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KMID : 1134820070360101235
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Journal of the Korean Society of Food Science and Nutrition
2007 Volume.36 No. 10 p.1235 ~ p.1240
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Antioxidative and Antimicrobial Activities of Medicinal Plant Extracts for Screening Phytobiotic Material
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Jung Hee-Kyoung
Park Seung-Chun
Hong Joo-Heon
Kim Young-Jin
Park Byung-Kwon
Jeong Yoo-Seok
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Abstract
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For this study, plant material for development of phytobiotics (feed additives made with plant extract) was screened. Among hot-water extracts of 9 medicinal plants, Fallopia japonica showed the highest antioxidative activity; the electron donating ability (EDA) and nitrite scavenging ability were 86.9% and 92.7%, respectively. Also, F. japonica had the antimicrobial activity for Pseudomonas aeruginosa, Escherichia coli, Bacillus cereus, Salmonella Typhimurium, Listeria monocytogenes, Klebsiella pneumoniae, Staphylococcus aureus. Specially, antimicrobial activity of F. japonica against K. pneumoniae, and S. aureus was very strong. IC50 of F. japonica against K. pneumoniae, and S. aureus was 6.24 ㎎/mL and 1.8 ㎎/mL respectively. These results suggested that F. japonica was a candidate for a phytobiotic material.
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KEYWORD
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phytobiotic, medicinal plants, antioxidative, antimicrobial activity
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