International Journal of Pharma and Bio Sciences
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10.22376/ijpbs.2019.10.1.p1-12
Volume 5 Issue 1
2014 (January - March)
ANTIBACTERIAL POTENTIAL OF SOME THAI MEDICINAL PLANTS
Ethanol and hexane extracts of twenty Thai medicinal plants, used in Thai traditional medicine for the treatment of infectious and septic diseases, were screened lessThan i greaterThan in vitro lessThan /i greaterThan for antibacterial activity against lessThan i greaterThan Bacillus cereus, lessThan /i greaterThan lessThan i greaterThan Escherichia coli lessThan /i greaterThan and lessThan i greaterThan Staphylococcus aureus, lessThan /i greaterThan using disc diffusion method. The ethanol extracts of lessThan i greaterThan Clerodendrum lessThan /i greaterThan lessThan i greaterThan inerme lessThan /i greaterThan (L.) Gaertn., lessThan i greaterThan Combretum qurdrangulare lessThan /i greaterThan L., lessThan i greaterThan Psidium guajava lessThan /i greaterThan Kurz., and lessThan i greaterThan Stephania lessThan /i greaterThan lessThan i greaterThan venosa lessThan /i greaterThan (Blume) Spreng. showed antibacterial activity against all three tested pathogens. Based on minimum inhibitory concentration (MIC) of these four medicinal plant extracts, the ethanol extract of lessThan i greaterThan C. inerme lessThan /i greaterThan demonstrated the highest antibacterial potency. The determination of MIC and minimum bactericidal concentration (MBC) of the extract using microdilution method showed that such extract had MICs for lessThan i greaterThan B. cereus lessThan /i greaterThan , lessThan i greaterThan E. lessThan /i greaterThan lessThan i greaterThan coli lessThan /i greaterThan , and lessThan i greaterThan S. aureus lessThan /i greaterThan of 0.039, 0.312 and 0.156 mg/ml, respectively; and MBCs for lessThan i greaterThan B. cereus lessThan /i greaterThan , lessThan i greaterThan E. lessThan /i greaterThan lessThan i greaterThan coli lessThan /i greaterThan , and lessThan i greaterThan S. aureus lessThan /i greaterThan of 0.039, 0.625 and
W. WUTITHAMAWECH , M. TANTIRUNGKIJ AND P. LIANGSAKUL
Antibacterial potential, Thai medicinal plants, Clerodendrum inerme, Antipathogenic activity
412-421