Briefly, green olives were treated with a solution of NaOH (2e2.5% [w/v]) with the addition, only in the case of patio #1, of NaCl (15.3 g/L) and CaCl2 (0.83 g/L), for 8e10 h; the olives were then washed with water to remove the excess of alkali and finally covered with brine (10e11% [w/v] NaCl).