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Table 1 Minimum Inhibitory Concentration of H2O2 and carotenoid content of Staphylococcus aureus following different culture conditions

From: Assessment of the potential for resistance to antimicrobial violet-blue light in Staphylococcus aureus

Growth Conditions

Average Minimum Inhibitory Concentration of H2O2 (%) ± SD

Average Carotenoid Absorbance at 465 nm ± SD

Complete Darkness

0.00293 ± 0.00000

0.90 ± 0.22

White Lighting

0.00513 ± 0.00146

0.82 ± 0.24

Low irradiance (1 mW/cm2) 405 nm Light

0.01831 ± 0.01025*

0.17 ± 0.12*

  1. Differences in the minimum inhibitory concentration (MIC) of hydrogen peroxide (H2O2) and carotenoid content of methicillin-sensitive Staphylococcus aureus when cultivated in different lighting conditions. Data points represent the mean count (n = 3) ± SD
  2. *represents a significant change (P < 0.05)
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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