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Tea Tree Oil - A Natural Antiseptic - Here's Why- |
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Efficacy -
Tea Tree Oil is a broad spectrum germicidal essential oil that has been extensively researched since first seriously 're-discovered' in 1923 by the leading New South Wales Government Chemist, Arthur Penfold - with results disclosing extensive antimicrobial activity – the ability to effectively inhibit or kill micro-organisms.
Tea Tree Oil achieves this by damaging the cell wall and the membrane of microbes, resulting in the subsequent destruction of the microbe.
Microbiological testing has established the Minimum Inhibitory Concentration ("MIC") of Tea Tree Oil required to inhibit the growth of numerous of micro-organisms is typically below (but not more than) 2%.
The typical MIC of Tea Tree Oil against the following microbes is:
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Gram Positive Bacteria Percentage
Streptococcus pyogenes: 1.0
Streptococcus agalactiae: 1.25
Propionibacterium acnes: 0.75
Staphylococcus epidermis: 0.5 -1.0
Streptococcus pneumoniae: 0.25
Beta haemolytic streptococcus: 0.5
Streptococcus faecalis: 1.0
Staphylococcus aureus: 0.5 -1.0 |
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Gram Negative Bacteria Percentage
Pseudomonas aeruginosa: 2.0
Escherichia coli: 0.5
Shigella sonnei: 0.5
Klebsiella pneumoniae: 1.0 - 2.0
Legionella spp.: 0.75 - 1.0
Citrobacter spp.: 0.5 - 1.0
Proteus mirabilis: 0.5 - 1.0 |
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