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Table 2 In Vitro antimicrobial activities of dicoumarols against different animal and plant pathogens

From: Synthesis, characterization, in vitro antimicrobial, and U2OS tumoricidal activities of different coumarin derivatives

Compounds Bacillus atrophaeus Bacillus subtilis Klebsiella pneumoniae Salmonella typhus Pseudomonas aeruginosa Escherichia coli Staphylococcus aureus Candida albican Agrobacterium tumefaciens Erwinia carotovora
  (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm)
1 25 22 --- --- 20 14 16 22 22 15
2 12 09 09 06 09 --- 16 12 10 10
3 26 22 --- --- 16 --- 09 15 20 ---
4 17 17 --- --- 18 12 __ 12 16 11
5 15 12 --- 11 15 10 13 30 20 ---
6 13 15 --- --- 18 --- 13 19 27 13
7 21 22 --- 12 18 12 11 20 24 17
8 16 20 11 --- 20 09 15 20 20 ---
9 21 21 12 10 19 19 09 21 20 15
10 22 25 --- --- 15 12 12 --- 28 11
11 23 22 15 12 21 21 10 21 20 15
12 15 15 --- 10 10 15 14 30 21 ---
Standard 25 26 29 42 36 38 34 16 15 26
  1. Gram positive bacteria: Bacillus atrophaeus, Bacillus subtilis, Staphylococcus aureus, standard used was erythromycin in 6 μM.
  2. Gram negative bacteria: Klebsiella pneumoniae, Salmonella typhus, Pseudomonas aeruginosa, Escherichia coli, Agrobacterium tumefaciens, Erwinia carotovora, standard used was ciprofloxacin in 6 μM.
  3. Fungal Strain: Candida albican, standard used was clothrimazol in 6 μM.