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Contamination
hat measures can be taken to prevent microbial cross-contamination during the pellet cooling and packaging stages?
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3 Replies
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Good
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Preventing microbial cross-contamination during pellet cooling and packaging requires a “clean-to-dirty” flow strategy, stringent moisture management, and targeted sanitation, as these stages are high-risk for recontamination following the thermal kill step. Key measures include using HEPA-filtered air for cooling, maintaining positive air pressure in packaging, and implementing strict hygiene protocols for equipment and personnel.
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During cooling and packaging, the key is preventing recontamination by using clean, dry (ideally filtered) air, avoiding condensation, removing and cleaning dust build-up in coolers/ducts/hoppers, separating clean vs. dirty areas, and applying validated sanitation. From a QC perspective, environmental swabbing at critical points helps verify control effectiveness.
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