Inactivation of Legionella pneumophila from Whirlpool Bath Waters by Grapefruit (Citrus paradisi) Seed Extract
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概要
- 論文の詳細を見る
We investigated the antibacterial effect of commercial grapefruit seed extract (GSE, Liquid), which has recently been attracting attention as a food additive, on <I>Legionella pneumophila</I>. The sensitivity test was performed using the disc method. All 25 strains tested were sensitive to GSE, and formed clear inhibition zones in its presence. The minimum inhibitory concentration (MIC) values were measured by the agar dilution method. The MIC of GSE in the strains was in the range of 98mg/l to 390mg/l, and the MIC<SUB>90</SUB> was 390mg/l. The minimum bactericidal concentration (MBC) values for the test strains were also determined. MBC<SUB>90</SUB> was 50, 000, 6, 300, and 3, 100mg/l when the exposure time was 1, 10, and 60 minutes, respectively. These bactericidal test results demonstrate that GSE has a bactericidal effect on <I>L. pneumophila</I>.
- 日本防菌防黴学会の論文
著者
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Fukuyama Masafumi
School Of Environmental Health Azabu University
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HARA MOTONOBU
School of Veterinary Medicine, Azabu University
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DOGASAKI CHIKAKU
School of Environmental Health zabu University
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FURUHATA KATSUNORI
School of Environmental Health
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DOGASAKI CHIKAKU
School of Environmental Health
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FUKUYAMA MASAFUMI
School of Environmental Health
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