Feb 1, 2016 | LEARNING ABOUT WINE |
What is in a Glass of Wine serves as a foundation for learning about the chemical components of wine: This post is about tannins in wine but there are also acid, alcohol, sugars and aromatic components…Though water remains the most abundant. These components, called “Structural Components”, help define the taste of wine, and they are very helpful in understanding the wide variety of aromas, flavors, tastes and textures of wine. This series of posts explains how these components appear in wine and how they affect the taste, with special attention on the different aspects that can make them change or evolve. Here it comes: What is in a Glass of Wine? (III): Tannins Ready for more about this topic? Among the 3% of other components of wine, in this video we take a look at tannins. What are tannins? Tannins are components responsible for the structure of the wine and belong to a chemical group called phenolic components. Among them, there are other famous substances of wine, like anthocyanins (responsible for the color of wine) and resveratrol (well-known and discussed due to its antioxidant properties). Biologically, tannins are molecules developed by plants as natural defenses and preservatives… And they affect the taste of the wine. Tannins come from the skins, the seeds or the stems of the grapes and are also present in wood. So, wines fermented in contact with the skins, seeds or stems of the grapes or aged in oak barrel, have tannins. According to the winemaking techniques, red wines and rosé wines always have tannins. White wines can have tannins too if they spend time in oak. How tannins are perceived? Tannins in wine are described as structure, as a sensation...
