Grape – Wikipedia

This article is about the fruits of the genus Vitis. For the European grape, see Vitis vinifera. For other uses, see Grape ( disambiguation )
comestible berry of a bloom plant in the class Vitaceae

A grape is a fruit, botanically a berry, of the deciduous arboraceous vines of the bloom establish genus Vitis. Grapes can be eaten fresh as mesa grapes, used for making wine, jam, grapeshot juice, jellify, grape seed extract, vinegar, and grape semen anoint, or dried as raisins, currants and sultanas. Grapes are a non- climacteric character of fruit, broadly occurring in clusters .


The Middle East is broadly described as the fatherland of grape and the cultivation of this plant began there 6,000–8,000 years ago. [ 1 ] [ 2 ] Yeast, one of the earliest domestic microorganism, occurs naturally on the skins of grapes, leading to the discovery of alcoholic drinks such as wine. The earliest archaeological evidence for a prevailing placement of wine-making in human culture dates from 8,000 years ago in Georgia. [ 3 ] [ 4 ] [ 5 ] The oldest know winery was found in Armenia, dating to around 4000 BC. [ 6 ] By the ninth century AD, the city of Shiraz was known to produce some of the finest wines in the Middle East. Thus it has been proposed that Syrah crimson wine is named after Shiraz, a city in Persia where the grape was used to make Shirazi wine. [ 7 ] Ancient Egyptian hieroglyphics record the cultivation of purple grapes, and history attests to the ancient Greeks, Cypriots, Phoenicians, and Romans growing imperial grapes both for eat and wine production. [ 8 ] The growing of grapes would former spread to other regions in Europe, a well as North Africa, and finally in North America. In 2005 a team of archaeologists concluded that some Chalcolithic wine jars, which were discovered in Cyprus in the 1930s, were the oldest of their kind in the universe, dating back to 3,500 BC. [ 9 ] furthermore, Commandaria, a dessert dessert wine from Cyprus, is the oldest manufactured wine in the worldly concern, its origins traced as far back as 2000 BC. [ 10 ] In North America, native grapes belonging to versatile species of the genus Vitis proliferate in the wild across the continent, and were a separate of the diet of many Native Americans, but were considered by early european colonists to be undesirable for wine. In the nineteenth hundred, Ephraim Bull of Concord, Massachusetts, cultivated seeds from wild Vitis labrusca vines to create the Concord grapeshot which would become an authoritative agricultural crop in the United States. [ 11 ]


Grapes are a type of fruit that grow in clusters of 15 to 300, and can be blush, total darkness, dark blue, yellow, green, orange, and pink. “ White ” grapes are actually green in color, and are evolutionarily derived from the purple grape. Mutations in two regulative genes of white grapes turn off production of anthocyanins, which are responsible for the coloring material of purple grapes. [ 12 ] Anthocyanins and early pigment chemicals of the larger family of polyphenols in empurpled grapes are responsible for the varying shades of purple in red wines. [ 13 ] [ 14 ] Grapes are typically an ellipsoid determine resembling a egg-shaped spheroid .


bare-assed grapes are 81 % water, 18 % carbohydrates, 1 % protein, and have negligible fat ( table ). A 100-gram ( 3+1⁄2-ounce ) reference book amount of raw grapes supplies 288 kilojoules ( 69 kilocalories ) of food energy and a control total of vitamin K ( 14 % of the Daily Value ), with no other micronutrients in significant contented .


labrusca grape Concord is a diverseness of North Americangrape Most domesticated grapes come from cultivars of Vitis vinifera, a grapevine native to the Mediterranean and Central Asia. Minor amounts of fruit and wine issue forth from american and asian species such as :

  • Vitis amurensis, the most important Asian species
  • Vitis labrusca, the North American table and grape juice grapevines (including the Concord cultivar), sometimes used for wine, are native to the Eastern United States and Canada.
  • Vitis mustangensis (the mustang grape), found in Mississippi, Alabama, Louisiana, Texas, and Oklahoma
  • Vitis riparia, a wild vine of North America, is sometimes used for winemaking and for jam. It is native to the entire Eastern United States and north to Quebec.
  • Vitis rotundifolia (the muscadine), used for jams and wine, is native to the Southeastern United States from Delaware to the Gulf of Mexico.

