Natures 86

Lab Testing

BURN BACTERIA VS. LAB TEST RESULTS

The chart below reflects the range of bacteria isolated from burn wounds identified through numerous studies. Staphylococci aureus, Proteus mirabilis and streptococci were the commonest isolates. The other Gram negatives were P.aeruginosa (4.5%). Salmonella, E. coli and Klebsiella spp.

Liwimbi, Olive M., and Isaac O O Komolafe. “Epidemiology and Bacterial Colonization of Burn Injuries in Blantyre.” Malawi Medical Journal: The Journal of Medical Association of Malawi. The Medical Association of Malawi, Mar. 2007.

Independent laboratory tests were conducted on Staphylococci, Methicillin-resistant Staphylococcus aureus (MRSA), Proteus Mirabilis (gram negative bacilli), and Streptococci. The test results herein encompass over 85% of bacteria isolated from burn wounds identified through the studies. Our laboratory results reflect a >99.999% reduction rate of the bacteria in all samples within 24 hours. Moreover, 2 samples resulted in a reduction rate of >99.999% within 1 hour (see below for specifics).

Test Results (conducted in June 2016)
Streptococcus pyogenes:
10 minutes:
1.3 x 102 CFU/mL (2.11 Log10)
Percent Reduction: 96.3%
Log10 Reduction: 1.43
1 hour:
<5 CFU/mL (<0.70 Log10) Percent Reduction: >99.9
Log10 Reduction: >2.84

Proteus mirabilis:
10 minutes:
1.17 x 105 CFU/mL (5.07 Log10)
Percent Reduction: 87.7%
Log10 Reduction: 0.91
1 hour:
<5 CFU/mL (<0.70 Log10) Percent Reduction: >99.999%
Log10 Reduction: >5.28

Methicillin Resistant Staphylococcus aureus –MRSA (Healthcare Acquired Strain):
NOTE: The Healthcare Acquired (HA) strain represents 85% of MRSA acquired strains

10 minutes:
6.2 x 105 CFU/mL (5.79 Log10)
Percent Reduction: 67.5%
Log10 Reduction: 0.49
1 hour:
2.30 x 105 CFU/mL (5.36Log10)
Percent Reduction: 88.0%
Log10 Reduction: 0.92
3 hours:
5.9 x 104 CFU/mL (4.77 Log10)
Percent Reduction: 96.9%
Log10 Reduction: 1.51
24 hours:
<5 CFU/mL (<0.70 Log10) Percent Reduction: >99.999%
Log10 Reduction: >5.58

Staphylococcus aureus:
10 minutes:
5.7 x 105 CFU/mL (5.76 Log10)
Percent Reduction: No Reduction
Log10 Reduction: No Reduction
1 hour:
1.63 x 105 CFU/mL (5.21 Log10)
Percent Reduction: 69.0%
Log10 Reduction: 0.51
3 hours:
7.8 x 104 CFU/mL (4.89 Log10)
Percent Reduction: 85.1%
Log10 Reduction: 0.83
24 hours:
<5 CFU/mL (<0.70 Log10) Percent Reduction: >99.999%
Log10 Reduction: >5.02

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