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Eight-year-old survives rabies
NARA, Japan, Jan. 14 (UPI) -- Thyme oil is among six essential oils found to suppress inflammation, researchers in Japan say.
Study author Hiroyasu Inoue of Nara Women's University in Nara, Japan, says essential oils from clove, rose, eucalyptus, fennel and bergamot also suppress the inflammatory COX-2 enzyme, an enzyme responsible for inflammation and pain.
The study, published in the Journal of Lipid Research, suggests the anti-inflammatory effect of the six essential oils, which compares to the health benefits of the chemical resveratrol in red wine -- is due to the chemical carvacrol.
Inoue and colleagues screened a wide range of commercially available oils and identified the six that reduced COX-2 expression in cells by at least 25 percent. Of these, thyme oil proved the most active, reducing COX-2 levels by almost 75 percent.
When the major active agent found in the thyme oil -- carvacrol -- was used as pure extract, COX-2 levels decreased by more than 80 percent.
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