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Table 2 Minimum inhibitory concentration (MIC) and Minimum bactericidal and fungicidal concentrations (MBC, MFC) of acthaside (μg/ml) from A. ataxacantha against microorganisms

From: Acthaside: a new chromone derivative from Acacia ataxacantha and its biological activities

  Minimum inhibitory concentrations (μg/ml)
Microorganismsa Gram (+) bacteria Gram (-) bacteria Yeast
S.a S.a.m.r S. ep E.f P.a C. a
Isolated compoundb 50 50 25 50 50 25
Gentamicin 0.39 0.39 0.78 0.39 0.78 Nt
Fluconazole Nt Nt Nt Nt Nt 0.78
Minimum bactericidal and fungicidal (μg/ml)
Isolated compoundb 50 50 25 50 50 25
Gentamicin 0.78 1.56 1.56 0.78 1.56 Nt
Fluconazole Nt Nt Nt Nt Nt 1.56
MIC index
Isolated compound 1 1 1 1 1 1
Gentamicin 2 4 2 2 2 Nt
Fluconazole Nt Nt Nt Nt Nt 2
  1. a S. a : Staphylococcus aureus; S.a.m.r : Staphylococcus aureus methicillin resitant; S.ep : Staphylococcus epidermidis; E. f: Enterococcus faecalis; P. a: Pseudomonas aeruginosa; C. a: Candida albicans. Nt not tested
  2. bisolated compound: 7-hydroxy-2-methyl-6-[β-galactopyranosyl-propyl]-4H-Chromen-4-one (acthaside)