Related Experiment Video
Updated: Oct 22, 2025

Bacteriophage Effectiveness for Biocontrol of Foodborne Pathogens Evaluated via High-Throughput Settings
Published on: August 19, 2021
Application of bacteriophage as food preservative to control enteropathogenic Escherichia coli (EPEC)
Diana Elizabeth Waturangi1, Cecillia Pingkan Kasriady2, Geofany Guntama2
1Department of Biotechnology, Atma Jaya Catholic University of Indonesia, Jalan Jenderal Sudirman 12930, Jakarta, Indonesia. diana.waturangi@atmajaya.ac.id.
Objectives:
This study was conducted to characterize lytic bacteriophages infecting enteropathogenic Escherichia coli (EPEC) on several types of food and analyze their ability as phage biocontrol to be used as a food preservative. Characterization was done for bacteriophage morphology and stability, along with the determination of minimum multiplicity of infection (miMOI), and application of bacteriophage in the food matrix.
Results:
Out of the five samples, BL EPEC bacteriophage exhibited the highest titer of 2.05 × 109 PFU/mL, with a wide range of pH tolerance, and high thermal tolerance. BL EPEC also showed the least reduction after 168 h of incubation, with a rate of 0.90 × 10-3 log10 per hour. Bacteriophages from BL EPEC and CS EPEC showed an ideal value of miMOI of 0.01. As a food preservative, BL EPEC bacteriophage was able to reduce bacteria in food samples with a reduction above 0.24 log10 in lettuce and approximately 1.84 log10 in milk. From this study we found that BL EPEC bacteriophage showed the greatest potential to be used as phage biocontrol to improve food safety.
More Related Videos
Related Concept Videos
Lysogenic Cycle of Bacteriophages
Biological Methods for Microbial Control
Lytic Cycle of Bacteriophages
Viral Replication: Lytic Cycle
Viral Replication: Lysogenic Cycle
DNA Bacteriophages

