| Summary: | Article “Mokuiku” activities constitute d of forest walking, choppin wood and boafire were estimated to have suppressive effects on human stress, any evidences showing the suppressive effects were expected. We have assayed salivary cortisol, which expresses own stress levels and showed that it was suppressed in the mostly participants after the “Mokuiku” activities . Even after the exposure to the fragrance of Sakhalin spruce (Picea glehnii) essential oil, these suppressive effects were shown For the elimination of evil effects, the same exposure experiments were done by use of laboratory animals and similar results that the fragnance induced the relaxation of the animals were obtained. These results indicate that stress levels were suppressed by “Mokuiku” activities and the aroma of the forest and woods such as Japanese spruce plays important roles on the suppressive effects on the stress levels. 木育活動でストレスを低減される（唾液中コルチゾール低下) ことが分かった。 この効果は、北海道の森の香りを代表するアカエゾマツ Picea glehnii 精油 を用いた芳香暴露試験で、人のみでなく実験動物でも再現された。これまでの情報から、この精油の主成分であるボルニルアセテートが中心的役割を担うと考察した。 ファイルのタイトル: 「木育活動及びアカエゾマツ精油芳香暴露による唾液中ストレスホルモン（コルチゾール）の低減」 journal article
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