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KMID : 1098420090170050335
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Korean Journal of Medicinal Crop Science
2009 Volume.17 No. 5 p.335 ~ p.340
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Antimicrobial Activity of Methanol Extracts from Cudrania tricuspidata Bureau according to the Parts Harvested and Time
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Choi So-Ra
You Dong-Hyun
Kim Jong-Yeob
Park Chun-Bong
Kim Dae-Hyang
Ryu Jeong
Choi Dong-Geun
Park Hyun-Mi
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Abstract
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To evaluate the availability of Cudrania tricuspidata Bureau as a natural source of antimicrobials, the antimicrobial activity of methanol extracts of harvested parts was investigated using the paper disc diffusion method. The extracts from leaves and root bark had broad antimicrobial activity against various bacteria, including Bacillus subtilis, Bacillus cereus, Staphylococcus aureus, Streptococcus mutans, Listeria monocytogenes, Enterobacter aerogenes, Enterococcus faecalis, Salmonella choleraesuis subsp. choleraesuis, Vibrio vulnificus, and Pseudomonas aeruginosa and inhibited Bacillus cereus, Staphylococcus aureus, and Listeria monocytogenes, agents of food poisoning especially well. The extract from ripe fruit had a very high antimicrobial activity against Staphylococcus aureus with a 20.2 ㎜ of clear zone at 50 ㎎/mL sample concentration. These results indicated that Cudrania tricuspidata could be used as new source for developing natural antimicrobial agents.
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KEYWORD
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Antimicrobial Activity, Cudrania tricuspidata Bureau, Bacillus cereus, Listeria monocytogenes, Staphylococcus aureus
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