Skip to main content
. 2021 Jun 28;22(13):6950. doi: 10.3390/ijms22136950

Table 2.

Screening of the effect of the presence of selected samples of poly(l-lactide) on the inhibition of the growth of bacteria and fungi strains.

Poly(l-Lactide) Initiator Molar Ratio I:M Growth Inhibition Concentration (mg/mL)
Escherichia coli Pseudomonas aeruginosa Staphylococcus epidermidis Staphylococcus aureus Candida albicans Aspergillus brasiliensis
1 Tin (II) 2-ethylhexanoate 1:400 1
after 48 minimal		 10 >
not observed		 10 >
after 24, 48 h minimal		 10 >
after 24, 48 h minimal		 1
after 24, 48 h minimal		 10 >
not observed
2 Zn[(acac)(LPhe)H2O]
1:150		 0.1
after 24, 48 h total		 0.1
after 24 h average
0.01
after48 h minimal		 0.1
after 24, 48 h average		 0.1
after 24, 48 h average
0.01
after 48
minimal		 10 >
after 24, 48 h minimal		 0.1
after 24 h,48 h total
0.01
After 48 h minimal
3 Zn[(acac)(LPhe)H2O]
1:400		 1
after 24 h average
0.1
after 48 h average		 1
after 24 h total
0.1
after 48 h minimal		 0.1
after 24 h minimal
0.1
after 48 average		 0.1
after 24, 48 h average
0.01
after 24, 48 h not observed		 10 >
after 24, 48 h minimal		 1
after 48 h average
0.1
after 48 h minimal
4 Zn[(acac)(LTrp)H2O]
1:150		 10
after 24 h minimal
1
after 48 h average		 1
after 24 h average
10 >
after 48 h minimal		 0.1
after 24, 48 h average		 0.1
after 24 h average
10
after 48 minimal		 0.1
after 24 average
10
after 48 h minimal		 10 >
not observed
5 Zn[(acac)(LTrp)H2O]
1:400		 10
after 24 h minimal
1
after 48 h average		 10
after 24 h average
10 >
after 48 h minimal		 0.1
after 24 h, 48 h minimal 		0.1
after 24 h minimal
after 48 h not observed		 1
after 24 h minimal
after 48 h not observed		 10 >
not observed

Note: after 24 and 48 h—after 24 h and 48 h of incubation; minimal—decrease in the number of cells by no more than 50%; average—decrease in the number of cells from 50% to 90%; total—decrease in the number of cells by more than 99.9%, compared to the number of cells in the control sample.