Journal
ASIAN PACIFIC JOURNAL OF TROPICAL MEDICINE
Volume 7, Issue -, Pages S435-S441Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.1016/S1995-7645(14)60271-6
Keywords
Bactericidal; Medicinal plants; Clinical origin; MIC and MBC
Funding
- CSIR
- Council of Scientific and Industrial Research (CSIR), Govt. of India [9/747 (0010)/2012-EMR1]
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Objective : To investigate the antibacterial effect of Curcuma longa (C. longa), Zingiber officinale (Z. officinale) and Tinospora cordifolia (T. cordifolia) against Staphylococcus aureus, Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coil, Bacillus subtilis and Proteus mirabilis of clinical origin. Methods: The antimicrobial efficacy of said medicinal plants and establishment of multidrug resistant character of these bacteria were carried out using disc diffusion, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) methods. Results: The results of MIC and MBC showed that these clinical bacterial isolates were phenotypically multidrug resistant against standard antibiotics (>500 mu g/mL). Compared to standard antibiotics. Curcuma longa, Zingiber officinale and Tinospora cordifolia were more effective in killing these microbes as evident from MIC and MBC values (5 to 125 mu g/mL). Moreover, Curcuma longa had highest antibacterial efficacy compared to Zingiber officinale and Tinospora cordifolia. Conclusion: The result thus obtained suggests that bioactive principles of these plants can be used particularly against these multidrug resistant bacteria of clinical origin.
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