Anti-microbial effects

Anti-microbial Effects

Benencia, F. (1999). Antiviral activity of sandalwood oil against Herpes simplex
viruses-1 and -2. Phytomedicine 6
(2), 119-23.
The study tested the antiviral activity of sandalwood oil, the essential oil of Santalum
album L against Herpes simplex virus type 1 (HSV-1) and 2 (HSV-2). Results
demonstrated dose-dependent effect of sandalwood oil in inhibiting the replication of
virus, and more significantly against HSV-1. The results also indicate a possible
chemopreventive action of sandalwood oil against carcinogenesis.

Buckle, J. (2007). Literature review: should nursing take aromatherapy more
seriously? British Journal of Nursing, 16,
(2), 116-120.
This article discusses the expansion of aromatherapy within the U.S. and follows 10 years
of developing protocol and policies that led to pilot studies on radiation burns, chemo-
induced nausea, slow-healing wounds, Alzheimers and end-of-life agitation. This article
outlines pilot studies, carried out in the U.S. by nurses, that subsequently led to the
integration of aromatherapy in hospitals.

Burt, S. A. (2003). Antibacterial activity of selected plant essential oils against
Escherichia coli O157:H7. Letters in Applied Microbiology 36
, 162-7.
The research studied the antibacterial properties of five essential oils (EO) on Escherichia
coli O157:H7. The results show that oregano and thyme EO have significant in vitro
colicidal and colistatic properties and are exhibited in a broad temperature range. The
effects were greatly improved by the addition of agar as stabilizer. Bay and clove bud EO
are shown less active in reducing the number of E.coli O157:H7.

Dryden, M., Dailly, S., Crouch, M. (2004). A randomized, controlled trial of tea tree
topical preparations versus a standard topical regimen for the clearance of MRSA
colonization. Journal of Hospital Infec, 56,
(4), 283-6.
A randomized, controlled study of 224 patients found tea tree to more effective at
clearing MRSA from the skin of 114 hospital patients than mupirocin (Bactroban). Tea
tree oil may be considered in regimens for eradication of methicillin-resistant
Staaphylococcus in hospitals.

Edris, A. (2007). Pharmaceutical and therapeutic potentials of essential oils and
their individual volatile constituents: A review. Phytotherapy Research 21,
Essential oils are widely used to prevent and treat human disease. This article outlines
their possible roles, which include antibacterial, antiviral, antioxidant and antidiabetic
agents, as well as their potential modes of action, including prevention and treatment of
cancer and cardiovascular diseases (including atherosclerosis and thrombosis). It also
discusses essential
2009 Regents of the University of Minnesota and Life Science Foundation. All rights reserved. This content was produced by the Center for Spirituality & Healing in collaboration with the Life Science Foundation for oils’ application as natural skin penetration enhancers for transdermal drug delivery and
their therapeutic properties with regard to aroma and massage therapy.

Hammer, K. A., Riley, T. V. (1999). Antimicrobial activity of essential oils and other
plant extracts. Journal of Applied Microbiology 86
, 985-90.
Hammer et al. investigated 52 plant oils and extracts for their antimicrobial
activity(1999). They found that the essential oils extracted from lemongrass, oregano and
bay inhibited all organisms at concentrations of <=2.0% (v/v). The study also found the
antimicrobial effect of thyme oil against C. albicans and E. coli at the lowest minimum
inhibitory concentration of 0.03% (v/v).

Hayashi, K., & Hayashi, T. (1994). Virucidal effects of the steam distilate from
Houttuynia cordata and its components on HSV-1, influenza virus, and HIV. Planta
Medica. 61
, 237-41.
The anti-inflammatory activities of the water extract of dried plants of Houttuynia cordata
was investigated by Hayashi et al (1994). The authors found the essential oils
(Saururaceae) to have direct inhibitory activity against herpes simplex virus type 1 (HSV-
1), influenza virus, and human immunodeficiency virus type 1 (HIV-1) without showing
cytotoxicity, although it was not shown to have direct impact against poliovirus and

Inouye, S., Yamaguchi, H. (2001). Antibacterial activity of essential oils and their
major constituents against respiratory tract pathogens by gaseous contact. Journal
of Antimicrobial Chemotherapy, 47,
The antibacterial activity of fourteen essential oils and their major constituents in the
gaseous state were evaluated against four different bacteria by Inouge and Yamaguchi
(2001). The authors found H. Influenzae to be most susceptible to most essential oils
examined. The research also indicated that the antibacterial action of essential oils was
most effective when at high vapour concentration for a short time.

Sherry, E., Warnke, P. H. (2001). Percutaneous treatment of chronic MRSA
osteomyelitis with a novel plant-derived antiseptic. BMC Surgery 1
The single case clinical report described the use of a polytoxinol (PT) antimicrobial, a
complex mixture whose major components are tea tree oil and eucalyptus to cure an
intractable methicillin-resistant Staphylococcus aureus (MRSA) infection of the lower
tibia in an adult male. The study introduced a cheap, simple technique as a possible
alternative to long-term systemic antibiotic therapy when administered percutaneously.

