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. 2014 Sep 16;3(6):885–896. doi: 10.1002/mbo3.212

Table 4.

Minimum inhibitory concentration in the absence or presence of PAβN and natural products showing activity of natural products with different antibiotics and TPP against the drug-sensitive (ΔAcrB) strain of Escherichia coli

MIC (mg/L)
No drug PAβN (50 mg/L) Plumbagin (10 mg/L) NDGA (25 mg/L) Shikonin (256 mg/L)
Erythromycin 16 16 16 16 16
Chloramphenicol 1 1 1 1 1
Novobiocin 16 16 16 16 16
TPP 16 16 16 16 16
Tetracycline 0.5 0.5 0.5 0.5 0.5
Nalidixic acid 1 1 1 1 1