43-409: A wine bottle is a bottle , generally a glass bottle , that is used for holding wine . Some wines are fermented in the bottle while others are bottled only after fermentation. Recently the bottle has become a standard unit of volume to describe sales in the wine industry, measuring 750 millilitres (26.40 imp fl oz; 25.36 US fl oz). Wine bottles are produced, however, in
86-440: A trichloroanisole (TCA) free seal, but they also reduce the oxygen transfer rate between the bottle and the atmosphere to almost zero, which can lead to a reduction in the quality of the wine. TCA is the main documented cause of cork taint in wine. However, some in the wine industry say natural cork stoppers are important because they allow oxygen to interact with wine for proper aging, and are best suited for wines purchased with
129-413: A cork placed inside the neck of a wine bottle is 350-year-old technology, it is logical to explore other more modern and precise methods of keeping wine safe. The study "Analysis of the life cycle of Cork, Aluminum and Plastic Wine Closures," conducted by PricewaterhouseCoopers and commissioned by a major cork manufacturer, Amorim , concluded that cork is the most environmentally responsible stopper, in
172-576: A cork stopper. For example, to produce 1,000 cork stoppers 1.5 kg CO 2 are emitted, but to produce the same amount of plastic stoppers 14 kg of CO 2 are emitted and for the same amount of aluminium screw caps 37 kg CO 2 are emitted. The Chinese cork oak is native to East Asia and is cultivated in a limited extent in China; the cork produced is considered inferior to Q. suber and are used to produce agglomerated cork products. The so-called "cork trees" ( Phellodendron ) are unrelated to
215-570: A decline in use as wine-stoppers due to the increase in the use of synthetic alternatives, cork wine-stoppers are making a comeback and currently represent approximately 60% of wine-stoppers in 2016. Because of the cellular structure of cork, it is easily compressed upon insertion into a bottle and will expand to form a tight seal. The interior diameter of the neck of glass bottles tends to be inconsistent, making this ability to seal through variable contraction and expansion an important attribute. However, unavoidable natural flaws, channels, and cracks in
258-510: A much finer wire netting as a decoration. A punt, also known as a kick-up, is the dimple at the bottom of a wine bottle. There is no consensus explanation for its purpose. The more commonly cited explanations include: Glass retains its color on recycling , and the United Kingdom has a large surplus of green glass because it imports a large quantity of wine but produces very little . Annually 1.4 million tons are sent to landfill . Glass
301-513: A producer who believes his wine is similar to Burgundy may choose to bottle his wine in Burgundy-style bottles. Other producers (both in and out of Europe) have chosen idiosyncratic bottle styles for marketing purposes. Pere-Anselme markets its Châteauneuf-du-Pape in bottles that appear half-melted. The Moselland company of Bernkastel-Kues in Germany has a Riesling with a bottle in the shape of
344-406: A stylized cat. The British company Garçon Wines makes a flat wine bottle from recycled PET which is flat enough to fit through a letterbox and hence can be delivered by post. The home wine maker may use any bottle, as the shape of the bottle does not affect the taste of the finished product. The sole exception is in producing sparkling wine , where thicker-walled bottles should be used to handle
387-481: A suitable material for fishing floats and buoys, as well as handles for fishing rods (as an alternative to neoprene ). Granules of cork can also be mixed into concrete . The composites made by mixing cork granules and cement have lower thermal conductivity, lower density, and good energy absorption. Some of the property ranges of the composites are density (400–1500 kg/m ), compressive strength (1–26 MPa), and flexural strength (0.5–4.0 MPa). As late as
430-436: A thin, lignin-rich middle lamella (internal primary wall), a thick secondary wall made up from alternating suberin and wax lamella, and a thin tertiary wall of polysaccharides. Some studies suggest that the secondary wall is lignified, and therefore, may not consist exclusively of suberin and waxes. The cells of cork are filled with a gas mixture similar to the air, making them behave as authentic "pads," which contributes to
473-399: A variety of volumes and shapes. Wine bottles are traditionally sealed with a cork , but screw-top caps are becoming popular , and there are several other methods used to seal a bottle. Many traditional wine bottle sizes are named for Biblical kings and historical figures. The chart below lists the sizes of various wine bottles in multiples relating to a standard bottle of wine, which
