Development of geraniol-loaded liposomal nanoformulations against salmonella colonization in the pig gut

Ekonomou, Sotirios I; Thanekar, Akshay; Lamprou, Dimitrios A; Weaver, Edward; Doran, Olena; Statakos, Alexandros Ch

Abstract

Salmonella is a global health threat, with pig production being one of the main sources of human salmonellosis. The current study investigated the antivirulence properties of geraniol for inhibiting the in vitro colonization of Salmonella. The minimum inhibitory (MIC) and bactericidal concentrations (MBC) of geraniol against Salmonella typhimurium followed by the sub-MIC of geraniol were determined. Results provided clear evidence that geraniol at 1/8 MIC can be used as an effective, non-toxic antivirulence compound to inhibit virulence factors (motility, adhesion, and invasiveness) affecting the colonization of S. typhimurium on IPEC-J2 cells. Additionally, the findings signified that microfluidics is an emerging technology suitable for the preparation of stable liposomes with a small size (<200 nm) and high encapsulation efficiency (EE) of up to 92.53%, which can act as effective carriers of geraniol into the pig gastrointestinal tract (GIT), targeting Salmonella, preventing colonization, and thus increasing the safety of the food supply chain.

• Journal Article Type: Article
• Acceptance Date: May 18, 2022
• Online Publication Date: Jun 2, 2022
• Publication Date: 2022-06
• Deposit Date: Jun 8, 2022
• Publicly Available Date: Jun 8, 2022
• Journal: Journal of Agricultural and Food Chemistry
• Print ISSN: 0021-8561
• Electronic ISSN: 1520-5118
• Publisher: American Chemical Society
• Peer Reviewed: Peer Reviewed
• Volume: 70
• Issue: 23
• Pages: 7004-7014
• DOI: https://doi.org/10.1021/acs.jafc.2c00910
• Keywords: antivirulence; gastrointestinal tract; Salmonella; liposomes; delivery; microfluidics; Bacteria; Encapsulation
• Public URL: https://uwe-repository.worktribe.com/output/9612984
• Publisher URL: https://pubs.acs.org/