植物由来の香りの人に対する効果(<特集>エコロジカルボラタイル-生き物を結びつける目に見えない絆)

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This article deals with the effects of olfactory stimulation with grapefruit oil, lavender oil and other essential oils on body funtions. It was observed that stimulation with scent of grapefruit oil activated the sympathetic nerve innervating the white adipose tissue, brown adipose tissue, adrenal gland and kidney, and inhibited the activity of vagal gastric nerve. It was further observed that scent of grapefruit oil increased lipolysis, heat production and blood pressure, and suppressed food intake and body weight increase. On the contrary, olfactory stimulation with lavender oil inhibited sympathetic nerve activity and facilitated vagal gastric nerve activity. Further, it suppressed lipolysis, heat production as well as blood pressure, and increased food intake and body weight. The effects of some other essential oils were also observed. Further more, it was observed that olfactory stimulation with scent of ginger, a Chinese medicine, caused an excitation in vagal outflow and a suppresstion in sympathetic outflow. It can be mentioned that these observations are able to give a physiological background to sudy the effects of scents of flowers and plants on human body functions through olfactory system.
2011-05-31