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#1732858332970516-484: A winery in Rioja, in 1858, naming it after his own noble title, which had been created in 1708 by Philip V . He produced award-winning wines which became the preferred wines of King Alfonso XII . Camilo Hurtado de Amézaga invented a wire netting that covered his bottle, thereby preventing counterfeiters from substituting the wine, since it was impossible to remove the netting without breaking it. Modern day bottles of Rioja carry
559-405: Is 0.75 litres (0.20 US gal ; 0.16 imp gal ) (six 125 mL servings). The "wineglassful"—an official unit of the apothecaries' system of weights —is much smaller at 2.5 imp fl oz (71 mL ). Most champagne houses are unable to carry out secondary fermentation in bottles larger than a magnum due to the difficulty in riddling large, heavy bottles. After
602-425: Is a natural material used by humans for over 5,000 years. It is a material whose applications have been known since antiquity , especially in floating devices and as stopper for beverages , mainly wine , whose market, from the early twentieth century, had a massive expansion, particularly due to the development of several cork-based agglomerates. In China , Egypt , Babylon , and Persia from about 3000 BC, cork
645-446: Is a relatively heavy packing material and wine bottles use quite thick glass, so the tare weight of a full wine bottle is a relatively high proportion of its gross weight . The average weight of an empty 750 mL wine bottle is 500 g (and can range from 300 to 900 g), which makes the glass 40% of the total weight of the full bottle. This has led to suggestions that wine should be exported in bulk from producer regions and bottled close to
688-423: Is gaining popularity as a non-allergenic, easy-to-handle and safe alternative to petrochemical-based insulation products. Cork is also used to make vinyl record slipmats, due to its ability to not attract dust. They also dampen static and vibrations. Sheets of cork, also often the by-product of stopper production, are used to make bulletin boards as well as floor and wall tiles . Cork's low density makes it
731-413: Is native to southwest Europe and northwest Africa . Cork is composed of suberin , a hydrophobic substance. Because of its impermeable, buoyant, elastic, and fire retardant properties, it is used in a variety of products, the most common of which is wine stoppers . The montado landscape of Portugal produces approximately half of the cork harvested annually worldwide, with Corticeira Amorim being
774-528: Is sometimes used, or the foil can be omitted entirely. In the US, the FDA officially banned lead foils on domestic and imported wine bottles as of 1996. Some bottles of wine have a paper strip beneath the foil, as a seal of authenticity, which must be broken before the bottle can be uncorked. Bottles of high-end Rioja wine may have a covering of gold wire netting, Spaniard Camilo Hurtado de Amézaga , Marqués de Riscal founded
817-411: Is stacked in piles in the forest or in yards at a factory and traditionally left to dry, after which it can be loaded onto a truck and shipped to a processor. Bark from initial harvests can be used to make flooring, shoes, insulation and other industrial products. Subsequent extractions usually occur at intervals of nine years, though it can take up to thirteen for the cork to reach an acceptable size. If
860-496: The cork weevil and to serve as collar to catch small drips when pouring. The foil also serves as a decorative element of the bottle's label. Foils were historically made of lead , but research showed that trace amounts of toxic lead could remain on the lip of the bottle and mix with the poured wine, so lead foil wrapping was slowly phased out, and by the 1990s, most foils were made of tin , heat-shrink plastic ( polyethylene , PVC ), aluminium or polylaminate aluminium. Sealing wax
903-593: The Cork Supply Group of Portugal concluded that cork is the most environmentally friendly wine stopper in comparison to other alternatives. The Corticeira Amorim 's study, in particular ("Analysis of the life cycle of Cork, Aluminum and Plastic Wine Closures"), was developed by PricewaterhouseCoopers , according to ISO 14040 . Results concluded that, concerning the emission of greenhouse gases, each plastic stopper released 10 times more CO 2 , whilst an aluminium screw cap releases 26 times more CO 2 than does
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#1732858332970946-658: The Stelvin as it is a guarantee that the wine will be good even after many decades of ageing. Some consumers may have conceptions about screw caps being representative of lower quality wines, due to their cheaper price; however, in Australia, for example, much of the non-sparkling wine production now uses these Stelvin caps as a cork alternative, although some have recently switched back to cork citing issues using screw caps. The alternatives to cork have both advantages and disadvantages. For example, screwtops are generally considered to offer
