Research Article

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

Table 6

FTIR analysis of chloroform fractions of C. roseus and W. somnifera.

Wavenumber (cm-1)Functional groups

C. roseus1707C=O stretch (aldehydes)
1227C-F stretch (alkyl halides)

W. somnifera2925C-H stretch (alkanes and alkynes)
2858C-H stretch (alkanes and alkynes)
1689C=O stretch (carboxylic acid)
1019C-F stretch (alkyl halides)