Torbato

Torbato is, as D’Agata puts it, a one-region, one-area and very nearly one-estate grape. It has been grown around Alghero in north-western Sardinia since ancient times, and Sella & Mosca make essentially all of Italy’s Torbato. Around 135 hectares survive. The wine is delicate enough that an inattentive drinker will miss it entirely.

Origins and history Known in the past as Turbat, Razola, Cuscosedda, Trobadu and Vitis Iberica, the variety has deep roots in the Alghero countryside, the corner of Sardinia that retains its Catalan character. Genetic analysis at twelve SSR loci has demonstrated a relationship to the Portuguese variety Arinto, the two sharing seventeen alleles across eleven of the twelve loci examined. Separate work relates Torbato to the French Malvoisie de Roussillon, now rare in France as well.

A difficult grape to farm Almost everything about Torbato works against the grower. It ripens late, its berries have thin skins, it falls easy prey to viruses, and it fails to accumulate much sugar if yields are allowed to run high. It is also naturally low in acid. That combination explains both the small plantings and why so few producers have taken it on.

Where it grows Plantings are concentrated in the countryside around Alghero, with some vines near Sassari. Torbato wants dry, warm weather and calcareous-clay soils, and gives its best results on the terre bianche, the chalk-rich soils of marine origin found in and around Alghero. Those soils are the single clearest factor in the quality of the wine.

In the cellar The wine is the Alghero Torbato DOC, made still and sparkling. Because the pH of Torbato musts tends to run high, between 3.8 and 4, acidification is often necessary, which is an unglamorous but honest fact about the variety. Careful yield control matters more than cellar technique, since the sugar simply is not there when the vine is allowed to overcrop.

Appearance and structure Torbato gives a light, fresh white of no great weight, and its quality lies in precision rather than presence. The low natural acidity means the wine depends on picking date and site to stay lively. At its best it has a fine, quiet elegance; at its worst it is simply thin.

Aromatic profile Very delicate aromas of yellow plum and pear lead, with hints of thyme and pistachio nut behind them. The pistachio note is the most distinctive thing about the wine and the easiest to miss. Nothing here announces itself, which is precisely why Torbato has never found a wide audience.

One estate’s grape Sella & Mosca have carried the variety almost single-handedly, with results ranging from decent to genuinely excellent. Their Terre Bianche, named for the chalky marine soils, is the benchmark bottling, while the premium Cuvée 161 is the estate’s most important wine. The dependence is total: were that one house to lose interest, Torbato would effectively disappear.

Key expressions

• Alghero Torbato DOC, still, from the terre bianche.
• Alghero Torbato Spumante, the sparkling version.
• Terre Bianche, the benchmark bottling from the chalk soils.
• Premium cuvées from low-yielding parcels.

The question of aging The low natural acidity limits what Torbato can do with time, and most bottlings are best inside three years while the plum and pear fruit is fresh. The premium wines from the chalk soils carry more structure and will hold five or six, developing a nuttier register that plays to the pistachio note. Beyond that the wine simply flattens.

At the table Alghero is a fishing town and Torbato behaves accordingly, suiting lobster, sea bream, shellfish and the Catalan-influenced cooking of the area. Its delicacy means it should be kept away from anything strongly spiced. Serve it around ten degrees, not colder, or the aromatics disappear altogether.

Why it matters Torbato is a case study in how narrow the base of a rare variety can be: one area, one soil type, one estate of consequence, 135 hectares. Its links to Portugal’s Arinto and to a near-extinct French Malvoisie also make it a useful marker of how grapes moved around the western Mediterranean. It is not a great wine, but it is an irreplaceable one.