Antimicrobial activity of Sapindus mukorossi and Rheum emodi extracts against H pylori: In vitro and in vivo studies.
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Journal: 2007/March - World Journal of Gastroenterology
ISSN: 1007-9327
PUBMED: 17131475
Abstract:
OBJECTIVE
to evaluate the antibacterial activity of Sapindus mukorossi (S. mukorossi) and Rheum emodi (R. emodi).
METHODS
Powders of S. mukorossi and R. emodi were extracted successively with petroleum ether, benzene, chloroform and ethanol and were concentrated in vacuum. The disk diffusion method was used for in vitro studies and in vivo studies were performed on male Wister rats. Thirty resistant clinical isolates of H pylori, as determined by their antibiotic sensitivity patterns by E-test, along with two Gram +ve (S. aureus, B. subtilis) and two Gram -ve (E. coli, P. vugaris) organisms were screened for their susceptibility patterns against these extracts.
RESULTS
In our screening, all 30 resistant isolates and the other four organisms (two Gram +ve S. aureus, B. subtilis and two Gram -ve, E. coli, P. vugaris) were sensitive to the test compounds. It was found that ethanol and chloroform extracts of S. mukorossi and ethanol and benzene extracts of R. emodi inhibited H pylori at very low concentrations. In the in vitro study, the isolates showed a considerable zone of inhibition at very low concentrations (10 mug/mL) for both the extracts. In the in vivo study, the H pylori infection was cleared with minimal doses of extracts of S. mukorossi (2.5 mg/mL) and R. emodi (3.0 mg/mL) given orally for seven days.
CONCLUSIONS
We can conclude from this study that the extracts of S. mukorossi and R. emodi inhibited the growth of pylori in vitro and, in in vivo studies, the H pylori infection cleared within seven days at very low concentrations. We also found that H pylori did not acquire resistance against these herbal extracts even after 10 consecutive passages.
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World J Gastroenterol 12(44): 7136-7142
PMID: 17131475

Antimicrobial activity of <em>Sapindus mukorossi</em> and <em>Rheum emodi</em> extracts against <em>H pylori</em>: <em>In vitro</em> and <em>in vivo</em> studies

Mohammed Ibrahim, Aleem A Khan, Santosh K Tiwari, Mohammed Aejaz Habeeb, MN Khaja, CM Habibullah, Centre for Liver Research and Diagnostics, Deccan college of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad, India
Correspondence to: CM Habibullah, Centre for Liver Research &amp; Diagnostics, Deccan college of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad 500064, India. moc.liamffider@ecc_miharbi

Telephone: +91-40-24342954 Fax: +91-40-24342954

Mohammed Ibrahim, Aleem A Khan, Santosh K Tiwari, Mohammed Aejaz Habeeb, MN Khaja, CM Habibullah, Centre for Liver Research and Diagnostics, Deccan college of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad, India
Correspondence to: CM Habibullah, Centre for Liver Research &amp; Diagnostics, Deccan college of Medical Sciences and Allied Hospitals, Kanchanbagh, Hyderabad 500064, India. moc.liamffider@ecc_miharbi

Telephone: +91-40-24342954 Fax: +91-40-24342954

Received 2006 Jun 15; Revised 2006 Jun 28; Accepted 2006 Sep 1.
Copyright ©2006 Baishideng Publishing Group Co., Limited. All rights reserved.

Abstract

AIM: To evaluate the antibacterial activity of Sapindus mukorossi (S. mukorossi) and Rheum emodi (R. emodi).

METHODS: Powders of S. mukorossi and R. emodi were extracted successively with petroleum ether, benzene, chloroform and ethanol and were concentrated in vacuum. The disk diffusion method was used for in vitro studies and in vivo studies were performed on male Wister rats. Thirty resistant clinical isolates of H pylori, as determined by their antibiotic sensitivity patterns by E-test, along with two Gram +ve (S. aureus, B. subtilis) and two Gram -ve (E. coli, P. vugaris) organisms were screened for their susceptibility patterns against these extracts.

RESULTS: In our screening, all 30 resistant isolates and the other four organisms (two Gram +ve S. aureus, B. subtilis and two Gram -ve, E. coli, P. vugaris) were sensitive to the test compounds. It was found that ethanol and chloroform extracts of S. mukorossi and ethanol and benzene extracts of R. emodi inhibited H pylori at very low concentrations. In the in vitro study, the isolates showed a considerable zone of inhibition at very low concentrations (10 μg/mL) for both the extracts. In the in vivo study, the H pylori infection was cleared with minimal doses of extracts of S. mukorossi (2.5 mg/mL) and R. emodi (3.0 mg/mL) given orally for seven days.

CONCLUSION: We can conclude from this study that the extracts of S. mukorossi and R. emodi inhibited the growth of pylori in vitro and, in in vivo studies, the H pylori infection cleared within seven days at very low concentrations. We also found that H pylori did not acquire resistance against these herbal extracts even after 10 consecutive passages.

Keywords: H pylori, Sapindus mukorossi, Rheum emodi
Abstract

Footnotes

S- Editor Liu Y L- Editor Lutze M E- Editor Liu WF

Footnotes

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