the wine, which gained the doc status in 1978, and upgraded to docg status from the 2007 vintage, is made from of 85% sangiovese (which is also the base of the tuscan wines: chianti, brunello di montalcino and vino nobile di montepulciano). the remaining 0–15% of any non aromatic black grape varieties included in a list made and periodically updated by the local authorities.