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KMID : 0613820080180050668
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Journal of Life Science
2008 Volume.18 No. 5 p.668 ~ p.673
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Antibacterial Activities of Suaeda maritima Hot Water Extracts
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Moon Yonng-Gun
Jang Ik-Soo
Heo Moon-Soo
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Abstract
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To develop natural food preservatives, hot water extracts were prepared from the Suaeda maritima and antibacterial activities were examined against 12 microorganisms which were food borne pathogenic bacteria, food poisoning microorganisms and food-related bacteria. Hot water extracts exhibited antibacterial activities against 5 Gram positive and 7 Gram negative bacteria by agar diffusion method. The antibacterial activities and cell growth inhibition were investigated on each strain with the different concentrations of Suaeda maritima extracts. Antibacterial activities were detected in root, stem, fruit extracts of Suaeda maritima. However stem and fruit extracts showed weak antibacterial activity against the tested microorganisms. Root extracts showed the highest antibacterial activities against microorganisms tested, such as Bacillus cereus, Bacillus subtilis, Vibrio parahaemolyticus, and Staphylococcus aureus.
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KEYWORD
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Antibacterial activity, pathogenic bacteria, hot water extract, suaeda maritima
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