Since 1996 the blend for Chianti and Chianti Classico has been 75–100% Sangiovese, up to 10% Canaiolo and up to 20% of any other approved red grape variety such as Cabernet Sauvignon, Merlot or Syrah. Since 2006, the use of white grape varieties such as Malvasia and Trebbiano have been prohibited in Chianti Classico.