House of Champagne

Champagne (, ) is a sparkling wine originated and produced in the Champagne wine region of France under the rules of the appellation, that demand specific vineyard practices, sourcing of grapes exclusively from designated places within it, specific grape-pressing methods and secondary fermentation of the wine in the bottle to cause carbonation.

The grapes Pinot noir, Pinot meunier, and Chardonnay are used to produce almost all Champagne, but small amounts of Pinot blanc, Pinot gris (called Fromenteau in Champagne), Arbane, and Petit Meslier are vinified as well.

Champagne became associated with royalty in the 17th, 18th, and 19th centuries. The leading manufacturers made efforts to associate their Champagnes with nobility and royalty through advertising and packaging, which led to its popularity among the emerging middle class.

Origins

Still wines from the Champagne region were known before medieval times. The Romans were the first to plant vineyards in this area of north-east France, with the region being tentatively cultivated by the 5th century. In fact, cultivation was initially slow due to the unpopular edict by Emperor Domitian that all colonial vines must be uprooted. When Emperor Probus, the son of a gardener, rescinded the edict, a temple to Bacchus was erected, and the region started to produce a light, fruity, red wine that contrasted with heavier Italian brews often fortified with resin and herbs. Later, churches owned vineyards and monks produced wine for use in the sacrament of the Eucharist. French kings were traditionally anointed in Reims, and champagne was served as part of coronation festivities. The Champenois were envious of the reputation of the wines made by their Burgundian neighbours to the south and sought to produce wines of equal acclaim. However, the northerly climate of the region gave the Champenois a unique set of challenges in making red wine. At the far extremes of sustainable viticulture, the grapes would struggle to ripen fully and often would have bracing levels of acidity and low sugar levels. The wines would be lighter bodied and thinner than the Burgundy wines they were seeking to outdo.

Contrary to legend and popular belief, Dom Pérignon did not invent sparkling wine, though he did make important contributions to the production and quality of both still and sparkling Champagne wines. The oldest recorded sparkling wine is Blanquette de Limoux, which was apparently invented by Benedictine monks in the Abbey of Saint-Hilaire, near Carcassonne, in 1531. They achieved this by bottling the wine before the initial fermentation had ended. Over a century later, the English scientist and physician Christopher Merret documented the addition of sugar to a finished wine to create a second fermentation, six years before Dom Pérignon set foot in the Abbey of Hautvillers. Merret presented a paper at the Royal Society, in which he detailed what is now called ', in 1662. Merret's discoveries coincided also with English glass-makers' technical developments that allowed bottles to be produced that could withstand the required internal pressures during secondary fermentation. French glass-makers at this time could not produce bottles of the required quality or strength. As early as 1663, the poet Samuel Butler referred to "brisk champagne".

In France, the first sparkling champagne was created accidentally; the pressure in the bottle led it to be called "the devil's wine" ('), as bottles exploded or corks popped. At the time, bubbles were considered a fault. In 1844, Adolphe Jaquesson invented the muselet to prevent the corks from blowing out. Initial versions were difficult to apply and inconvenient to remove. Even when it was deliberately produced as a sparkling wine, champagne was for a very long time made by the ', where the wine was bottled before the initial fermentation had finished. Champagne did not use the ' until the 19th century, about 200 years after Merret documented the process. The 19th century saw an dramatic growth in champagne production, going from a regional production of 300,000 bottles a year in 1800 to 20 million bottles in 1850. In 2007, champagne sales hit an all-time record of 338.7 million bottles.

In the 19th century, champagne was noticeably sweeter than the champagnes of today. The trend towards drier champagne began when Perrier-Jouët decided not to sweeten his 1846 vintage before exporting it to London. The designation ''Brut'' Champagne was created for the British in 1876.

