Research Article

Pharmacological Basis for Traditional Use of the Lippia thymoides

Table 3

Antimicrobial activity of the crude extracts and fractions from leaves and stems of L. thymoides.

SampleMicroorganisms (MIC e MMC em mg/mL)
E. coli S. aureus S. aureus S. choleraesuis B. cereus M. luteus C. albicans C. parapsilosis
CCMB 261CCMB 262CCMB 263CCMB 281CCMB 282CCMB 283CCMB 286CCMB 288
MICMMCMICMMCMICMMCMICMMCMICMMCMICMMCMICMMCMICMMC

TF5.045.045.045.045.045.045.049.944.974.975.045.049.949.944.974.97
TFH5.55<11.11.392.772.772.775.5511.12.772.775.55<11.19.949.942.484.97
TFD2.775.550.350.690.171.392.775.550.170.170.69<11.12.484.970.621.28
TFA2.772.770.350.690.350.691.391.390.690.690.69<11.14.479.944.979.94
TC2.565.120.622.562.565.122.562.482.482.482.565.12<9.94<9.949.949.94
TCH2.7711.12.775.552.775.555.5511.12.772.772.77<11.19.949.942.484.97
TCD2.775.550.350.690.691.392.772.770.690.690.691.399.949.944.979.94
TCA5.0010.000.311.250.621.251.282.480.621.281.251.259.944.974.974.97
CLO0.6750.0030.0840.0050.0050.003NTNT
NISNTNTNTNTNTNT1.252.50
DMSO5.555.5511.15.555.555.55NTNT

MIC, minimum inhibitory concentration; MMC, minimum microbicidal concentration; NT, nontested; TF, crude methanolic extract from leaves; TFH, hexane fraction from TF; TFD, dichloromethane fraction from TF; TFA, ethyl acetate fraction from TF; TC, crude methanolic extract from stems; TCH, hexane fraction from TC; TCD, dichloromethane fraction from TC; TCA, ethyl acetate fraction from TC; CLO, chloramphenicol; NIS, nystatin.