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. 2022 Oct 13;27(20):6877. doi: 10.3390/molecules27206877

Table 9.

Antibacterial activity of Cajanus cajan.

Plant Part Solvent System Concentration of Extract Microorganism Agar Well Diffusion Method/
Agar Disc Diffusion Method		 Region Ref.
ZI (mm) MIC (mg/mL)
Leaves Methanol 6.25–200.00 µg/mL

  • Escherichia coli

  • Staphylococcus aureus

  • Bacillus subtilis

  • Salmonella typhi

  • 4.80–11.69

  • 0.66–8.52

  • 0.07–1.92

  • -

  • 6.25

  • 50.00

  • 200.00

  • -

 Nigeria [60]
Leaves Ethanol 6.25–200.00 µg/mL

  • Escherichia coli

  • Staphylococcus aureus

  • Bacillus subtilis

  • Salmonella typhi

  • 6.31–11.90

  • 2.28–7.46

  • 1.08

  • 4.00–9.85

  • 3.13

  • 100.00

  • 400.00

  • 12.50

 Nigeria [60]
Leaves Acetone 6.25–200.00 µg/mL

  • Escherichia coli

  • Staphylococcus aureus

  • Bacillus subtilis

  • Salmonella typhi

  • 1.80–10.25

  • 2.10–8.55

  • 1.23

  • 6.19–8.46

  • 12.50

  • 50.00

  • 400.00

  • 3.13

 Nigeria [60]
Leaves Hot water 6.25–200.00 µg/mL

  • Escherichia coli

  • Staphylococcus aureus

  • Bacillus subtilis

  • Salmonella typhi

  • 1.04

  • -

  • -

  • 1.04–2.09

  • 800.00

  • -

  • -

  • 200.00

 Nigeria [60]
Leaves Cold water 6.25–200.00 µg/mL

  • Escherichia coli

  • Staphylococcus aureus

  • Bacillus subtilis

  • Salmonella typhi

  • -

  • -

  • -

  • 3.69

  • -

  • -

  • -

  • 200.00

 Nigeria [60]
Leaves Petroleum ether 12.5–100 mg/mL

  • Bacillus subtilis

  • Staphylococcus aureus

  • Streptococcus pneumoniae

  • Salmonella typhi

  • Klebsiella pneumoniae

  • Escherichia coli

  • Pseudomonas aeruginosa

  • 11.5–13.0

  • 10.0–11.0

  • 08.0–11.5

  • 11.0–11.5

  • 10.0–13.5

  • 07.1–12.1

  • -

  • 6.25

  • 60

  • -

  • 70

  • 65

  • 12.5

  • -

 India [61]
Leaves Chloroform 12.5–100 mg/mL

  • Bacillus subtilis

  • Staphylococcus aureus

  • Streptococcus pneumoniae

  • Salmonella typhi

  • Klebsiella pneumoniae

  • Escherichia coli

  • Pseudomonas aeruginosa

  • 12.6–18.1

  • 12.6–15.0

  • 11.6–14.0

  • -

  • -

  • -

  • -

  • 6.25

  • 75.00

  • -

  • -

  • -

  • -

  • -

 India [61]
Leaves Methanol 12.5–100 mg/mL

  • Bacillus subtilis

  • Staphylococcus aureus

  • Streptococcus pneumoniae

  • Salmonella typhi

  • Klebsiella pneumoniae

  • Escherichia coli

  • Pseudomonas aeruginosa

  • 14.0–19.0

  • 15.0–20.0

  • 12.0–17.0

  • 08.0–12.0

  • 18.4–25.7

  • 10.4–16.0

  • -

  • 6.25

  • 6.25

  • -

  • 6.25

  • 3.125

  • 12.50

  • -

 India [61]
Leaves Ethanol 12.5–100 mg/mL

  • Bacillus subtilis

  • Staphylococcus aureus

  • Streptococcus pneumoniae

  • Salmonella typhi

  • Klebsiella pneumoniae

  • Escherichia coli

  • Pseudomonas aeruginosa

  • 16.0–22.1

  • 17.1–30.1

  • 14.1–22.1

  • 11.0–18.0

  • 22.0–25.5

  • 12.3–17.1

  • 10.5–13.4

  • 6.25

  • 3.125

  • -

  • 6.25

  • 70.00

  • 6.25

  • 50.00

 India [61]
Leaves Aqueous 12.5–100 mg/mL

  • Bacillus subtilis

  • Staphylococcus aureus

  • Streptococcus pneumoniae

  • Salmonella typhi

  • Klebsiella pneumoniae

  • Escherichia coli

  • Pseudomonas aeruginosa

  • 12.5–18.5

  • 11.0–16.3

  • 10.0–16.0

  • 10.0–15.1

  • 16.4–17.2

  • 13.6–16.6

  • -

  • 6.52

  • 6.25

  • -

  • 6.25

  • 6.25

  • 6.25

  • -

 India [61]
Leaves Methanol 40 mg/mL

  • Pseudomonas aeruginosa

  • 13

  • -

 Nigeria [62]

ZI: Zone of inhibition; MIC: Minimum inhibitory concentration; “-”: No zone of inhibition and MIC.