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Ancestral method is a traditional technique for producing sparkling wine in which fermentation is completed in bottle from a single, uninterrupted alcoholic fermentation. The method predates the development of the méthode traditionnelle and is characterised by the retention of naturally produced carbon dioxide from the primary fermentation, rather than through a secondary fermentation.<ref>Jancis Robinson, ''Oxford Companion to Wine'', Oxford University Press, 17 Sept. 2015. ISBN 9780198705383.</ref>

== Definition and process ==

In the ancestral method, grape must begins fermenting in tank or cask and is bottled before alcoholic fermentation is complete. Residual sugars and active yeast remain in the bottle, allowing fermentation to finish under closure and trapping carbon dioxide, which creates natural effervescence.<ref>PhD Jackson, Ronald S., ''Wine Science: Principles and Applications'', Academic Press Inc, 14 April 2020. ISBN 9780128161180.</ref>

Unlike the méthode traditionnelle, no liqueur de tirage is added, and the carbonation derives entirely from the original fermentation. [[Bottling]] typically occurs at low temperatures to temporarily halt fermentation, which then resumes when temperatures rise.<ref>Ribéreau-Gayon et al., ''Handbook of Enology, Volume 2'', Wiley, 2006, ISBN 9780470010396.</ref>

== Historical context ==

The ancestral method is widely regarded as the earliest form of sparkling wine production, emerging before the understanding of fermentation and pressure control. Early examples are associated with cool-climate regions where winter temperatures interrupted fermentation, which naturally resumed in spring after bottling.<ref>Peynaud, ''Knowing and Making Wine'', Wiley, 1984, ISBN 9780471881491.</ref>

Historically, these wines were often cloudy and variable, reflecting limited control over fermentation kinetics and bottle pressure. The later development of controlled secondary fermentation led to more predictable sparkling wine styles and the gradual marginalisation of ancestral techniques in many regions.<ref>Roderick Phillips, ''A Short History of Wine'', Ecco Pr, 1 Nov. 2001. ISBN 9780066212821.</ref>

== Wine style and characteristics ==

Wines produced by the ancestral method are typically lower in alcohol, may retain some residual sugar, and often display a softer, less persistent mousse than traditionally produced sparkling wines.<ref>Hugh Johnson, Jancis Robinson, ''World Atlas of Wine: 8th edition'', Mitchell Beazley, 1 Oct. 2019. ISBN 9781784724030.</ref>

They are frequently bottled without disgorgement, resulting in a cloudy appearance due to retained lees. Aromatically, these wines may show fresh fruit notes, fermentative characters and, in some cases, rustic or yeasty elements associated with minimal intervention.<ref>Stevenson, ''The Sotheby’s Wine Encyclopedia'', DK, 2011, ISBN 9780756686840.</ref>

== Modern usage and regulation ==

In recent decades, the ancestral method has experienced renewed interest, particularly in association with pétillant naturel (pét-nat) wines and broader movements favouring traditional or low-intervention winemaking.<ref>Karen MacNeil, ''The Wine Bible'', Workman Adult, October 11, 2022. ISBN 9781523510092.</ref>

Certain appellations formally recognise and regulate the ancestral method, with defined technical specifications governing fermentation, bottling and finishing practices.<ref>Institut National de l’Origine et de la Qualité (INAO), “Méthode ancestrale specifications”.</ref>

At the international level, the method is recognised among authorised sparkling wine practices, although regulatory treatment varies by jurisdiction.<ref>OIV, “Traditional and alternative sparkling wine methods”, https://www.oiv.int</ref>

== Cultural and market significance ==

The contemporary revival of the ancestral method reflects both stylistic experimentation and shifting consumer preferences towards wines perceived as authentic or historically grounded. These wines occupy a niche position within the global sparkling wine market, often emphasising artisanal production and regional identity.<ref>Anderson & Pinilla, ''Wine Globalization'', Cambridge University Press, 2018, ISBN 9781108445687.</ref>

The method has also become culturally associated with the natural wine movement, though ancestral-method wines are produced across a wide spectrum of technical approaches and quality levels.<ref>Charters, ''Wine and Society'', Elsevier, 2006, ISBN 9780750669788.</ref>

== See also ==

* [[Méthode traditionnelle]]
* [[Sparkling wine]]
* [[Pétillant naturel]]
* [[Alcoholic fermentation]]
* [[Natural wine]]

== References ==
{{reflist}}

[[Category:Sparkling wine]]
[[Category:Winemaking]
[[Category:Fermentation]]
[[Category:Wine styles]]