1. BETA-LACTAMASE COMPOSITION, STERILITY & STABILITY

    β-Lactamase (penicillin amido-b-lactam hydrolase E.C.3.5.2.6.) is sold as a freeze dried powder containing buffer and zinc salts. For the β-Lactamase bulk powder, manufacturing starts the formulation (pre freeze-drying) with 251.39g Trizma pH7.5, 2.175g ZnSO4 and 100g BSA per Million units of BII activity.

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