Propolis contains up to 10% essential oils, more in quantity than most aromatic plants. This could explain why each time we smell propolis or air from the beehive, we experience a nice, relaxing sensation...
Therapeutic
Effects of Propolis Essential Oil on Anxiety of Restraint-Stressed Mice
Hum Exp Toxicol, 2012, February
Propolis
has a broad spectrum of biological activities; however, whether its essential
oils have neuroprotective effects is unknown.
In this
study, we found that propolis essential oil (PEO) could significantly reverse the
anxiety-like behavior of restraint-stressed mice, and has no effect on
locomotor activity. Furthermore, PEO significantly decreased the plasma levels
of cortisol (CORT), adrenocorticotropic hormone (ACTH) and malondialdehyde
(MDA), whereas it increased the activity of superoxide dismutase (SOD) in
restraint-stressed mice.
These
results strongly suggest that PEO has therapeutic effects on anxiety through
antagonizing the hyperfunction of hypothalamic–pituitary–adrenal (HPA) axis and
improving the ability of antioxidation in brain tissue.
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