A multi-strain formulation with overlapping growth requirements often can’t be enumerated with a single agar and a single set of conditions. Different organisms may have different growth requirements, even subspecies or different strains.
Under USP <64>, you need a recovery strategy that:
✓ Identifies each declared strain
✓ Accounts for stressed / sub-lethally injured cells (encapsulation, freeze-drying, gastric simulation)
✓ Is reproducible across batches and analysts
✓ Has been suitability-confirmed for your specific matrix
We build these strategies the slow, careful way. It’s the only way they hold up.
Learn more about our process 👉 innovotech/probiotic-testing
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