Sichuan pepper — flavouring profile

Its trademark is not heat but a bright, tingling numbness — a physical buzz on the lips alongside a high, lemony perfume — and it rewrites what a wine has to do.

The compounds that matter. The tingle is hydroxy-alpha-sanshool, which stimulates the nerves directly to produce that fizzing, faintly numbing sensation rather than a taste. The aroma is terpene-driven — linalool, limonene and citronellal give a clean citrus-and-floral lift, closer to lemon zest than to pepper. The numbing dulls the palate and plays against alcohol and bubbles, so a hot, spirituous wine turns the buzz harsh.

What it demands of a wine. Low alcohol first of all, so the sanshool tingle stays playful rather than stinging; a citrus-and-floral aroma to mirror the lemony top note; and very often a touch of sweetness, because Sichuan pepper rarely arrives without chilli, and residual sugar is what quietens capsaicin heat. Bright acidity keeps it lifted.

Seek. Off-dry aromatic whites are the home run — a Mosel Riesling Kabinett mirrors the citrus, answers any chilli with gentle sweetness and stays low in alcohol. Dry Muscat and Gewürztraminer bring the floral lift for milder, chilli-free dishes. A softer, lower-alcohol sparkling refreshes the palate between mouthfuls.

Avoid. High-alcohol whites and reds compound the numbing buzz into something hot and metallic. Tannic reds fight the sanshool and the chilli alike. Bone-dry, austere wines leave the heat nowhere to go.

Three to reach for. Mosel Riesling Kabinett; dry Muscat (Alsace); Gewürztraminer (Alsace).