Figure 14. Typical microbial growth of gram-negative bacteria in the presence of commercially available disinfectants and antiseptics in culture. (A) Citrobacter koseri + ‘HiGeen Hand and Body Wash Gel’ at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + negative control, methanol; or positive control, ceftazidime (30 μg)), noting zones of inhibition. (B) Enterobacter cloacae + ‘WC Net Bleach Gel’. (C) Escherichia coli + ‘Colgate Plax Mouthwash’. (D) Escherichia coli ESBL + ‘HiGeen Hand and Body Wash Gel’. (E) Klebsiella pneumoniae + ‘Clorox Bleach Rain Clean’. (F) Proteus vulgaris + ‘Spartan Max WC Lavender’. (G) Pseudomonas aeruginosa + ‘WC Net Bleach Gel’ (Note the typical greenish color of P. aeruginosa). (H) Salmonella typhimurium + HiGeen Hand and Body Wash Gel’. (I) Shigella sonnei + Perio.Kin Chlorhexidina 0.20% Mouthwash’. The number of experimental observations is n = 3. DF = Dilution factor

From

The Immunomodulatory, Antimicrobial and Bactericidal Efficacy of Commonly Used Commercial Household Disinfectants, Sterilizers and Antiseptics in Vitro: Laboratory Assessment of Anti-Inflammatory Infection Control Mechanisms and Comparative Biochemical Analysis of the Microbial Growth of Gram-Negative Bacteria

Niveen M. Masri, Lama B. Hanbali, John J. Haddad

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