Choozit Alp D is a medium to fast acidifying culture suitable for the production of semi hard and hard cheeses. It contains a mix of mesophilic and thermophilic acidifying strains. The addition of Lb. helviticus and Lb. lactis strains, gives higher proteolytic activity, and a pleasant aroma and flavour. Choozit Alp D, can be used in conjunction with the propionic culture Choozit Eyes, in the production of large eyed cheeses such as Emmental.