COMPREHENSIVE IN VITRO ASSESSMENT OF THE SAFETY PROFILE OF Bacillus subtilis Eramic 25 AND ITS POTENTIAL FOR APPLICATION IN THE DEVELOPMENT OF FUNCTIONAL FOODS AND HEALTH SUPPLEMENTS
Main Article Content
Abstract
Aims: This study aimed to comprehensively assess the in vitro safety profile of Bacillus subtilis Eramic 25 in accordance with the guidelines of GRAS, the United States Food and Drug Administration (FDA), and the European Food Safety Authority (EFSA), through the evaluation of antimicrobial activity, cytotoxicity, and the presence of antibiotic resistance and virulence genes associated with safety.
Methods: The conducted assays included the evaluation of antibacterial activity against pathogenic bacteria, cytotoxicity testing on two cell lines, Vero and HT-29, as well as genomic analysis to identify the presence of virulence genes and antibiotic resistance genes
Results: The B. subtilis Eramic 25 strain does not inhibit selected common pathogens, and exhibits no cytotoxic effects on Vero and HT-29 cell lines. Furthermore, genomic analysis confirmed that this strain does not genes encoding for toxins and hemolytic genes. Antibiotic resistance genes are not located on plasmids or transposable elements, indicating a very low risk of horizontal gene transfer of antibiotic resistance.
Conclusion: B. subtilis Eramic 25 meets the in vitro safety criteria recommended by GRAS, FDA, and EFSA. These findings support the potential application of this strain in the production of probiotics, functional foods, and food products for human consumption, and provide a basis for animal studies and clinical trials on human.
Keywords
𝐵𝑎𝑐𝑖𝑙𝑙𝑢𝑠 𝑠𝑢𝑏𝑡𝑖𝑙𝑖𝑠, cytotoxin, toxin genes, antibiotic resistance genes
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References
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