Right to the name Champagne

The Champagne winemaking community, under the auspices of the (CIVC), has developed a comprehensive set of rules and regulations for all wine produced in the region to protect its economic interests. They include codification of the most suitable growing places, the most suitable grape types (most Champagne is a blend of up to three grape varieties, though other varieties are allowed), and a lengthy set of requirements specifying most aspects of viticulture. This includes pruning, vineyard yield, the degree of pressing, and the time that wine must remain on its lees before bottling. It can also limit the release of Champagne to market, to maintain prices. Only when a wine meets these requirements may it be labelled Champagne. The rules agreed upon by the CIVC are submitted for the final approval of the (formerly the ', INAO).

In 2007, the INAO, the government organization that controls wine appellations in France, was preparing to make the largest revision of the region's legal boundaries since 1927, in response to economic pressures. With soaring demand and limited production of grapes, Champagne houses say the rising price could produce a consumer backlash that would harm the industry for years into the future. That, along with political pressure from villages that want to be included in the expanded boundaries, led to the move. Changes are subject to significant scientific review and are said to not impact Champagne-produced grapes until 2020. A final decision is not expected until 2023 or 2024.

Use of the word ''Champagne''

Sparkling wines are produced worldwide, but many legal structures reserve the word ''Champagne'' exclusively for sparkling wines from the Champagne region, made in accordance with regulations. In the European Union and many other countries, the name ''Champagne'' is legally protected by the Madrid system under an 1891 treaty, which reserved it for the sparkling wine produced in the eponymous region and adhering to the standards defined for it as an '; the protection was reaffirmed in the Treaty of Versailles after World War I. Similar legal protection has been adopted by over 70 countries. Most recently Australia, Chile, Brazil, Canada and China passed laws or signed agreements with Europe that limit the use of the term "Champagne" to only those products produced in the Champagne region. The United States bans the use from all new U.S.-produced wine brands. However, those that had approval to use the term on labels before 2006 may continue to use it, provided the term is accompanied by the wine's actual origin (e.g., "California"). The majority of US-produced sparkling wines do not use the term ''Champagne'' on their labels, and some states, such as Oregon,Oregon State Law 471, including 471.030, 471.730 (1) & (5) ban producers in their states from using the term. However, outside North America, the American sparkling wine Schmittmann's is called Schmittmann's Champagne, despite being produced in Allen, Texas.

Several key U.S. wine regions, such as those in California ( Napa, Sonoma Valley, Paso Robles), Oregon, and Walla Walla, Washington, came to consider the remaining semi-generic labels as harmful to their reputations (cf. Napa Declaration on Place).

Even the terms ' and ''Champagne method'' were forbidden by an EU court decision in 1994. the description most often used for sparkling wines using the second fermentation in the bottle process, but not from the Champagne region, is '. Sparkling wines are produced worldwide, and many producers use special terms to define them: Spain uses '' Cava'', Italy designates it ', and South Africa uses '. An Italian sparkling wine made from the Muscat grape uses the DOCG '' Asti'' and from the Glera grape the DOC ''Prosecco''. In Germany, Sekt is a common sparkling wine. Other French wine regions cannot use the name Champagne: e.g., Burgundy and Alsace produce '. In 2008, more than 3,000 bottles of sparkling wine produced in California labelled with the term "Champagne" were destroyed by Belgian government authorities.

Regardless of the legal requirements for labeling, extensive education efforts by the Champagne region, and the use of alternative names by non-Champagne sparkling wine producers, some consumers and wine sellers, including "Korbels California Champagne", use ''Champagne'' as a generic term for white sparkling wines, regardless of origin.

The village of Champagne, Switzerland, has traditionally made a still wine labelled as "Champagne": the earliest records of viticulture dated to 1657. In 1999, in an accord with the EU, the Swiss government conceded that, by 2004, the village would phase out use of the name. Sales dropped from 110,000 bottles a year to 32,000 after the change. In April 2008, the villagers resolved to fight against the restriction following a Swiss open-air vote.

