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Table 3 In vitro antibacterial activity of extracts of Z. leprieurii , Z. zanthoxyloides and acridone alkaloids

From: Aromatase and glycosyl transferase inhibiting acridone alkaloids from fruits of Cameroonian Zanthoxylumspecies

  MIC expressed in μg/mL
Compounds BS ML PA SA
1 >500 >500 500 >500
3 nt 125 125 nt
4 250 125 >500 250
7 250 500 >500 500
8 nt >500 250 nt
10 nt >500 250 nt
Kanamycin 0.53 4.16 62.5 6.94
Extracts     
Z. leprieurii >1000 250 1000 >1000
Z. zanthoxyloides >1000 500 >1000 >1000
  1. Gram-positive bacteria: BS = Bacillus subtilis MTCC121, ML = Micrococcus luteus MTCC2470 and SA = Staphylococcus aureus MTCC96, Gram-negative bacteria: PA = Pseudomonas aeruginosa MTCC741, nt = not tested. Kanamycin is the standard antibiotic.