989-559: The US adopted the metric system for liquor bottles, with the basic wine bottle becoming 750 mL, as in Europe. Wine producers in Portugal , Italy , Spain , France and Germany follow the tradition of their local areas in choosing the shape of bottle most appropriate for their wine. Many North and South American, South African, and Australasian wine producers select the bottle shape with which they wish to associate their wines. For instance,
1032-523: The Wikimedia System Administrators, please include the details below. Request from 172.68.168.132 via cp1112 cp1112, Varnish XID 390727989 Upstream caches: cp1112 int Error: 429, Too Many Requests at Fri, 29 Nov 2024 05:32:13 GMT Cork (material) Cork is an impermeable buoyant material. It is the phellem layer of bark tissue which is harvested for commercial use primarily from Quercus suber (the cork oak), which
1075-519: The bark is stripped to harvest the cork. The tree continues to live and grow. The sustainability of production and the easy recycling of cork products and by-products are two of its most distinctive aspects. Cork oak forests also prevent desertification and are a particular habitat in the Iberian Peninsula and the refuge of various endangered species . Carbon footprint studies conducted by Corticeira Amorim , Oeneo Bouchage of France and
1118-530: The bark make the cork itself highly inconsistent. In a 2005 closure study, 45% of corks showed gas leakage during pressure testing both from the sides of the cork as well as through the cork body itself. Since the mid-1990s, a number of wine brands have switched to alternative wine closures such as plastic stoppers, screw caps , or other closures. During 1972 more than half of the Australian bottled wine went bad due to corking. A great deal of anger and suspicion
1161-569: The capability of cork to recover after compression. There are about 2,200,000 hectares of cork oak ( Quercus suber ) forest in the Mediterranean basin , the native area of the species. The most extensively managed habitats are in Portugal (34%) and in Spain (27%). Annual production is about 300,000 tons; 49.6% from Portugal, 30.5% from Spain, 5.8% from Morocco , 4.9% from Algeria , 3.5% from Tunisia , 3.1% from Italy , and 2.6% from France . Once
1204-416: The cork are known as extractors . An extractor uses a very sharp axe to make two types of cuts on the tree: one horizontal cut around the plant, called a crown or necklace , at a height of about two to three times the circumference of the tree, and several vertical cuts called rulers or openings . This is the most delicate phase of the work because, even though cutting the cork requires significant force,
1247-552: The cork oak, they have corky bark but not thick enough for cork production. Cork is extracted only from early May to late August, when the cork can be separated from the tree without causing permanent damage. When the tree reaches 25–30 years of age and about 24 in (60 cm) in circumference, the cork can be removed for the first time. However, this first harvest almost always produces poor quality or virgin cork (Portuguese cortiça virgem ; Spanish corcho bornizo or corcho virgen ). The workers who specialize in removing
1290-444: The excess pressure. Most wine bottles standards have a bore (inner neck) diameter of 18.5 mm at the mouth of the bottle and increase to 21 mm before expanding into the full bottle. Commercial corked wine bottles typically have a protective sleeve called a foil (commonly referred to as a "capsule") covering the top of the bottle, the purpose of which is to protect the cork from being gnawed away by rodents or infested with
1333-475: The extractor must not damage the underlying phellogen or the tree will be harmed. To free the cork from the tree, the extractor pushes the handle of the axe into the rulers. A good extractor needs to use a firm but precise touch in order to free a large amount of cork without damaging the product or tree. These freed portions of the cork are called planks . The planks are usually carried off by hand since cork forests are rarely accessible to vehicles. The cork
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1376-479: The intent to age. Stoppers which resemble natural cork very closely can be made by isolating the suberin component of the cork from the undesirable lignin , mixing it with the same substance used for contact lenses and an adhesive, and molding it into a standardized product, free of TCA or other undesirable substances. Composite corks with real cork veneers are used in cheaper wines. Celebrated Australian wine writer and critic James Halliday has written that since
1419-515: The leading company in the industry. Cork was examined microscopically by Robert Hooke , which led to his discovery and naming of the cell . Cork composition varies depending on geographic origin, climate and soil conditions, genetic origin, tree dimensions, age (virgin or reproduction), and growth conditions. However, in general, cork is made up of suberin (average of about 40%), lignin (22%), polysaccharides ( cellulose and hemicellulose ) (18%), extractables (15%) and others. Cork