In the Soviet Union, all sparkling wines were called (', Russian for "that, which is of Champagne"). The name is still used today for some brands of sparkling wines produced in former Soviet republics, such as ' and '. In 2021, Russia banned the use of the designation for imported sparkling wine, including sparkling wine produced in the Champagne wine region, reserving the designation for domestically produced sparkling wine only.

When not capitalised, champagne continues to be a generic name for sparkling wine of any origin.

Production

Formerly known as ''méthode champenoise'' or ''méthode classique'', champagne is produced by a traditional method. After primary fermentation and bottling, a second alcoholic fermentation occurs in the bottle. This second fermentation is induced by adding several grams of yeast ''Saccharomyces cerevisiae'' and rock sugar to the bottle - although each brand has its own secret recipe. According to the ' a minimum of 1.5 years is required to completely develop all the flavour. For years where the harvest is exceptional, a ' is declared and some champagne will be made from and labelled as the products of a single vintage (''vintage champagne'') rather than a blend of multiple years' harvests. This means that the champagne will be very good and has to mature for at least 3 years. During this time the champagne bottle is sealed with a crown cap similar to that used on beer bottles.

After aging, the bottle is manipulated, either manually or mechanically, in a process called ' (or "riddling" in English), so that the lees settle in the neck of the bottle. After chilling the bottles, the neck is frozen, and the cap removed. This process is called disgorgement. The 6 bar pressure in the bottle forces out the ice containing the lees. Some wine from previous vintages and additional sugar (') is added to maintain the level within the bottle and adjust the sweetness of the finished wine. The bottle is then quickly corked to maintain the carbon dioxide in solution.

Bubbles

An initial burst of effervescence occurs when the champagne contacts the dry glass on pouring. These bubbles form on imperfections in the glass that facilitate nucleation or, to a minimal extent, on cellulose fibres left over from the wiping and drying process as shown with a high-speed video camera. However, after the initial rush, these naturally occurring imperfections are typically too small to consistently act as nucleation points as the surface tension of the liquid smooths out these minute irregularities. The nucleation sites that act as a source for the ongoing effervescence are not natural imperfections in the glass, but actually occur where the glass has been etched by the manufacturer or the customer. This etching is typically done with acid, a laser, or a glass etching tool from a craft shop to provide nucleation sites for continuous bubble formation (note that not all glasses are etched in this way). In 1662 this method was developed in England, as records from the Royal Society show.

Dom Pérignon was originally charged by his superiors at the Abbey of Hautvillers to get rid of the bubbles since the pressure in the bottles caused many of them to burst in the cellar. As sparkling wine production increased in the early 18th century, cellar workers had to wear a heavy iron mask to prevent injury from spontaneously bursting bottles. The disturbance caused by one bottle exploding could cause a chain reaction, with it being routine for cellars to lose 20–90% of their bottles this way. The mysterious circumstance surrounding the then unknown process of fermentation and carbonic gas caused some critics to call the sparkling creations "The Devil's Wine".

Champagne producers

There are more than one hundred champagne houses and 19,000 smaller ' (vine-growing producers) in Champagne. These companies manage some 32,000 hectares of vineyards in the region. The type of champagne producer can be identified from the abbreviations followed by the official number on the bottle:

* NM: '. These companies (including the majority of the larger brands) buy grapes and make the wine
* CM: '. Cooperatives that make wines from the growers who are members, with all the grapes pooled together
* RM: '. (Also known as Grower Champagne) A grower that also makes wine from its own grapes (a maximum of 5% of purchased grapes is permitted). Note that co-operative members who take their bottles to be disgorged at the co-op can now label themselves as RM instead of RC
* SR: '. An association of growers making a shared Champagne but who are not a co-operative
* RC: '. A co-operative member selling champagne produced by the co-operative under its own name and label
* MA: ' or '. A brand name unrelated to the producer or grower; the name is owned by someone else, for example a supermarket
* ND: '. A wine merchant selling under his own name

