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Resveratrol, a stilbene compound, is found in widely varying amounts among grape varieties, primarily in their skins and seeds. [40] Muscadine grapes have about one hundred times higher concentration of stilbenes than pulp. Fresh grape skin contains about 50 to 100 micrograms of resveratrol per gram. [41]
During the devastating phylloxera blight in late 19th-century Europe, it was found that Native American vines were immune to the pest. French-American hybrid grapes were developed and saw some use in Europe, but more important was the practice of grafting European grapevines to American rootstocks to protect vineyards from the insect. The ...
As of 2012, there were between 5,000 and 10,000 varieties of Vitis vinifera grapes though only a few are of commercial significance for wine and table grape production. [ 3 ] The wild grape is often classified as Vitis vinifera sylvestris (in some classifications considered Vitis sylvestris ), with Vitis vinifera vinifera restricted to ...
The seedless table grapes found at most grocery stores are also V. vinifera but have been modified to grow ... Cotton Candy grapes were bred by International Fruit Genetics in 2003 but did not ...
The first vines of Vitis vinifera origin came up through New Spain (Mexico) and were planted in Senecu in 1629, which is near the present day town of San Antonio, New Mexico. The discovery in 1802 of the native Catawba grape led to very successful wine-making in Ohio. By 1842 Nicholas Longworth was growing 1,200 acres (4.9 km 2) of Catawba ...
The grape's true origins were discovered in 1996 with the use of DNA typing at the UC Davis Department of Viticulture and Enology by a team led by Carole Meredith. The DNA evidence determined that Cabernet Sauvignon was the offspring of Cabernet franc and Sauvignon blanc and was most likely a chance crossing that occurred in the 17th century.
Grape pips have been found throughout France, pre-dating Greek and Roman cultural influences, with some examples found near Lake Geneva being over 12,000 years old. [2] A major turning-point in the wine history of Gaul came with the founding of Massalia in the 6th century BC by Greek immigrants from Phocae a in Asia Minor .
The gross value of Fresno County’s crop and livestock production reached almost $8.1 billion in 2022.