Nanosilver Biocidal Properties and Their Application in Disinfection of Hatchers in Poultry Processing Plants

Table 7

Results of the evaluation using the dilution-neutralisation method for suspension number 7.

Tested organism	Bacterial and fungal suspension tested ()	The number of viable bacteria and fungi (cfu/cm) in the studied mixture (Na) in time
		5 min	15 min	30 min	60 min
Escherichia coli ATCC	9.9 × 10^6	—	2.2 × 10^4	5.5 × 10^2	0.0
Pseudomonas aeruginosa ATCC	2.75 × 10^8	—	3.5 × 10^4	1.0 × 10^2	0.0
Salmonella enteritidis ATCC	2.05 × 10^7	1.1 × 10^5	1.0 × 10^2	0.0	0.0
Staphylococcus aureus ATCC	1.84 × 10^8	—	1.8 × 10^5	1.1 × 10^5	7.0 × 10^3
Candida albicans ATCC	9.31 × 10^5	2.0 × 10^3	2.0 × 10^2	0.0	0.0
Reduction of viable bacteria and fungus at the studied time
Escherichia coli ATCC		—	4.5 × 10^1	1.8 × 10^3	>10^5
Pseudomonas aeruginosa ATCC		—	8.0 × 10^2	2.8 × 10^5	>10^5
Salmonella enteritidis ATCC		2.0 × 10^1	2.1 × 10^4	>10^5	>10^5
Staphylococcus aureus ATCC		—	1.0 × 10^4	1.7 × 10^2	2.6 × 10^3
Candida albicans ATCC		4.7 × 10^1	4.7 × 10^2	>10^5	>10^5