Marketing

In the 19th century, champagne was produced and promoted to mark contemporary political events, for example, the Franco-Russian Alliance of 1893, and Tennis Court Oath to mark the centennial of French Revolution.Guy, Kolleen M. ""Oiling the Wheels of Social Life": Myths and Marketing in Champagne during the Belle Epoque." French Historical Studies 22.2 (1999): 211-39. Web. 28 February 2017. By selling champagne as a nationalist ideology, négociant manages to associate champagne with leisure activities and sporting events. In addition, négociant successfully appeal champagne to broader consumers by introducing the different qualities of sparkling wine, associating champagne brands with royalty and nobility, and selling off-brands under the name of the importer from France at a lower cost. Though selling off-brands at a lower expense proved to be unsuccessful since "there was an assumption that cheap sparkling wine was not authentic." From the start to end of Belle Époque period, champagne has gone from a regional product with a niche market audience to a national commodity that distributed globally.

A large popularity of champagne is attributed to the success of champagne producers in marketing the wine's image as a royal and aristocratic drink. Laurent-Perrier's advertisements in late 1890 boasted their champagne was the favourite of Leopold II of Belgium, George I of Greece, Alfred, Duke of Saxe-Coburg and Gotha, Margaret Cambridge, Marchioness of Cambridge, and John Lambton, 3rd Earl of Durham, among other nobles, knights, and military officers. Despite this royal prestige, champagne houses also portrayed champagne as a luxury enjoyable by anyone, for any occasion. This strategy worked, and, by the turn of the 20th century, the majority of champagne drinkers were middle class.

In the 19th century, champagne producers made a concentrated effort to market their wine to women. This is done by having the sweeter champagne associates with female, whereas the dry champagne with male and foreign markets. This was in stark contrast to the traditionally "male aura" that the wines of France had—particularly Burgundy and Bordeaux. Laurent-Perrier again took the lead in this area with advertisements touting their wine's favour with the Countess of Dudley, the wife of the 9th Earl of Stamford, the wife of the Baron Tollemache, and the opera singer Adelina Patti. Champagne labels were designed with images of romantic love and marriage as well as other special occasions that were deemed important to women, such as the baptism of a child.

In some advertisements, the champagne houses catered to political interest such as the labels that appeared on different brands on bottles commemorating the centennial anniversary of the French Revolution of 1789. On some labels there were flattering images of Marie Antoinette that appealed to the conservative factions of French citizens that viewed the former queen as a martyr. On other labels there were stirring images of Revolutionary scenes that appealed to the liberal left sentiments of French citizens. As World War I loomed, champagne houses put images of soldiers and countries' flags on their bottles, customizing the image for each country to which the wine was imported. During the Dreyfus affair, one champagne house released a ''champagne antijuif'' with antisemitic advertisements to take advantage of the wave of Antisemitism that hit parts of France.

Champagne is typically drunk during celebrations. For example, British Prime Minister Tony Blair held a champagne reception to celebrate London winning the right to host the 2012 Summer Olympics. It is also used to launch ships when a bottle is smashed over the hull during the ship's launch. If the bottle fails to break this is often thought to be bad luck.

Wine districts, grape varieties and styles of Champagne

Wine-producing Districts of Champagne

Champagne is a single ' but the territory is divided into next sub-regions, known as wine-producing districts, and each of them has distinct characteristics. The main wine-producing districts of the Champagne wine region: Reims, Marne Valley, Côte des Blancs, Côtes des Bar, Côtes de Sezzane.

As a general rule, grapes used must be the white Chardonnay, or the dark-skinned "red wine grapes" Pinot noir or Pinot Meunier, which, due to the gentle pressing of the grapes and absence of skin contact during fermentation, usually also yield a white base wine. Most Champagnes, including Rosé wines, are made from a blend of all three grapes, although ' ("white from whites") Champagnes are made from 100% Chardonnay and ' ("white from blacks") Champagnes are made solely from Pinot noir, Pinot Meunier or a mix of the two.

