Dry wine: fruity, not sweet
At almost every tasting it happens: someone takes a sip of a young, juicy red wine, pauses briefly and says it is really sweet. In the lab, that very wine shows zero residual sugar. So the impression is not deceptive; it just means something other than the word suggests. Whether a dry Bordeaux seems sweet is decided hardly at all by the sugar it does not have, but by its aroma, its alcohol, and what the acidity is doing in the background.
Why fruit tastes like sweetness
Most of what we call “taste” does not come from the tongue at all, but from the nose. As we swallow, aromas rise from the back of the mouth into the olfactory bulb, where the brain matches them against our experience. The scent of ripe cherry, cassis or plum belongs to things that were almost always sweet in our lives, and that expectation carries over to the wine: an intensely fruity aroma makes the very same sip taste sweeter, even though nothing about the sugar has changed. Sensory science calls this aroma-induced sweetness enhancement, and it is why a firm, fully fermented dry wine can give an impression of sweetness without carrying a single gram of sugar. This is neither imagination nor a matter of practice: even trained tasters experience the shift, because it sits deep in the way smell and taste converge in the mind.
What alcohol adds
Alcohol joins the fruit. On the tip of the tongue it triggers a light, warm, rounded sensation close to the impression of sweetness, and it gives the wine weight and fullness in the mouth. A wine from fully ripe grapes that carries a little more alcohol therefore seems fuller and softer, and we quickly read that same softness as sweetness. The serving temperature also plays a part: poured a little warmer, fruit and alcohol come forward and the wine seems sweeter; served cooler, the acidity moves to the front. How you pour thus changes the impression before you have judged the wine itself at all.
Why it stays dry anyway
Against all this stands acidity, and in a red wine tannin as well. Both pull the other way: acidity makes the wine fresh and clear, tannin gives it grip and a slightly dry feel on the palate. Here it is worth separating two meanings of “dry” — the winemaker means that the sugar has been fully fermented, while the same word on the palate describes the puckering feel of tannin. Acidity and tannin are also the structure that carries the fruity impression without tipping into the sugary, and that keeps a wine upright and lean. This is exactly where a decision in the cellar lies: how much fruit a wine may carry forward and how much acidity holds it together. Our Gigue lives on this interplay — it tastes young and fruity, positively energetic, and yet stays bone dry.
Two questions, not one
Anyone who keeps these forces apart drinks more attentively. Whether a wine is sweet concerns the sugar; whether it is fruity concerns the aroma — and a wine can smell exuberantly of fruit and still be perfectly dry. It is worth consciously tasting the next glass and separating what the nose promises from what the tongue actually finds. Usually the end of the observation is not added sugar but simply a wine that shows its fruit openly and has kept its backbone.