Figure 1. Effect of cell disruption methods on specific β-galactosidase enzyme activity by K. lactis NRRL Y-8279. (GB: Glass beads, SO: Sonication, LN: Liquid nitrogen, IA: Isoamyl alcohol, TX: Triton X-100, SDS: Sodium dodecyl sulfate) (pH = 7.0, Initial substrate concentration = 30 g/l, incubation time = 48 hrs, T = 30ºC).


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