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Recent development in low-moisture foods: Microbial safety and thermal process
Shuxiang Liu1, M S Roopesh2, Juming Tang3
1Institute of Food Processing and Safety, School of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, China.
This review details microbial testing protocols for low-moisture foods (LMFs). Understanding factors affecting bacterial thermal resistance is key for ensuring the microbial safety of LMFs through effective interventions.
Area of Science:
- Food microbiology
- Food safety engineering
Background:
- Pathogen contamination in low-moisture foods (LMFs) causes outbreaks.
- Industrial interventions and scientific studies are ongoing to address bacterial persistence in LMFs.
Purpose of the Study:
- To provide comprehensive information on microbial study protocols for LMFs.
- To review factors influencing bacterial thermal resistance in LMFs.
- To support the enhancement of pasteurization processes for improved microbial safety.
Main Methods:
- Review of general protocols for microbial studies in LMFs.
- Detailed examination of specific procedures like the lawn-harvest method.
- Analysis of analytical protocols for pathogen recovery and enumeration.
Main Results:
- Summarized key factors influencing microbial validation studies in LMFs.
- Highlighted utilized and accepted laboratory tools for microbial analysis.
- Provided detailed procedures for microbial testing.
Conclusions:
- Effective microbial validation studies are crucial for LMF safety.
- Understanding thermal resistance factors aids in designing effective thermal processes.
- This review supports optimizing interventions for safer LMFs.
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