1: With citric acid tripotassium salt; magnesium chloride in water T=75°C; Industry scale; 2: With dipotassium hydrogenphosphate; Maxilact L2000 enzyme in water T=46 - 75°C; pH=7.2; 12 h; Enzymatic reactionIndustry scale; 3: With sodium hydroxide; oxygen; Enzidase GO 1500; Catazyme 25L; Sweetzyme IT Product distribution / selectivity; more than 3 stages;