Chemical Compound Found in Essential Oils Improves Wound Healing

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Chemical compound found in essential oils improves wound healing

IU scientists also reported that skin tissue treated with the chemical compound, beta-carophyllene -- which is found in lavender, rosemary and ylang ylang, as well as various herbs and spices such as black pepper -- showed increased cell growth and cell migration critical to wound healing. They also observed increased gene expression of hair follicle stem cells in the treated tissue. The scientists did not find any involvement of the olfactory system in the wound healing.

Their research was published Dec. 16 in the journal PLOS ONE.

"This is the first finding at the chemical-compound level showing improved wound healing in addition to changes in gene expression in the skin," said Sachiko Koyama, corresponding author on the paper, who, at the time of this research, was an associate scientist at the IU School of Medicine and is currently a visiting scientist in the IU College of Arts and Sciences' Department of Biology. "The way gene expression changed also suggests not only improved wound healing but also the possibility of less scar formation and a more full recovery.

"It's an example that essential oils work; however, it's not through our sense of smell."

Essential oils are natural, concentrated oils extracted from plants. Their use by humans dates back to ancient Egypt, but the scented oils have experienced a resurgence in popularity in the U.S. over the past few years, with many people using them for aromatherapy.

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