Bactericidal efficacies of food additive grade calcium hydroxide toward Legionella pneumophila

Bactericidal efficacies of food additive grade calcium hydroxide toward Legionella pneumophila

Food additive grade calcium hydroxide (FdCa(OH)2) in the solution of 0.17% was evaluated for its bactericidal efficacies toward Legionella pneumophila with or without sodium hypochlorite (NaOCl) at a concentration of 200 ppm total residual chlorine, at room temperature (RT) (25°C ± 2°C) and 42°C, ei...

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Veröffentlicht in:Journal of Veterinary Medical Science 2019, Vol.81(9), pp.1318-1325
Hauptverfasser: ALAM, Md. Shahin, TAKAHASHI, Satoru, ITO, Mariko, KOMURA, Miyuki, KABIR, Md. Humayun, SHOHAM, Dany, SAKAI, Kouji, SUZUKI, Masato, TAKEHARA, Kazuaki
Format: Artikel
Sprache:eng
Schlagworte:
Animals
bactericidal activity
Calcium
Calcium hydroxide
Calcium Hydroxide - pharmacology
Cattle
Chlorine
Disinfectants - pharmacology
Fetal calf serum
food additive grade calcium hydroxide (FdCa(OH)2
Food additives
Hot springs
Legionella pneumophila
Legionella pneumophila - drug effects
Legionnaires' disease bacterium
Public Health
Residual chlorine
Serum
Slaked lime
Sodium
Sodium hypochlorite
Sodium Hypochlorite - pharmacology
Spring water
synergistic effect
Temperature
Water
Water analysis
Water Purification - methods
Water sampling
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Zusammenfassung:Food additive grade calcium hydroxide (FdCa(OH)2) in the solution of 0.17% was evaluated for its bactericidal efficacies toward Legionella pneumophila with or without sodium hypochlorite (NaOCl) at a concentration of 200 ppm total residual chlorine, at room temperature (RT) (25°C ± 2°C) and 42°C, either with or without 5% fetal bovine serum (FBS). Besides, FdCa(OH)2 in different concentration solutions were prepared in field water samples (hot spring and bath tab water) and evaluated for their bactericidal efficacies at 42°C. FdCa(OH)2 (0.17%) inactivated the L. pneumophila to the undetectable level (
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.19-0098