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Anti-bacterial Effect of Oenothera lamarckiana Aerial Part Extract

Biomedical Science Letters 2020년 26권 4호 p.383 ~ 388
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Abstract


Ingestion of food contaminated with microorganism, if not always, could lead to severe health problem. Preservatives has been added to food to prevent food from being contaminated with microorganism. But, these have potential to threaten the health. Therefore, much effort has been taken to find the safe materials showing the anti-microbial activity. In this study, we investigated the anti-bacterial activity of Oenothera lamarckiana aerial part extract against eight bacteria strain. In paper disc assay, extract inhibited the growth of Staphylococcus aureus, Methicillin-resistant S. aureus, Bacillus cereus and Shigella dysenteriae at 200 μg/disc, but not against Escherichia coli, E. coli O157:H7, Salmonella Typhi and S. enteritidis. Minimum inhibitory concentration (MIC) against Staphylococcus aureus, Methicillin-resistant S. aureus, Bacillus cereus and Shigella dysenteriae is 250, 250, 500 and 500 μg/mL, respectively. Compared with reported MIC of other plant resources, O. lamarckiana aerial part extract showed the relatively high anti-bacterial activity. O. lamarckiana aerial part could be suitable for the preservative development. But, it still remains to be studied to evaluate safety and so on.

키워드

Oenothera lamarckianal; Anti-bacterial activity; Staphylococcus aureus; Minimum inhibitory concentration

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