Takarada, R. et al. (2004). A comparison of the antibacterial efficacies of essential
oils against oral pathogens. Oral Microbiology and Immunology, 19,
This study showed that among the essential oils tested, manuka oil and tea tree oil in
particular had strong antibacterial activity against periodontopathic and cariogenic
bacteria. From a viewpoint of safety, these essential oils seem to be promising
antibacterial substances for oral care at concentration of 0.2% or lower, which had little
effect on human cells. Essential oil
2009 Regents of the University of Minnesota and Life Science Foundation. All rights reserved. This content was produced by the Center for Spirituality & Healing in collaboration with the Life Science Foundation for mouth washes may have an important place in reducing plaque, gingivitis and odor in the
oral home care routine.

Anti-microbial: Tea Tree Oil

Bassett, I. B., Pannowitz, D. L., & Barnetson, R. S. (1990). A comparative study of
tea-tree oil versus benzoylperoxide in the treatment of acne. Med J Aust, 153
(8), 455-

This single blinded randomized clinical trial evaluated the efficacy and skin tolerance of
5% tea-tree oil gel in treating mild to moderate acne comparing with 5% benzoyl
peroxide lotion. The results showed that both forms of treatment had a significant effect
in reducing the number of inflamed and non-inflamed lesions. It was observed that tea-
tree oil had fewer side effects, although the onset of action of tea-tree oil was slower.

Caelli, M., Porteous, J., Carlson, C. F., Heller, R., & Riley, T. V. (2001). Tea tree oil
as an alternative topical decolonization agent for methicillin-resistant
Staphylococcus Aureus. The International Journal of Aromatherapy 11(2).
published in The Journal of Hospital Infection (2000), 46, 236-237.]
In this pilot study, 30 adult patients infected or colonized with methicillin-resistant
Staphylococcus aureus (MRSA) were randomly assigned to receive a 4% tea tree oil
nasal ointment and 5% tea tree oil body wash and a standard 2% mupirocin nasal
ointment and the triclosan body wash. Tea tree oil products were found to perform better
than mupirocin and triclosan, although the number of patients was too small for the
difference to be statistically significant.

Gustafson, J. E., Chew, S., Markham, J., Bell, H.C., Wyllie, S. G., & Warmington, J.
R. (1988). Effects of tea tree oil on Escherichia coli. Letters in Applied Microbiology,
, 194-8.
The study documented the effect of tea tree oil (TTO) in stimulating autolysis in
exponential and stationary phase cells of Escherichia coli. Stationary phase cells
demonstrated less TTO-stimulated antolysis and also showed greater tolerance to TTO-
induced cell death, compared to exponentially grown cells.

Hammer, K. A., & Riley, T. V. (1998). In-vitro activity of essential oils, in particular
Melaleuca alternifolia (tea tree) oil and tea tree oil products, against Candida spp.
Journal of Antimicrobial Chemotherapy 42
, 591-5.
The study examined the in-vitro activity of a range of essential oils against the yeast
candida. The final concentrations of tea tree oil were obtained from the diluted products
in sterile distilled water after inoculation. A variety number of Candida isolates were
tested for sensitivity to tea tree oil by the methods of agar dilution and broth
microdilution. The study found the majority of tea tree oil tested possess anticandidal
properties in vitro and suggested that they may be useful in the topical treatment of
superficial candida infections.
2009 Regents of the University of Minnesota and Life Science Foundation. All rights reserved. This content was produced by the Center for Spirituality & Healing in collaboration with the Life Science Foundation for Jandourek, A. & Vazquez, J. (1998). Efficacy of melaleuca oral solution for the
treatment of fluconazole refractory oral candidiasis in AIDS patients. AIDS 12,
A single center, open-label clinical trial was conducted to evaluate the efficacy of
melaleuca solution derived from an Australian tea leaf. Two of the twelve AIDS patients
treated for candidiasis were cured and six improved at the 4-week evaluation and a
follow-up evaluation 2-4 weeks after the treatment stopped showed no clinical relapses in
the two patients cured. The results of the study indicate that malaleuca oral solution may
be used as an alternative regimen for AIDS patients with oropharyngeal candidiasis
refractory to flueconazole.
2009 Regents of the University of Minnesota and Life Science Foundation. All rights reserved. This content was produced by the Center for Spirituality & Healing in collaboration with the Life Science Foundation for


Microsoft word - farmaci biblio nia.doc

Drugs responsible for acute interstitial nephritis (AIN) Antimicrobial agents : Acyclovir, AMPICILLINab, Amoxicillin, Aztreonam, Carbenicillin, Cefaclor, Cefamandole, Cefazolin, Cephalexin, Cephaloridine, Cephalothin, Cephapirin, Cephradine, Cefixitin, Cefotetan, Cefotaxime, CIPROFLOXACIN, Cloxacillin, Colistin, Cotrimoxazoleb, Erythromycin, Ethambutol, Foscarnet, Gentamicin, Indinavir, Int

The ashwins

The Ashwins—Indra—the Vishwadevas1 The third hymn of Madhuchchhandas is again a hymn of the Soma sacrifice. It is composed, like the second before it, in movements of three stanzas, the first addressed to the Ashwins, the second to Indra, the third to the Vishwadevas, the fourth to the goddess Saraswati. In this hymn also we have in the closing movement, in the invocation to Saraswati, a passa

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