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Stop And Smell The Flowers -- The Scent Really Can Soothe Stress

Date:
July 23, 2009
Source:
American Chemical Society
Summary:
Feeling stressed? Then try savoring the scent of lemon, mango, lavender or other fragrant plants. Scientists in Japan are reporting the first scientific evidence that inhaling certain fragrances alter gene activity and blood chemistry in ways that can reduce stress levels.

Rich lavender field in Provence, France. Scientists in Japan are reporting the first scientific evidence that inhaling certain fragrances alter gene activity and blood chemistry in ways that can reduce stress levels.
Credit: iStockphoto/Andreas Karelias

Feeling stressed? Then try savoring the scent of lemon, mango, lavender, or other fragrant plants. Scientists in Japan are reporting the first scientific evidence that inhaling certain fragrances alter gene activity and blood chemistry in ways that can reduce stress levels.

In the new study, Akio Nakamura and colleagues note that people have inhaled the scent of certain plants since ancient times to help reduce stress, fight inflammation and depression, and induce sleep. Aromatherapy, the use of fragrant plant oils to improve mood and health, has become a popular form of alternative medicine today. And linalool is one of the most widely used substances to soothe away emotional stress. Until now, however, linalool's exact effects on the body have been a deep mystery.

The scientists exposed lab rats to stressful conditions while inhaling and not inhaling linalool. Linalool returned stress-elevated levels of neutrophils and lymphocytes — key parts of the immune system — to near-normal levels. Inhaling linalool also reduced the activity of more than 100 genes that go into overdrive in stressful situations. The findings could form the basis of new blood tests for identifying fragrances that can soothe stress, the researchers say.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Nakamura et al. Stress Repression in Restrained Rats by (R)-(-)-Linalool Inhalation and Gene Expression Profiling of Their Whole Blood Cells. Journal of Agricultural and Food Chemistry, 2009; 57 (12): 5480 DOI: 10.1021/jf900420g

Cite This Page:

American Chemical Society. "Stop And Smell The Flowers -- The Scent Really Can Soothe Stress." ScienceDaily. ScienceDaily, 23 July 2009. <www.sciencedaily.com/releases/2009/07/090722110901.htm>.
American Chemical Society. (2009, July 23). Stop And Smell The Flowers -- The Scent Really Can Soothe Stress. ScienceDaily. Retrieved September 16, 2014 from www.sciencedaily.com/releases/2009/07/090722110901.htm
American Chemical Society. "Stop And Smell The Flowers -- The Scent Really Can Soothe Stress." ScienceDaily. www.sciencedaily.com/releases/2009/07/090722110901.htm (accessed September 16, 2014).

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