Probiotics and Their Antimicrobial Metabolites: A Collegial Strategy for Food Bio-Preservation - A Review

Area of Science:

• Food Science
• Microbiology
• Biotechnology

Background:

• Food safety and shelf-life extension are critical global challenges.
• Consumer demand for natural food preservatives drives research into biological alternatives.
• Probiotics show promise beyond health benefits, aiding food preservation.

Purpose of the Study:

• To review the synergistic application of probiotics and their antimicrobial peptides (AMPs) as natural food preservatives.
• To examine the mechanisms, efficacy, and industrial potential of this combined approach.
• To highlight advancements and challenges in using probiotics and AMPs for food safety.

Main Methods:

• Literature review of studies on probiotics and their antimicrobial peptides (AMPs) in food preservation.
• Analysis of mechanisms of action, including competitive exclusion and AMP production.
• Evaluation of efficacy in diverse food matrices like dairy, meats, and vegetables.

Main Results:

• Probiotics create protective biofilms and produce AMPs (bacteriocins, enzymes) targeting spoilage and pathogenic microbes.
• Synergistic application of probiotics and AMPs demonstrates enhanced efficacy in extending shelf life.
• Probiotic-derived AMPs show stability, offering a natural, label-friendly preservation option.

Conclusions:

• The combined use of probiotics and their antimicrobial peptides (AMPs) is a potent strategy for natural food preservation.
• This synergistic approach effectively controls microbial load, delays spoilage, and enhances food safety.
• Further research is needed to address challenges in strain specificity, scalability, and regulatory approval for industrial application.