable to tell the difference.
Professional tasters distinguish among four categories of grappa: young, cask-conditioned, aromatic, and aromatized. Grappa tastings begin with young grappas, then continue with cask-conditioned and aromatic grappas, and finish with aromatized grappas.
When the tasting involves more than one grappa from the same category, the examination begins with the grappa that has the lowest alcohol content and concludes with the product richest in alcohol. When two grappas have the same alcohol content, the tasting begins with the smoother and less markedly flavored product, which the organizer of the tasting will have selected beforehand.
Another way to "taste" grappa is by rubbing a small amount on the back of the hand and sniffing. If the aroma is pleasant, the grappa is well made. Impurities in grappa come out in the vapor and can be easily distinguished in this way.
After each tasting, and before sampling another glass, some tasters recommend drinking half a glass of milk to refresh the taste receptors on the tongue.
Various other food products can help stop taste-characteristics of one grappa from "dragging" or carrying over to the next. Foods that are effective in this role as well as providing an agreeable accompaniment to grappa's own flavor include:
- Salted pistachio nuts
- Rusks spread with acacia-blossom honey and topped with a flake of mature Montasio or Parmigiano-Reggiano cheese[better source needed]
- List of geographical designations for spirit drinks in the European Union
- Aguardiente: Chile
- Aragh: Persia
- Bagaceira: Portugal
- Chacha: Georgia
- Filu 'e ferru: Sardinia
- Loza or Rakija/Ракија: Serbo-Croatian (Bosnian, Croatian, Serbian and Montenegrin), Macedonian
- Marc: France
- Oghi: Armenia
- Orujo: Spain
- Pisco: Peru
- Rachiu de tescovină: Romania
- Rakia/Rakija: Balkans
- Rakia (Pакия): Bulgaria
- Törkölypálinka: Hungary
- Tresterbrand: Germany
- Tsipouro: Greece
- Zivania: Cyprus
- Regulation (EC) No 110/2008 on the definition, description, presentation, labelling and the protection of geographical indications of spirit drinks Regulation (EC) No 110/2008., Annex II paragraph 6 (grape marc spirit) and Annex III (geographical indications)
- "eCFR — Code of Federal Regulations". Retrieved 14 April 2015.
- Forbes, Robert James (1970). A short history of the art of distillation: from the beginnings up to the death of Cellier Blumenthal. BRILL. pp. 57, 89. ISBN 978-90-04-00617-1. Retrieved 29 June 2010.
- Sarton, George (1975). Introduction to the history of science. R. E. Krieger Pub. Co. p. 145. ISBN 0-88275-172-7.
- Holmyard, Eric John (1990). Alchemy. Courier Dover Publications. p. 53. ISBN 0-486-26298-7.
- Istituto Nazionale Grappa (in Italian)
- (Source: Lessons on Discriminating Drinking/Distilleria Domenis)
- Ove Boudin, Grappa: Italy Bottled (Wine Appreciation Guild 2008)
- Axel Behrendt, et al., Grappa: A Guide to the Best (Abbeville Publishing Group (Abbeville Press, Inc.) 2000)
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