Table 3.

Percentage reduction in the amount of microorganisms compared to the control sample for the tested nanosilver preparations.

Tested strain	Preparation number
	1		2		3		4		5		6		7		8
	Contact time [min]
	5	30	5	30	5	30	5	30	5	30	5	30	5	30	5	30
C. albicans ATCC	100	100	15	52	24	54	83	100	55	100	100	100	100	100	100	100
S. enteritidis ATCC	33	100	18	91	58	100	19	100	39	100	99	100	100	100	92	100
P. aeruginosa ATCC	86	94	74	44	79	54	70	98	67	95	93	100	99	99	99	100
S. aureus ATCC	40	60	1	5	70	52	−3	74	−8	56	70	92	82	95	79	93
E. coli ATCC	70	97	21	15	33	19	79	97	55	80	99	100	100	100	94	100