1462-434: The majority of people know cork for its use as stoppers in wine bottles . The innovation of using cork as stopper can be traced back to the late 17th century, attributed to Dom Pierre Pérignon . Cork stoppers were adopted in 1729 by Ruinart and in 1973 by Moët et Chandon . Cork presents a characteristic cellular structure in which the cells have usually a pentagonal or hexagonal shape. The cellular wall consists of
1505-761: The market. This would reduce the cost of transportation and its carbon footprint , and provide a local market for recycled green glass. Less radically, boxed wine is sold in large, light-weight, foil-lined cardboard containers, though its use has been restricted to cheaper products in the past and as such retains a stigma. Following declining sales of wine boxes in the UK, in 2009 the Office for National Statistics removed them from its Consumer Price Index measure of inflation . Some wine producers are exploring more alternative packagings such as plastic bottles and tetra packs . Bottle Too Many Requests If you report this error to
1548-418: The mid-17th century, French vintners did not use cork stoppers, using instead oil-soaked rags stuffed into the necks of bottles. Wine corks can be made of either a single piece of cork, or composed of particles, as in champagne corks; corks made of granular particles are called "agglomerated corks". Natural cork closures are used for about 80% of the 20 billion bottles of wine produced each year. After
1591-565: The product is of high quality it is known as gentle cork (Portuguese cortiça amadia , but also cortiça secundeira only if it is the second time; Spanish corcho segundero , also restricted to the second time ), and, ideally, is used to make stoppers for wine and champagne bottles. Cork's elasticity combined with its near-impermeability makes it suitable as a material for bottle stoppers , especially for wine bottles . Cork stoppers represent about 60% of all cork based production. Cork has an almost zero Poisson's ratio , which means
1634-497: The radius of a cork does not change significantly when squeezed or pulled. Cork is an excellent gasket material. Some carburetor float bowl gaskets are made of cork, for example. Cork is also an essential element in the production of badminton shuttlecocks . Cork's bubble-form structure and natural fire retardant make it suitable for acoustic and thermal insulation in house walls, floors, ceilings, and facades. The by-product of more lucrative stopper production, corkboard,
1677-415: The secondary fermentation completes, the champagne must be transferred from the magnums into larger bottles, which results in a loss of pressure. Some believe this re-bottling exposes the champagne to greater oxidation and therefore results in an inferior product compared to champagne which remains in the bottle in which it was fermented. * For many years, the US standard (non-metric) wine and liquor bottle
1720-421: The trees are about 25 years old the cork is traditionally stripped from the trunks every nine years, with the first two harvests generally producing lower quality cork ( male cork or virgin cork ). The trees live for about 300 years. The cork industry is generally regarded as environmentally friendly. Cork production is generally considered sustainable because the cork tree is not cut down to obtain cork; only
1763-435: Was already used for sealing containers , fishing equipment, and domestic applications. In ancient Greece (1600 to 1100 years BC) cork was used in footwear , to manufacture a type of sandals attached to the foot by straps, generally leather and with a sole in cork or leather. In the second century AD, a Greek physician, Dioscorides , noted several medical applications of cork, mainly for hair loss treatment. Nowadays,
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1806-422: Was directed at Portuguese and Spanish cork suppliers who were suspected of deliberately supplying bad cork to non- EEC wine makers to help prevent cheap imports. Cheaper wine makers developed the aluminium "Stelvin" cap with a polypropylene stopper wad. More expensive wines and carbonated varieties continued to use cork, although much closer attention was paid to the quality. Even so, some high premium makers prefer
1849-682: Was the "fifth", meaning one-fifth of a US gallon , or 25.6 US fluid ounces (757 mL; 26.6 imp fl oz). Some beverages also came in tenth-gallon [12.8 US fluid ounces (379 mL; 13.3 imp fl oz)], eighth-gallon [1 US pint, or 16 US fluid ounces (473 mL; 16.7 imp fl oz)], sixth-gallon [22 US fluid ounces (651 mL; 22.9 imp fl oz)], fourth-gallon [1 US quart, or 32 US fluid ounces (946 mL; 33.3 imp fl oz)], half-gallon [64 US fluid ounces (1,890 mL; 66.6 imp fl oz)] and one-gallon [128 US fluid ounces (3,790 mL; 133 imp fl oz)] sizes. In 1979,
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