distribution and production

[15] top 20 grape producing countries in 2012. According to the Food and Agriculture Organization ( FAO ), 75,866 square kilometers of the universe are dedicated to grapes. approximately 71 % of world grape production is used for wine, 27 % as newly yield, and 2 % as dry fruit. A parcel of grape production goes to producing grape juice to be reconstituted for fruits canned “ with no lend boodle “ and “ 100 % natural ”. The area dedicated to vineyards is increasing by about 2 % per year. There are no authentic statistics that break down grape product by variety show. It is believed that the most widely planted variety is Sultana, besides known as Thompson Seedless, with at least 3,600 km2 ( 880,000 acres ) dedicated to it. The second most common diverseness is Airén. other democratic varieties include Cabernet Sauvignon, Sauvignon blanc, Cabernet Franc, Merlot, Grenache, Tempranillo, Riesling, and Chardonnay. [ 16 ]

Top producers of grapes for wine making, by area planted
Country Area (km2)
 Turkey 8,120
 Iran 2,860
 Romania 2,480
 Portugal 2,160
 Argentina 2,080
 Armenia 1,459

postpone and wine grapes

Wine grapes on the vine commercially cultivated grapes can normally be classified as either mesa or wine grapes, based on their intended method of pulmonary tuberculosis : eat raw ( table grapes ) or used to make wine ( wine grapes ). While about all of them belong to the like species, Vitis vinifera, table and wine grapes have significant differences, brought about through selective education. postpone grape cultivars tend to have large, seedless fruit ( see below ) with relatively thin clamber. Wine grapes are smaller, normally seeded, and have relatively thick skins ( a desirable feature in winemaking, since much of the aroma in wine comes from the skin ). Wine grapes besides tend to be very gratifying : they are harvested at the time when their juice is approximately 24 % carbohydrate by weight. By comparison, commercially produced “ 100 % grape juice ”, made from table grapes, is normally about 15 % carbohydrate by weight. [ 18 ]

Seedless grapes

seedless cultivars now make up the consuming majority of table grape plantings. Because grapevines are vegetatively propagated by cuttings, the lack of seeds does not present a trouble for replica. It is an issue for breeders, who must either use a seeded assortment as the female rear or rescue embryos early in growth using tissue polish techniques. There are several sources of the seedlessness trait, and basically all commercial cultivators get it from one of three sources : Thompson Seedless, Russian Seedless, and Black Monukka, all being cultivars of Vitis vinifera. There are presently more than a twelve varieties of seedless grapes. respective, such as Einset Seedless, Benjamin Gunnels ‘s Prime seedless grapes, Reliance, and Venus, have been specifically cultivated for boldness and quality in the relatively cold climates of northeastern United States and southerly Ontario. [ 19 ] An offset to the improved eat quality of seedlessness is the loss of electric potential health benefits provided by the enrich phytochemical content of grape seeds ( see Health claims, below ). [ 20 ] [ 21 ]

Raisins, currants and sultanas

In most of Europe and North America, dried grapes are referred to as “ raisins ” or the local anesthetic equivalent. In the UK, three unlike varieties are recognized, forcing the EU to use the term “ dried vine fruit ” in official documents. A raisin is any dried grapeshot. While raisin is a french loanword, the bible in french refers to the fresh fruit ; grappe ( from which the English grape is derived ) refers to the bunch together ( as in une grappe de raisins ). A currant is a dried Zante Black Corinth grape, the mention being a corruption of the french raisin de Corinthe ( Corinth grapeshot ). The names of the black and red currant, nowadays more normally blackcurrant and redcurrant, two berries unrelated to grapes, are derived from this function. Some other fruits of similar appearance are besides so named, for exemplar, australian currant, native currant, indian currant. [ 22 ] A sultana was primitively a raisin made from Sultana grapes of turkish origin ( known as Thompson Seedless in the United States ), but the news is nowadays applied to raisins made from either white grapes or crimson grapes that are bleached to resemble the traditional seedless raisin.


Grape juice Grape juice is obtained from crushing and blending grapes into a liquid. The juice is much sold in stores or fermented and made into wine, brandy, or vinegar. Grape juice that has been pasteurized, removing any naturally occurring yeast, will not ferment if kept sterile, and frankincense contains no alcohol. In the wine industry, grape juice that contains 7–23 % of pulp, skins, stems and seeds is much referred to as “ must “. In North America, the most coarse grape juice is purple and made from Concord grapes, while white grape juice is normally made from Niagara grapes, both of which are varieties of native american grapes, a different species from european wine grapes. In California, Sultana ( known there as Thompson Seedless ) grapes are sometimes diverted from the raisin or table market to produce white juice. [ 23 ]

