Investigating the Antimicrobial Properties and Pigmentation of Several Medicinal Plants on Antibiotic-Resistant <i>Salmonella typhimurium</i>

Abstract

Background: The aim of this study was to investigate the antimicrobial properties and pigmentation effects of several medicinal plants on antibiotic-resistant Salmonella typhimurium. Methods: Medicinal plant extracts were prepared using ethanol as a solvent, and the antimicrobial activity was assessed by measuring the diameter of the inhibition zones using the microdilution method. The pigmentation effect of the plant extracts, indicated by pink coloration, was evaluated using an ELISA reader. Results: The findings showed that the maximum inhibition zone diameter for Nannorrhops ritchiana ethanolic extract was 8 mm, while the minimum was 1 mm. For Ficus religiosa leaves, the maximum inhibition zone was 15 mm, and the minimum was 2 mm. The inhibition zone for musk ranged from 1 mm (minimum) to 18 mm (maximum). Capparis spinosa L. fruits exhibited an inhibition zone diameter of 15 mm. Conclusions: The results indicate that medicinal plants possess significant inhibitory effects against Salmonella typhimurium and can be considered potential treatments for infections caused by this bacterium.