Four other grape varieties are permitted, mostly for historical reasons, as they are rare in current usage. The 2010 version of the appellation regulations lists seven varieties as allowed, Arbane, Chardonnay, Petit Meslier, Pinot blanc, Pinot gris, Pinot Meunier, and Pinot noir. The sparsely cultivated varieties (0.02% of the total vines planted in Champagne) of Arbanne, Petit Meslier, and Pinot blanc can still be found in modern cuvées from a few producers. Previous directives of INAO make conditional allowances according to the complex laws of 1927 and 1929, and plantings made before 1938. Before the 2010 regulations, the complete list of the actual and theoretical varieties also included and Pinot Rosé. The Gamay vines of the region were scheduled to be uprooted by 1942, but due to World War II, this was postponed until 1962, and this variety is no longer allowed in Champagne.

The dark-skinned Pinot noir and Pinot meunier give the wine its length and backbone. They are predominantly grown in two areas – the Montagne de Reims and the Vallée de la Marne. The Montagne de Reims run east–west to the south of Reims, in northern Champagne. They are notable for north-facing chalky slopes that derive heat from the warm winds rising from the valleys below. The River Marne runs west–east through Champagne, south of the Montagne de Reims. The Vallée de la Marne contains south-facing chalky slopes. Chardonnay gives the wine its acidity and biscuit flavour. Most Chardonnay is grown in a north–south-running strip to the south of Épernay, called the , including the villages of Avize, Oger and . These are east-facing vineyards, with ' similar to the . The various ' account for the differences in grape characteristics and explain the appropriateness of blending juice from different grape varieties and geographical areas within Champagne, to get the desired style for each Champagne house.

Types of Champagne

Most of the Champagne produced today is "Non-vintage", meaning that it is a blended product of grapes from multiple vintages. Most of the base will be from a single year vintage with producers blending anywhere from 10 to 15% (even as high as 40%) of wine from older vintages. If the conditions of a particular vintage are favourable, some producers will make a vintage wine that must be composed of 100% of the grapes from that vintage year. Under Champagne wine regulations, houses that make both vintage and non-vintage wines are allowed to use no more than 80% of the total vintage's harvest for the production of vintage Champagne. This allows at least 20% of the harvest from each vintage to be reserved for use in non-vintage Champagne. This ensures a consistent style that consumers can expect from non-vintage Champagne that does not alter too radically depending on the quality of the vintage. In less than ideal vintages, some producers will produce a wine from only that single vintage and still label it as non-vintage rather than as "vintage" since the wine will be of lesser quality and the producers have little desire to reserve the wine for future blending.

Prestige '

A ' is a proprietary blended wine (usually a Champagne) that is considered to be the top of a producer's range. Famous examples include Louis Roederer's Cristal, 's ', 's Dom Pérignon, Duval-Leroy's ', Armand de Brignac ''Gold Brut'', and Pol Roger's '. Perhaps the first publicly available prestige ' was Moët & Chandon's Dom Pérignon, launched in 1936 with the 1921 vintage. Until then, Champagne houses produced different ' of varying quality, but a top-of-the-range wine produced to the highest standards (and priced accordingly) was a new idea. In fact, Louis Roederer had been producing Cristal since 1876, but this was strictly for the private consumption of the Russian tsar. Cristal was made publicly available with the 1945 vintage. Then came Taittinger's ' (first vintage 1952), and 's ' in 1960, a blend of three vintages (1952, 1953, and 1955) and 's '. In the last three decades of the 20th century, most Champagne houses followed these with their own prestige ', often named after notable people with a link to that producer and presented in non-standard bottle shapes (following Dom Pérignon's lead with its 18th-century revival design).

