Research Article

Synergistic Effect of Combined Antibiotic and Methanolic Extracts of Withania somnifera and Catharanthus roseus against MDR Salmonella enterica Serovar Typhi

Figure 1

Representation of the synergistic effect of medicinal plants in combination to the antimicrobial agents: (a) synergistic activity of C. roseus in combination with chloramphenicol and (b) synergistic activity of W. somnifera in combination with ceftazidime (1 = antibiotic alone; 2 = antibiotic+plant extract; 3 = plant extract alone).
(a)
(b)