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Saturday, April 12, 2008

Study Says: Benzalkonium Chloride: Most effective effective against Salmonella

Ceska Slov Farm, 2003 May, 52(3), 141 - 7
{Effect of disinfectants on surface hydrophobicity and mobility in Salmonella enterica serovar Typhimurium DT104}; Majtanova L et al.; The paper evaluated antibacterial efficacy of 12 disinfectants on the basis of quaternary ammonium compounds (KAZ) on the isolates of Salmonella enterica serovar Typhimurium of the definitive phage type 104 (DT104) . One isolate--5551/99--represented the multiresistant phenotype, resistant to ampicillin (A), chloramphenicol (C), streptomycin (S), and tetracycline (T) . The second isolate--577/99--was sensitive to all antibiotics tested . The present study further examined the capability of sub-MIC concentrations of disinfectants to intervene into surface hydrophobicity and motility of the strains tested . The results showed that all disinfectants under study exhibited high antibacterial activity . ..The most effective substances against strain 577/99 (S-type) were Benzalkonium chloride...

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