Pomace and phytochemicals

Winemaking from red and white grapeshot human body and skins produces substantial quantities of organic residues, jointly called pomace ( besides “ marc ” ), which includes crush skins, seeds, stems, and leaves broadly used as compost. [ 24 ] Grape pomace – some 10-30 % of the full mass of grapes crushed – contains respective phytochemicals, such as fresh sugars, alcohol, polyphenols, tannins, anthocyanins, and numerous early compounds, some of which are harvested and extracted for commercial applications ( a process sometimes called “ valorization ” of the pomace ). [ 24 ] [ 25 ]


Anatomical-style diagram of three grapes on their stalks. Two of the grapes are shown in cross-section with all their internal parts labeled. Grape cross-section Anthocyanins tend to be the main polyphenolics in imperial grapes, whereas flavan-3-ols ( i.e. catechins ) are the more abundant class of polyphenols in white varieties. [ 26 ] Total phenolic resin content is higher in purple varieties due about wholly to anthocyanin concentration in empurpled grape peel compared to absence of anthocyanins in white grape skin. [ 26 ] Phenolic message of grape skin varies with cultivar, dirt writing, climate, geographic origin, and polish practices or exposure to diseases, such as fungal infections. Muscadine grapes contain a relatively high phenolic resin message among dark grapes. [ 27 ] [ 28 ] In muscadine skins, ellagic acerb, myricetin, quercetin, kaempferol, and trans-resveratrol are major phenolics. [ 29 ] The flavonols syringetin, syringetin 3-O-galactoside, laricitrin and laricitrin 3-O-galactoside are besides found in purple grape but absent in white grape. [ 30 ]


Muscadine grapeshot seeds contain about doubly the entire polyphenol content of skins. [ 28 ] Grape semen oil from crush seeds is used in cosmeceuticals and skin care products. Grape seed oil, including tocopherols ( vitamin E ) and high gear contents of phytosterols and polyunsaturated fatty acids such as linoleic acid, oleic acid, and alpha-linolenic acerb. [ 31 ] [ 32 ] [ 33 ]


Resveratrol, a stilbene colonial, is found in widely varying amounts among grape varieties, chiefly in their skins and seeds. [ 34 ] Muscadine grapes have about one hundred times higher concentration of stilbenes than pulp. fresh grape hide contains about 50 to 100 micrograms of resveratrol per gram. [ 35 ]

Health claims

french paradox

Comparing diets among western countries, researchers have discovered that although french people tend to eat higher levels of animal fat, the incidence of heart disease remains low in France. This phenomenon has been termed the french paradox, and is thought to occur from protective benefits of regularly consuming red wine, among early dietary practices. Alcohol consumption in moderation may be cardioprotective by its minor anticoagulant impression and vasodilation. [ 36 ]
Using grapeshot leaves in cuisine ( Dolma Although adoption of wine pulmonary tuberculosis is broadly not recommended by health authorities, [ 37 ] some research indicates moderate consumption, such as one glass of red wine a day for women and two for men, may confer health benefits. [ 38 ] [ 39 ] [ 40 ] Alcohol itself may have protective effects on the cardiovascular organization. [ 41 ]

Grape and raisin toxicity in dogs

The consumption of grapes and raisins presents a likely health threat to dogs. Their toxicity to dogs can cause the animal to develop acute kidney failure ( the sudden development of kidney failure ) with anuresis ( a lack of urine production ) and may be fateful. [ 42 ]

In religion

Christians have traditionally used wine during worship services as a mean of remembering the blood of Jesus Christ which was shed for the remittance of sins. Christians who oppose the partake of alcoholic beverages sometimes use grape juice as the “ cup ” or “ wine ” in the Lord ‘s Supper. [ 43 ] The Catholic Church continues to use wine in the celebration of the Eucharist because it is part of the tradition passed down through the ages starting with Jesus Christ at the last Supper, where Catholics believe the consecrated boodle and wine literally become the body and lineage of Jesus Christ, a dogma known as transubstantiation. [ 44 ] Wine is used ( not grape juice ) both due to its hard Scriptural roots, and besides to follow the custom set by the early christian Church. [ 45 ] The Code of Canon Law of the Catholic Church ( 1983 ), Canon 924 says that the wine used must be lifelike, made from grapes of the vine, and not corrupt. [ 46 ]


See besides


further understand

  • Creasy, G. L. and L. L. Creasy (2009). Grapes (Crop Production Science in Horticulture). CABI. ISBN 978-1-84593-401-9.

  • The dictionary definition of grape at Wiktionary
  • Media related to Grapes at Wikimedia Commons

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