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. 2026 Feb 23;16:1702629. doi: 10.3389/fmicb.2025.1702629

Table 2.

The MIC in the presence of physiological salts and human serum against Escherichia coli (KCTC 1682) and Staphylococcus aureus (KCTC 1621).

Compounds Control NaCl
150 mM
KCl
4.5 mM
NH4Cl
4 microM
MgCl2
1 mM
CaCl2
2.5 mM
FeCl3
6 microM
Human serum
(25%)
Staphylococcus aureus (KCTC 1621)
di-Du-6 8 8 8 8 8 8 16 16
di-Lf-6 8 16 16 16 16 16 32 16
(di-Du-6) D 8 8 8 8 8 8 8 8
(di-Lf-6) D 8 8 8 8 8 8 8 8
Escherichia coli (KCTC 1682)
di-Du-6 16 16 16 16 16 16 16 16
di-Lf-6 16 16 16 16 16 16 16 32
(di-Du-6) D 8 8 8 16 8 8 16 8
(di-Lf-6) D 16 8 8 16 16 8 16 16

The control MICs were determined in the absence of salts or human serum.