Walk down any grocery aisle and you will see bottles dressed in Tuscan colors, rustic fonts, and words like “premium” and “imported.” What you will almost never see is the name of a farm. That absence is the whole story. Most olive oil on American shelves is assembled, not grown — bought in bulk from brokers, blended in industrial facilities, and bottled by companies that have never pruned a tree.
Single source means the opposite. It means every drop in the bottle comes from one named estate: olives grown, harvested, and pressed by the same people, in the same place, under one standard. There is no averaging, no anonymous tanker oil, no gap in the chain where quality quietly disappears.
Why does it matter? Because accountability follows ownership. When a family puts its name and its village on the label, it cannot hide behind a blend. Posterino has been that family in San Procopio, Calabria, since the 1950s — one estate, one press, six generations and counting.
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