Shiraz wine are none. As a whole, Iran is not a wine producing country, but Iranian Christians are legally allowed to ferment wine. Australian Shiraz is exported mainly to the United States and Asian countries. The modern Shiraz grape, now known to be identical to the Syrah grape, was brought to Australia by James Busby, the father of Australian wine. Busby travelled through Spain and France collecting vine cuttings that were the foundation of the Australian wine industry. Despite being genetically identical, the Shiraz grape tastes and looks different compared to its European siblings especially when grown in warm climates. Despite the
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