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Table 3 Minimal inhibitory concentration (MIC) of KR-12-pa, methylparaben, Scutellaria baicalensis extract, and melittin

From: NMR structure and bactericidal activity of KR-12 analog derived from human LL-37 as a potential cosmetic preservative

StrainMIC (μg/mL)
KR-12-paMethyl parabenScutellaria baicalensis extractMelittin
Gram-negative
Escherichia coli (KCTC 1682)1.6> 205> 2055.7
Salmonella typhimurium (KCTC 1926)1.6> 205> 2055.7
Pseudomonas aeruginosa (KCTC 1637)3.2> 205> 2055.7
Gram-positive
Staphylococcus aureus (KCTC 1621)3.2> 205> 2052.8
Bacillus subtilis (KCTC 3068)3.2> 205> 2055.7
Staphylococcus epidermidis (KCTC 1917)3.2> 205> 2055.7
Yeast
Candida glabrata (KCTC 7219)12.8> 205> 20522.4