'

A French term (literally "white from blacks" or "white of blacks") for a white wine produced entirely from black grapes. The flesh of grapes described as black or red is white; grape juice obtained after minimal possible contact with the skins produces essentially white wine, with a slightly yellower colour than wine from white grapes. The colour, due to the small amount of red skin pigments present, is often described as white-yellow, white-grey, or silvery. ''Blanc de noirs'' is often encountered in Champagne, where a number of houses have followed the lead of Bollinger's ''prestige cuvée'' Vieilles Vignes Françaises in introducing a ''cuvée'' made from either pinot noir, pinot meunier or a blend of the two (these being the only two black grapes permitted within the Champagne AOC appellation).

'

A French term that means "white from whites", and is used to designate Champagnes made exclusively from Chardonnay grapes or in rare occasions from Pinot blanc (such as ' from Cedric Bouchard). The term is occasionally used in other sparkling wine-producing regions, usually to denote Chardonnay-only wines rather than any sparkling wine made from other white grape varieties.

Rosé Champagne

Rosé Champagnes are characterized by their distinctive blush color, fruity aroma, and earthy flavor. Rosé Champagne has been produced since the late 18th century; storied French Champagne houses Rinault and Veuve Clicquot have each claimed to have shipped and sold the first bottles. The wine is produced by one of two methods. Using the ''saignée'' method, winemakers will leave the clear juice of dark grapes to macerate with the skins for a brief time, resulting in wine lightly colored and flavored by the skins. In the more common ''d'assemblage'' method, producers will blend a small amount of still red wine to a sparkling wine ''cuvée''. Champagne is light in color even when it is produced with red grapes, because the juice is extracted from the grapes using a gentle process that minimizes contact with the skins. By contrast, Rosé Champagne, especially that created by ''d'assemblage'', results in the production of rosé with a predictable and reproducible color, allowing winemakers to achieve a consistent rosé appearance from year to year.

The character of rosé Champagne has varied greatly since its production began. Thought to be a sign of extravagance when originally introduced, by the early 20th century these wines were colloquially known as "Pink Champagne," and had gained a reputation of frivolousness or even dissipation. The 1939 Hollywood film '' Love Affair'' was reportedly approached to promote it by featuring the main characters bonding over enjoying the unpopular drink, and caused a sales boost after the film's release. It is also cited by The Eagles as a beverage of choice in the titular "Hotel California." Rosé Champagnes, particularly brut varieties, began regaining popularity in the late 20th century in many countries. Because of the complex variety of flavors it presents, rosé Champagne is often served in fine dining restaurants, as a complementary element in food and wine pairing.

Sweetness

Just after disgorgement a "liqueur de dosage" or liqueur d’expédition - a blend of, typically, cane sugar and wine (sugar amounts up to 750 g/litre) - is added to adjust the levels of sugar in the Champagne when bottled for sale, and hence the sweetness of the finished wine. Today sweetness is generally not looked for per se, dosage is used to fine tune the perception of acidity in the wine.

For Caroline Latrive, cellar master of Ayala, a Champagne house that pioneered drier champagnes at the end of the 19th century, dosage represents the final touch in champagne making and must be as subtle as possible to bring the right balance.

Also, dosage protects champagne from oxidation because it includes a bit of , and sugar also acts as a preservative. Benoît Gouez, cellar master of Moët & Chandon says that sugar helps champagne recover from the oxidative shock of disgorgement, and contributes to the wine's aging potential.

Wines labeled ', more common among smaller producers, have no added sugar and will usually be very dry, with less than 3 grams of residual sugar per litre in the finished wine. The following terms are used to describe the sweetness of the bottled wine:

* ' (less than 6 grams of sugar per litre)
* ' (less than 12 grams)
* ''Extra Dry'' (between 12 and 17 grams)
* ' (between 17 and 32 grams)
* ' (between 32 and 50 grams)
* ' (50 grams)

The most common style today is '. However, throughout the 19th century and into the early 20th century Champagne was generally much sweeter than it is today. Moreover, except in Britain, Champagne was drunk as dessert wines (after the meal), rather than as table wines (with the meal). At this time, Champagne sweetness was instead referred to by destination country, roughly as:
* ' ("English taste", between 22 and 66 grams); note that today ' refers to aged vintage Champagne
* ' ("American taste", between 110 and 165 grams)
* ' ("French taste", between 165 and 200 grams)
* ' ("Russian taste", between 200 and 300 grams)
Of these, only the driest English is close to contemporary tastes.

