Evaluation of the Sporicidal Activity of Ethanol Extract of Arctium lappa Root against Bacillus cereus

Arezoo  Dabiri; Vajihe  Karbasizade

Zahedan Journal of Research in Medical Sciences

The Official Journal of Zahedan University of Medical Sciences

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Evaluation of the Sporicidal Activity of Ethanol Extract of Arctium lappa Root against Bacillus cereus

Author(s):

Arezoo Dabiri¹,

Vajihe Karbasizade^2,*

1Young Researchers and Elite Club, Falavarjan Branch, Islamic Azad University, Isfahan, Iran

2Department of Microbiology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran

Zahedan Journal of Research in Medical Sciences:Vol. 16, issue 10

Published online:Jun 29, 2013

Article type:Research Article

Received:Feb 09, 2013

Accepted:Mar 16, 2013

How to Cite:Arezoo DabiriVajihe KarbasizadeEvaluation of the Sporicidal Activity of Ethanol Extract of Arctium lappa Root against Bacillus cereus.Zahedan J Res Med Sci.16(10):null-null.

Abstract

Background: Bacillus cereus is one of the most common causes of food spoilage, keratitis, endophthalmitis, and panophthalmitis. These bacteria produce spores which are resistant to chemical and physical agents. Nowadays, the sporicidal properties of plants have been considered as alternatives to chemical sporicidal agents.

Materials and Methods: In this empirical-experimental study the effect of ethanol extract of edible burdock (Arctium lappa) root has been studied on Bacillus cereus spores. In this investigation, the suspensions of tested microorganisms were cultured in sporulating agar. Sporulation process was assessed by optical microscopy following the staining of spores. Then the produced spores were exposed to various concentrations (100, 150, 200, 250, 300 mg/mL) of ethanol extract of edible burdock (Arctium lappa) root and finally the remaining spores were counted. With increasing concentrations of ethanol extract, the number of spores declined.

Results: Pearson correlation showed inverse relation between the spores count and concentration of ethanol extract of edible burdock (Arctium lappa) root (r=-0.765, p<0.001). The most effective extract concentration was 300 mg /mL.

Conclusion: Ethanol extract of edible burdock (Arctium lappa) root, has sporicidal activity. Only, the sporicidal nature of ethanol extract has been evaluated by this study; therefore, the assessment of other extracts and essences is necessary.

Keywords

Edible Burdock (Arctium Lappa)

Bacillus Cereus

Sporicidal Activity

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