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Concord grapes

Closeup.

Ripe grapes (foreground) and unripe grapes (background). Unripe grapes can be made into
verjuice.
'Concord grapes' are a
cultivar derived from the
grape species ''
Vitis labrusca'' (a.k.a. fox grape) which are used both as
table grapes,
wine grapes and juice grapes.
The skin of a Concord grape is typically dark blue or purple, and often is covered with a lighter colored "bloom" which can be rubbed off. It is a slip-skin variety, meaning that the skin is easily separated from the fruit. Concord grapes have large seeds and are highly aromatic. They are often used to make grape
jelly, grape juice, grape-flavored soft drinks, and candy. The grape is sometimes used to make
wine, particularly
kosher wine, though it is not generally favored for that purpose due to the strong "foxy" (sometimes described as candied-strawberry/musky) flavor. Traditionally, most commercially produced Concord wines have been finished sweet, but dry versions are possible if adequate fruit ripeness is achieved.
History
The Concord grape was developed in
1849 by
Ephraim Wales Bull in
Concord, Massachusetts. Bull planted seeds from wild ''
Vitis labrusca'' and evaluated over 20,000 seedlings before finding what he considered the perfect grape, the original vine of which still grows at his former home. The pollen parent is unknown, but although 'Concord' is frequently considered to be basically a ''
Vitis labrusca'' cultivar, some have argued that the hermaphrodite flowers suggest at least a small amount of ''
Vitis vinifera'' in its
pedigree. This trait has not been proven to exist in any native American grapes. However, Concord is definitely much more ''labrusca''-like in its characteristics than ''vinifera''-like. Many consider the likely male parent to have been
Catawba, itself probably half Vitis labrusca, which Bull had growing nearby. Therefore it is more properly termed "Vitis x labruscana" rather than "Vitis labrusca".
In 1853, Bull's grape won first place at the
Boston Horticultural Society Exhibition. It was then introduced to the market in 1854. Dr.
Thomas Bramwell Welch developed the first 'Concord'
grape juice in 1869. Through the process of
pasteurization, the juice did not
ferment. Welch originally introduced the grape juice to his church, to be used for
communion.
Concord grapes are often used to make grape
jelly and are occasionally available as table grapes, especially in
New England and also in Texas. They are the usual grapes used in the jelly for the traditional
peanut butter and jelly sandwich, and 'Concord' jelly is universally sold in U.S. supermarkets. 'Concord' grapes are used for grape juice, and their distinctive purple color has led to grape flavored soft drinks and candy being artificially colored purple. Recently, white grape juice with a milder flavor and less ability to stain fabric, primarily from 'Niagara' grapes, has risen in popularity at the expense of 'Concord' juice. The dark colored 'Concord' juice is used in some churches as a non-alcoholic alternative to wine in the service of
communion.
In the
United States, more than 400,000 tons of Concord grapes are harvested in the
northern regions and
Pacific Northwest.
Washington produces the most, followed by
New York. This is about 8% of the total U.S. grape harvest. However, the enforced preference for bland seedless grapes has all but banished the concord grape from grocery produce racks.
The Concord grape is particularly prone to the physiological disorder
Black leaf.
[1]
Purple grape juice contains the most antioxidants, which are believed to help reduce premature aging and minimize heart disease and other chronically disabling diseases.
References
1. R. Irvine & W. Clore ''The Wine Project'' pg 31 Sketch Publications 1997 ISBN 0-9650834-9-7
External links
★
Concord Grape Association
★
National Grape Cooperative
★
Welch's Grape Juice