Tea Tree Essential Oil ~ A must have for every home
Lets examine the proof, and share with your friends and family.
After reading the studies, the only question remains ~ What will you be making with your Tea tree essential oil? :)
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Laboratory trials
Before registering a health-care antiseptic, the Food and Drug Administration of the USA requires a list of all the organisms that are killed by the antiseptic. Riley's team designed experiments to test the susceptibility of organisms to tea tree oil. They aimed to identify the minimum concentrations of oil that would inhibit growth or kill particular micro-organisms. They tested many micro-organisms including:
The team grew the organisms in several warm broths containing varying concentrations of tea tree oil for 24 hours. They found that the growth of most of the organisms was inhibited at an oil concentration of 0.25%v/v (volume/volume, ie 0.25ml of tea tree oil added to 99.75ml of broth). Most of the organisms died at 0.50% while an oil concentration of 3.0% was needed to kill the penicillin-resistant bacteria Pseudomonas aeruginosa. All of these findings have been published in international journals.
** referenced from http://www.powerhousemuseum.com/australia_innovates/research.php
Clinical Trials as reported in the Oxford Journals: All 66 isolates of Staphylococcus aureus tested were susceptible to the essential oil of Melaleuca alternifolia, or tea tree oil, in disc diffusion and modified broth microdilution methods. Of the isolates tested, 64 were methicillin-resistant S. aureus (MRSA) and 33 were mupirocin-resistant. The MIC and MBC for 60 Australian isolates were 0·25% and 0·50%, respectively. Comparable results were obtained by co-workers in Britain using similar methods. These in-vitro results suggest tea tree oil may be useful in the treatment of MRSA carriage. Time–kill studies of tea tree oils on clinical isolates J. Maya, C. H. Chana,b, A. Kinga,*, L. Williamsb and G. L. Frencha Abstract: Tea tree oil has recently emerged as an effective topical antimicrobial agent active against a wide range of organisms. Tea tree oil may have a clinical application in both the hospital and community, especially for clearance of methicillin-resistant Staphylococcus aureus (MRSA) carriage or as a hand disinfectant to prevent cross-infection with Gram-positive and Gramnegative epidemic organisms. Our study, based on the time–kill approach, determined the kill rate of tea tree oil against several multidrug-resistant organisms, including MRSA, glycopeptide-resistant enterococci, aminoglycoside-resistant klebsiellae, Pseudomonas aeruginosa and Stenotrophomonas maltophilia, and also against sensitive microorganisms. The study was performed with two chemically different tea tree oils. One was a standard oil and the other was Clone 88 extracted from a specially bred tree, which has been selected and bred for increased activity and decreased skin irritation. Our results confirm that the cloned oil had increased antimicrobial activity when compared with the standard oil. Most results indicated that the susceptibility pattern and Gram reaction of the organism did not influence the kill rate. A rapid killing time (less than 60 min) was achieved with both tea tree oils with most isolates, but MRSA was killed more slowly than other organisms. Citation from: http://jac.oxfordjournals.org/content/45/5/639.abstract © 2000 The British Society for Antimicrobial Chemotherapy Antibacterial activity of essential oils and their major constituents against respiratory tract pathogens by gaseous contact.Shigeharu Inouyea,*, Toshio Takizawab and Hideyo Yamaguchia +Author Affiliations The antibacterial activity of 14 essential oils and their major constituents in the gaseous state was evaluated against Haemophilus influenzae, Streptococcus pneumoniae, Streptococcus pyogenes andStaphylococcus aureus. For most essential oils examined, H. influenzaewas most susceptible, followed by S. pneumoniae and S. pyogenes, and then S. aureus. Penicillin-susceptible and -resistant S. pneumoniae were comparable in susceptibility. Escherichia coli, which was used as a control, showed least susceptibility. A minimal inhibitory dose (MID) was introduced as a measure of the vapour activity. Among 14 essential oils, cinnamon bark, lemongrass and thyme oils showed the lowest MID, followed by essential oils containing terpene alcohols as major constituents. The essential oils containing terpene ketone, ether and, in particular, hydrocarbon had high MIDs. The vapour activity on short exposure was comparable to that following overnight exposure, and rapid evaporation was more effective than slow evaporation of essential oils. The vapour concentration and absorption into agar of essential oils reached a maximum 1 or 2 h after rapid evaporation. These results indicate that the antibacterial action of essential oils was most effective when at high vapour concentration for a short time. Citation from: http://jac.oxfordjournals.org/content/47/5/565.abstract?sid=54e03c20-ddf6-4cd9-b0ab-9e9204e8ceee © 2001 The British Society for Antimicrobial Chemotherapy #frugal #DIYNaturally #AllNatural #SustainableLiving #EasyRecipes #EssentialOils #Homemade #HealthyLifestyles |
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