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Merck

Resistance of enterococci to heat and chemical agents.

Zentralblatt fur Hygiene und Umweltmedizin = International journal of hygiene and environmental medicine (1999-07-27)
P Renner, J Peters
要旨

Within the framework of the standardisation efforts on disinfectant testing on the European level the test germ Enterococcus hirae ATCC 10541 has been included for some time in the test requirements whereas the test strain Enterococcus faecium, which has frequently been used up to now, has been largely ignored. We compared the thermal and the chemical resistance of both test germ species. In the quantitative suspension test with active ingredients from the group of aldehydes, phenols, quaternaries and oxidizing agents with the exception of peracetic acid, no significant differences were determined between the two strains. In the case of the studies on thermal resistance at 65 degrees C and 68 degrees C, Enterococcus faecium ATCC 6057, by contrast, proved to be far more resistant than Enterococcus hirae ATCC 10541. According to these results, priority should be given to Enterococcus faecium over Enterococcus hirae as the test germ for chemical and also chemothermal disinfection.

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製品内容

Sigma-Aldrich
m-クレゾール, 99%
Sigma-Aldrich
ベンジルジメチルドデシルアンモニウムクロリド, ≥99.0% (AT)
Sigma-Aldrich
m-クレゾール, ≥98%, FG
Sigma-Aldrich
ベンジルドデシルジメチルアンモニウムブロミド
Sigma-Aldrich
ベンジルドデシルジメチルアンモニウムブロミド, ≥99.0% (AT)
Supelco
m-クレゾール, analytical standard
Sigma-Aldrich
m-クレゾール, SAJ first grade, ≥97.0%