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SAN BARTOLOMEO Azienda Agricola S.r.l. di Bo Giuseppe & C.

Barbera d'Asti DOCGRuchè di Castagnole Monferrato DOCGTerre Alfieri DOCG

San Bartolomeo operates across three flagship Piedmont denominations, commanding the demanding requirements of Ruchè di Castagnole Monferrato DOCG, where their reds marry local Ruchè with Barbera or Brachetto. The azienda also produces within Terre Alfieri DOCG's dual-category zone, crafting both white Arneis and Nebbiolo-based reds from its 11-municipality terroir. A four-month aging mandate shapes their Barbera d'Asti DOCG output, drawn from Piedmont's expansive 165-municipality region. Each denomination reflects distinct varietal protocols and minimum alcohol thresholds, anchoring their production in regional specificity.

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What it makes

DOCG

Barbera d'Asti

Grapes: Barbera ≥90%, altri vitigni a bacca nera non aromatici idonei (Piemonte)Styles: RedMin. alcohol: 12%4 months aging

→DOCG

Ruchè di Castagnole Monferrato

Grapes: Ruchè ≥90%, Barbera e/o BrachettoStyles: RedMin. alcohol: 12.5%

→DOCG

Terre Alfieri

Grapes: Arneis (tipologia Arneis) ≥85%, Nebbiolo (tipologia Nebbiolo) ≥85%, altri vitigni non aromatici idonei (Piemonte), a bacca bianca o nera secondo tipologiaStyles: White · RedMin. alcohol: 12%

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