Champagne bottles

Champagne is mostly fermented in two sizes of bottles, standard bottles (750 millilitres) and magnums (1.5 litres). In general, magnums are thought to be higher quality, as there is less oxygen in the bottle, and the volume-to-surface area ratio favours the creation of appropriately sized bubbles. However, there is no hard evidence for this view. Other bottle sizes, mostly named for Biblical figures, are generally filled with Champagne that has been fermented in standard bottles or magnums. Gosset still bottles its Grande Réserve in jeroboam from the beginning of its second fermentation.

Sizes larger than Jeroboam (3 L) are rare. Primat bottles (27 L)—and, , Melchizedek bottles (30 L)—are exclusively offered by the House Drappier. (The same names are used for bottles containing regular wine and port; however, Jeroboam, Rehoboam, and Methuselah refer to different bottle volumes.)

Unique sizes have been made for specific markets, special occasions and people. The most notable example is perhaps the 20 fluid oz. / 56.8 cl (imperial pint) bottle made between 1874 and 1973 for the English market by Pol Roger, often associated with Sir Winston Churchill.

In 2009, a bottle of 1825 Champagne was opened at a ceremony attended by 12 of the world's top wine tasters. This bottle was officially recognised by ''Guinness World Records'' as the oldest bottle of Champagne in the world. The contents were found to be drinkable, with notes of truffles and caramel in the taste. There are now only two other bottles from the 1825 vintage extant.

In July 2010, 168 bottles were found on board a shipwreck near the Åland Islands in the Baltic Sea by Finnish diver Christian Ekström. Initial analyses indicated there were at least two types of bottle from two different houses: ' in Reims and the long-defunct Champagne house Juglar (absorbed into Jacquesson in 1829.) The shipwreck is dated between 1800 and 1830, and the bottles discovered may well predate the 1825 referenced above. When experts were replacing the old corks with new ones, they discovered there were also bottles from a third house, Heidsieck. The wreck, then, contained 95 bottles of Juglar, 46 bottles of , and four bottles of Heidsieck, in addition to 23 bottles whose manufacture is still to be identified. Champagne experts Richard Juhlin and Essi Avellan, MW described the bottles' contents as being in a very good condition. It is planned that the majority of the bottles will be sold at auction, the price of each estimated to be in the region of £40,000–70,000.

In April 2015, nearly five years after the bottles were first found, researchers led by Philippe Jeandet, a professor of food biochemistry, released the findings of their chemical analyses of the Champagne, and particularly noted the fact that, although the chemical composition of the 170-year-old Champagne was very similar to the composition of modern-day Champagne, there was much more sugar in this Champagne than in modern-day Champagne, and it was also less alcoholic than modern-day Champagne. The high sugar level was characteristic of people's tastes at the time, and Jeandet explained that it was common for people in the 19th century, such as Russians, to add sugar to their wine at dinner. It also contained higher concentrations of minerals such as iron, copper, and table salt than modern-day Champagne does.

Champagne corks

Champagne corks are mostly built from three sections and are referred to as agglomerated corks. The mushroom shape that occurs in the transition is a result of the bottom section's being composed of two stacked discs of pristine cork cemented to the upper portion, which is a conglomerate of ground cork and glue. The bottom section is in contact with the wine. Before insertion, a sparkling wine cork is almost 50% larger than the opening of the bottle. Originally, the cork starts as a cylinder and is compressed before insertion into the bottle. Over time, their compressed shape becomes more permanent and the distinctive "mushroom" shape becomes more apparent.

The aging of the Champagne post-disgorgement can to some degree be told by the cork, as, the longer it has been in the bottle, the less it returns to its original cylinder shape.

