Aromatherapy vs MRSA: Antimicrobial essential oils to combat bacterial infection, including the superbug
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Addressing the challenge of serious infection, especially MRSA, in hospitals, in the community, and in animals, Maggie Tisserand focuses on the scientifically proven effects of antibacterial essential oils, and their usefulness in managing infection, including the 'superbug'. She profiles the key essential oils - tea tree, manuka and thyme - covering everything from habitat, chemistry and commercial uses to the latest scientific research that proves their effectiveness against bacterial infection, and how they should be used. She also includes information about other methods that have been shown to help with the management of acute infection, including allicin from garlic, silver, manuka honey and phage therapy.
Breaking new ground in the field of essential oils, this scientifically based but accessible book will be essential reading for aromatherapists, health professionals and everyone interested in effective ways in which to combat infection and stay healthy. With the increase in antibiotic-resistant bacteria and the danger of bacteria staying alive on surfaces and clothing, it is in the interests of every therapist and practitioner to be aware of these threats and instigate preventative measures.
was completely clear of MRSA, and it was spring 2005 before his leg was healed. Because the amputation was above the knee he found it too painful to walk with prosthetic devices and relies on a wheelchair for his mobility. Nancy’s story Nancy is a woman in her 60s living in Florida. In January 2006, she was fit and healthy. During a visit to her daughter in Ohio her hands began to swell. She went to the Emergency Room of the local hospital where she was given steroid injections, but she became
standard methods. One of the commonest methods employed in the laboratory is the zone of inhibition (ZOI) test. This is a very quick and easy method where a standard number of micro-organisms (about 1 million bacterial cells per millilitre) are applied to the surface of an agar plate which allows bacteria to grow. A measured amount of essential oil is added either to a paper disk or to a ‘well’ bored into the agar. The components in the oil will diffuse into the culture medium and a circular zone
had very low concentrations of the essential oils added. When a higher concentration has been used no growth is observed. However, sometimes when essential oils are diluted into the aqueous culture medium, the essential oil does not disperse fully and creates an ‘emulsion’ or ‘sol’, creating a false turbidity. Occasionally the essential oil ‘floats’ on the surface of the aqueous medium. A surfactant (e.g. Tween 20: 0.5%) can be added to the aqueous medium to help with the dispersion of the
including Staphylococcus aureus, where zone of inhibition tests were carried out using a nanocrystalline silver and a commercially available silver dressing. The objective was to determine the antimicrobial activity of silver-containing dressings on wounds affected by biofilm. Results varied between dressings and microbes, with zone of inhibition for the Staphylococcus aureus being 2.6mm to 6mm. Further research in 2007,16 looked at whether there was any danger of silver, when utilised as a wound
needed. 125 Appendix II Reasons for Antibiotic Resistance Some of the following are now considered history. Others are still very current. No control over the sale of penicillin when first available When penicillin was first manufactured in the USA in 1944, it was not a prescription drug, and continued to be available without a doctor’s advice until the mid-1950s. It was marketed as a miracle cure and sold throughout the US in over the counter products such as creams, lotions and throat