Fermentation

Unwanted microorganisms can compete with the intended culture, alter product characteristics, reduce yield, interfere with fermentation, or produce unexpected laboratory findings. A Fermentation Expert Witness may examine microbial testing, environmental samples, sanitation records, culture information, batch histories, and process conditions to determine where contamination was detected and how it corresponded with the fermentation process. Detection of an unwanted organism does not by itself establish when or how contamination was introduced.

The type, condition, quantity, and handling of a starter culture can influence how fermentation begins and progresses. A Fermentation Expert Witness may evaluate culture specifications, storage records, inoculation procedures, viability information, batch timing, and fermentation data to determine whether differences in culture preparation or use corresponded with changes in process performance.

Scale-up may become significant when a fermentation process performs differently after moving from laboratory or pilot production to larger commercial equipment. Differences in mixing, temperature distribution, oxygen transfer, vessel geometry, processing time, and monitoring can affect process behavior. A Fermentation Expert Witness may compare development records, pilot data, commercial batch information, process parameters, and equipment conditions to evaluate how operating conditions changed as production scale increased.