As an expert sommelier and brewer, I can confidently say that Cabernet Sauvignon is generally considered to be drier than Merlot. This distinction is primarily due to the difference in tannin levels between the two wines.
Tannins are natural compounds found in grape skins, seeds, and stems, as well as in oak barrels used for aging wines. They contribute to the texture, structure, and mouthfeel of a wine, and are responsible for that dry, astringent sensation in your mouth. The higher the tannin content, the drier the wine will typically be perceived.
Cabernet Sauvignon grapes have thicker skins and more seeds than Merlot grapes, which results in a higher tannin content in the resulting wine. When you take a sip of Cabernet Sauvignon, you may notice a more pronounced drying sensation on your palate, which can be attributed to these tannins.
On the other hand, Merlot tends to have softer and smoother tannins. The grapes have thinner skins and fewer seeds compared to Cabernet Sauvignon, leading to a lower tannin content. This often results in a wine that is perceived as less dry and more approachable, with a silkier mouthfeel.
It's important to note that the perception of dryness in wine can also be influenced by other factors, such as acidity and residual sugar. A wine with higher acidity can enhance the perception of dryness, while residual sugar can counterbalance the dryness and create a perceived sweetness.
Personal experience can also play a role in how we perceive dryness in wine. Our individual palates and preferences can vary, so what may be perceived as dry to one person might not be the same for another. It's always fascinating to explore and compare different wines to discover our own preferences.
Cabernet Sauvignon generally has more tannins than Merlot, resulting in a drier perception. However, it's important to remember that wine is a complex and subjective experience, and personal preferences can vary. Exploring different wines and tasting experiences is the best way to develop your own understanding and appreciation for the nuances of dryness in wine.