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Antimicrobial Activities of Extracts of Prunus mume by Sugar  

Ko, Myung-Soo (Department of Food Science and Biotechnology, Dongnam Health College)
Yang, Jong-Beom (Department of Food Science and Biotechnology, Dongnam Health College)
Publication Information
Food Science and Preservation / v.16, no.5, 2009 , pp. 759-764 More about this Journal
Abstract
The antimicrobial activities of extracts of Prunus mume by sugar against food poisoning bacteria, and the effects of heat and pH treatment on these antimicrobial activities, were investigated. The level of total solids, pH, and acidity of P. mume extracts were 55.08% (w/w), pH 3.1, and 1.52%, respectively. P. mume extracts showed the strongest antimicrobial activity against Vibrio parahaemolyticus, among the bacteria tested. P. mume extracts significantly inhibited the growth of V. parahaemolyticus, Bacillus cereus, and Staphylococcus aureus at levels of 1-2% (w/v) of extracts in media. The antimicrobial activities of P. mume extracts were neither affected by heating at $65-125^{\circ}C$ for 30 minutes, nor by neutralization of extract to pH 7.0.
Keywords
Prunus mume extracts; acidity; antimicrobial activity; food poisoning bacteria;
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Times Cited By KSCI : 1  (Citation Analysis)
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