Syrah also make a full-bodied sparkling dry Shiraz, which contains the complexity and sometimes earthy notes that are normally found in still wine. Due to their concentrated flavours and high tannin content, many premium Syrah wines are at their best after some considerable bottle aging. In exceptional cases, this may be 15 years or longer. Syrah has one of the highest recommended wine serving temperatures at 18 °C (65 °F). Wines made from Syrah are often powerfully flavoured and full-bodied. The variety produces wines with a wide range of flavor notes, depending on the climate and soils where it is grown,
Rhône wine it and the Viognier grape. Meanwhile, extensive DNA typing and viticultural research has led scientists to conclude that Syrah originated in the Rhône region itself. Regardless of origin, when the Romans disappeared so too did interest in the wine of the region. Rhône reappeared in the 13th century when the Popes and their considerable purchasing power moved to Avignon, at which time the production of wine expanded greatly. The wines were traded to such a degree that the Duke of Burgundy banned import and export of non-Burgundian wines. In 1446 the city of Dijon forbade all wines from Lyon, Tournon