Syrah through their partnership with Woodinville, Washington-based Columbia Winery and Master of Wine David Lake. Expanding at a significant rate, it is used to produce single-varietial wines as well as being blended with grapes such as Grenache, Cinsault, and Viognier. Syrah plantations in Argentina increased from less than in 1990 to in 2002. Syrah has occasionally been used as a blending component with Argentina's signature dark-skinned grape Malbec to provide an "Argentinian take" on the Australian Cabernet-Shiraz blend. Around 2005, there were of Syrah in Chile. Durif, or Petite Sirah, is a descendant of Syrah and Peloursin. It was propagated by
Phenolic content in wine grapes varies depending on the variety with Cabernet Sauvignon, Nebbiolo, Syrah and Tannat being 4 of the most tannic grape varieties. The reaction of tannins and anthocyanins with the phenolic compound catechins creates another class of tannins known as pigmented tannins which influence the color of red wine. Commercial preparations of tannins, known as "enological tannins", made from oak wood, grape seed and skin, plant gall, chestnut, quebracho, gambier and myrobalan fruits, can be added at different stages of the wine production to improve color durability. The tannins derived from oak influence are known as "hydrolysable tannins" being created from