Champagne etiquette

Champagne is usually served in a Champagne flute, whose characteristics include a long stem with a tall, narrow bowl, thin sides and an etched bottom. The intended purpose of the shape of the flute is to reduce surface area, therefore preserving carbonation, as well as maximizing nucleation (the visible bubbles and lines of bubbles). Legend has it that the Victorian ''s shape was modelled on the breast of Madame de Pompadour, chief-mistress of Louis XV of France, or perhaps Marie Antoinette, but the glass was designed in England over a century earlier especially for sparkling wine and champagne in 1663. Champagne is always served cold; its ideal drinking temperature is . Often the bottle is chilled in a bucket of ice and water, half an hour before opening, which also ensures the Champagne is less gassy and can be opened without spillage. Champagne buckets are made specifically for this purpose and often have a larger volume than standard wine-cooling buckets to accommodate the larger bottle, and more water and ice.

When it comes to the etiquette behind holding a glass of Champagne, it is important to consider the type of Champagne glass used and the four main parts of any wine glass: the rim, the bowl, the stem and the base. In the case of a flute glass or tulip glass, etiquette dictates holding by the long, narrow stem in order to avoid smudging the glass and warming up the contents with the heat of one’s hand. Flute and tulip glasses can be temporarily held by the rim, although this glass hold blocks the area where the taster would take a sip. This hold can also smudge the top section of the glass. These two types of glass can also be held by the disk-shaped base without smudging or warming the liquid inside. When it comes to the coupe glass, with its short stem and shallow, wide-brimmed bowl, the only possible glass hold is by the bowl. The top-heavy nature of the glass makes holding by the base or stem impossible, while the large diameter of the top makes grabbing the glass by the rim difficult.

Opening Champagne bottles

To reduce the risk of spilling or spraying any Champagne, the bottle is opened by holding the cork and rotating the bottle at an angle in order to ease out the stopper. This method, as opposed to pulling the cork out, prevents the cork from flying out of the bottle at speed (the expanding gases are supersonic). Also, holding the bottle at an angle allows air in and helps prevent the champagne from geysering out of the bottle.

A sabre can be used to open a Champagne bottle with great ceremony. This technique is called ' (the term is also used for simply breaking the head of the bottle).

Pouring Champagne

Pouring sparkling wine while tilting the glass at an angle and gently sliding in the liquid along the side will preserve the most bubbles, as opposed to pouring directly down to create a head of "mousse", according to a study, ''On the Losses of Dissolved CO₂ during Champagne serving'', by scientists from the University of Reims. Colder bottle temperatures also result in reduced loss of gas. Additionally, the industry is developing Champagne glasses designed specifically to reduce the amount of gas lost.

Spraying Champagne

Champagne has been an integral part of sports celebration since started offering their Champagne to the winners of Formula 1 Grand Prix events. At the 1967 24 Hours of Le Mans, winner Dan Gurney started the tradition of drivers spraying the crowd and each other. The Muslim-majority nation Bahrain banned Champagne celebrations on F1 podiums in 2004, using a nonalcoholic pomegranate and rose water drink instead.

In 2015, some Australian sports competitors began to celebrate by drinking champagne from their shoe, a practice known as shoey.

Culinary uses

The ''poulet au champagne'' ("chicken with Champagne") is an essentially Marnese specialty. Other well-known recipes using Champagne are ''huîtres au champagne'' ("oysters with Champagne") and Champagne zabaglione.

Champagne price

There are several general factors influencing the price of Champagne: the limited land of the region, the prestige that Champagne has developed worldwide, and the high cost of the production process, among possible others.

Champagne producers

A list of major Champagne producers and their respective Cuvée de prestige

Shipments

See also

* Autolysis (wine)
* Champagne breakfast
* Champagne Riots
* Classification of Champagne vineyards
* , term used for non-sparkling (still) wines produced in the same area
* List of Champagne houses

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