Abstract
According to a survey in Japan, the number of all type of traffic accidents during traffic congestion is approximately 8 times greater than that of during usual traffic conditions. Particularly as regards the number of rear end collisions, it increases by a factor of 16. The purpose of this study was to improve drivers’ condition during traffic congestion by supplying aroma compounds to reduce traffic accidents. In this research, (R)-(-)-linalool which has a sedative effect was chosen as an aroma compound and the effect of it on the mental stress was analyzed. Electrocardiogram was employed and R-R Interval (RRI) was used as a stress index. Although there was individual difference, the sedative effect of (R)-(-)-linalool was shown.
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