Syrah 1830s. So while the name or spelling "Shiraz" may be an effect of the English language on a French name, there is no evidence that it actually originated in Australia, although it was definitely the Australian usage and the Australian wines that made the use of this name popular. Another legend of the grape variety's origin, based on the name Syrah, is that it was brought from Syracuse by the legions of Roman Emperor Probus sometime after AD 280. This legend also lacks documentary evidence and is inconsistent with ampelographic findings. The wines that made Syrah famous were those from
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