TABLE 2.

Antimicrobial activities of the two complexes of EC and the two solvents against different microorganismsa

Microorganism% of vital microorganisms after treatment with:
Complex 1DMSOComplex 2DIMEB
2 h24 h2 h24 h2 h24 h2 h24 h
Gram-positive bacteria
    Micrococcus luteus ATCC 9341100100100100100100100100
    Staphylococcus aureus ATCC 6538100100100100100100100100
    Streptococcus pyogenes ATCC 11434404851510066100100
    Streptococcus pyogenes ATCC 8668100101008010070100100
Gram-negative bacteria
    Escherichia coli HB101604865901008010092
    Proteus vulgaris N9100100100100100100100100
    Pseudomonas aeruginosa ATCC 1544295859590977210090
    Burkholderia cepacia ATCC 177593865559590100100
    Burkholderia cepacia 1/2000712459090100100
Yeast, Candida albicans 617822560709490
  • a EC was used at 100 μg/ml. DMSO was used as a solvent with EC complex 1, and DIMEB was used as a solvent with EC complex 2.