Syrah and named after Dr. Francois Durif. Durif is a cross breed between the lesser known Peloursin and Syrah. Regions such as Rutherglen have achieved international regard for their Durif. This varietal is similar to Shiraz but is even more full-bodied and tannic because of the smaller, thicker-skinned grapes used. Petite Sirah is widely planted in California, where it is popular as a varietal (for example, by Bogle Vineyards), and especially blended with Zinfandel, which results in a rich, bold and fruity wine. Syrah Syrah (), also known as Shiraz, is a dark-skinned grape variety grown throughout the world and used
Phenolic content in wine produce grapes with higher levels of resveratrol than warmer, drier wine regions such as California and Australia. Different grape varieties tend to have differing levels, with Muscadines and the Pinot family having high levels while the Cabernet family has lower levels of resveratrol. In the late 20th century interest in the possible health benefits of resveratrol in wine was spurred by discussion of the French paradox involving the health of wine drinkers in France. Piceatannol is also present in grape from where it can be extracted and found in red wine. Vanillin is a phenolic aldehyde most commonly associated with