Bacillus cereus Selective Agar Base (MYP) ISO 7932 is used for isolation and identification of Bacillus species and pathogenic Staphylococci. The composition and performance criteria of this medium are as per the specification laid down in ISO 7932:2004. This medium differentiates B.cereus from other bacteria on the basis of lecithinase activity, mannitol fermentation and resistance to polymyxin.