Package Purge, Exudate and Condensation

Purge is liquid expelled from the product, exudate is a broader term for released fluid, and condensation forms when water vapour meets a colder package surface. They may occur together but have different causes.

Low water-holding capacity, protein damage, freezing and thawing, overcooking, excessive injection or weak bind can increase release from the meat.

Vacuum pressure, seal defects, film properties, product temperature and rapid environmental changes affect visible liquid. Warm product packed before adequate cooling can create internal condensation.

Cloudiness, gas, slime, odour or increasing purge during storage may accompany microbial growth, but clear liquid alone does not identify spoilage.

Measure package integrity, storage temperature, product pH, process yield, cooling history and liquid distribution. Compare intact and leaking packages and record when the defect first appears.

Correct water-holding, thermal, cooling, packaging or storage causes. Absorbent pads and stronger vacuum can manage appearance but should not conceal a failed process.