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Journal of Pharmacology and Toxicology
  Year: 2009 | Volume: 4 | Issue: 4 | Page No.: 173-177
DOI: 10.3923/jpt.2009.173.177
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Antimicrobial Activity of Curcuma longa Aqueous Extract

N. Niamsa and C. Sittiwet

Ethnopharmacological relevance of Curcuma longa (Zingiberaceae) is known in many countries. The root of it was widely used as food ingredient and remedy. The present study aim to evaluate the antimicrobial activity of C. longa aqueous extract. The antimicrobial test was screened using agar diffusion method. The Minimum Inhibitory Concentration (MIC) were determined using agar dilution and confirm with broth macrodilution methods, while the Minimum Bactericidal Concentration (MBC). The aqueous extract of C. longa exhibited antimicrobial activity against Escherichia coli ATCC 25922, Staphylococcus aureus ATCC25923, Krebsilla pneumoniae ATCC 10031 and Staphylococcus epidermidis ATCC 12228 (MIC = 4-16 g L-1; MBC = 16-32 g L-1). In conclusion, the C. longa aqueous extract exhibited good antimicrobial activity against some of tested bacteria at low concentration. The results provide promising information for the potential use of C. longa aqueous extract in the treatment of infection.
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How to cite this article:

N. Niamsa and C. Sittiwet, 2009. Antimicrobial Activity of Curcuma longa Aqueous Extract. Journal of Pharmacology and Toxicology, 4: 173-177.

DOI: 10.3923/jpt.2009.173.177






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