Archaeological evidence has established the earliest-known production of wine from fermenting grapes during the late Neolithic or early Chalcolithic in the Caucasus and the northern edge of the Middle East. An extensive gene-mapping project in 2006 analyzed the heritage of more than 110 modern grape cultivars, narrowing their origin to a region of Georgia. This
Regulations govern the classification and sale of wine in many regions of the world. European wines tend to be classified by region (e.g. Bordeaux, Rioja and Chianti), while non-European wines are most often classified by grape (e.g. Pinot noir and Merlot). Market recognition of particular regions has recently been leading to their increased prominence on
Wine is usually made from one or more varieties of the European species Vitis vinifera, such as Pinot noir, Chardonnay, Cabernet Sauvignon, Gamay and Merlot. When one of these varieties is used as the predominant grape (usually defined by law as minimums of 75% to 85%), the result is a “varietal” as opposed to a