Listeria Inactivation in Human and Bovine Milk Under High-Pressure and UV-C Treatments

Two Listeria monocytogenes strains were tested in human and bovine milk under high-pressure processing and UV-C irradiation. The dataset compares pathogen reduction and post-treatment growth during 22-day refrigeration. Hussein M. H. Mohamed published the study on figshare in April 2026.

Use Cases

• Compare log reduction (CFU/mL) of L. monocytogenes strains ATCC 35152 and OSY-328 between human and bovine milk for each HPP pressure-time combination.
• Model the relationship between UV-C irradiation dose (J/L) and pathogen lethality to identify the threshold for a >5-log reduction in human milk.
• Analyze growth curves of L. monocytogenes during 22-day storage at 4°C to contrast antimicrobial activity in processed human milk versus growth support in bovine milk.
• Evaluate the efficacy of Holder pasteurization, HPP (500 MPa, 9 min), and UV-C (5,000 J/L) treatments by comparing final pathogen counts against the detectable limit (1 CFU/mL).

Strengths

• Directly compares two milk types (human and bovine) and two pathogen strains under identical experimental conditions.
• Tests multiple treatment parameters: HPP at 400, 450, 500 MPa for 1, 5, 9 minutes and UV-C from 500 to 7,300 J/L.
• Includes longitudinal data on pathogen growth over a 22-day refrigerated storage period.

Limitations

• The dataset is very small at 15.0 KB, indicating a summary table rather than raw experimental replicates or time-series measurements.
• Sample size for each treatment condition is not specified, limiting statistical power analysis.
• Data is presented in a DOCX file, requiring extraction for computational analysis.

Provenance

Source

figshare, authored by Hussein M. H. Mohamed.

Collection Method

Experimental laboratory study inoculating milk samples with L. monocytogenes, applying treatments, and measuring microbial counts.

Time Range

Experimental observations cover a 22-day storage period.

Freshness

Last updated April 2026, indicating projected future data.

Geography

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