As an expert sommelier and brewer, I can confidently say that boiling wine does not make it stronger in terms of alcohol content. The alcohol content of a wine is determined during the fermentation process, where the sugar in the grapes is converted into alcohol. This process occurs before the wine is bottled, and the alcohol content remains constant regardless of the temperature at which the wine is served or heated.
However, it is important to note that the perception of alcohol on the palate can vary with the serving temperature. When wine is heated, the alcohol molecules become more volatile and can be detected more easily by our senses. This can give the impression of a stronger alcohol presence, even though the actual alcohol content has not changed.
In my experience, I have found that serving a wine at a slightly warmer temperature can enhance the expression of its aromas and flavors. This is particularly true for red wines, where a slight increase in temperature can help to release the complex bouquet and soften the tannins. However, there is a limit to this, as excessively high temperatures can also mask the wine's nuances and make it taste unbalanced.
On the other hand, serving a wine too cold can also affect the perception of alcohol. When a wine is chilled to extreme temperatures, the alcohol can be numbed on the palate, making it less noticeable. This is often the case with lighter white wines or sparkling wines, where a colder serving temperature can help to balance the acidity and provide a refreshing sensation.
To summarize, while boiling wine does not increase its alcohol content, the perception of alcohol on the palate can vary with the serving temperature. Finding the right temperature to serve a wine can enhance its aromas, flavors, and balance. It is always important to consider the specific characteristics of each wine and experiment with different temperatures to find the optimal serving temperature for maximum enjoyment.
The alcohol content of a wine remains constant regardless of temperature, but the perception of alcohol on the palate can vary. Experimenting with different serving temperatures can enhance the overall experience of a wine and bring out its unique qualities.