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Effects of Inhalation of Emissions from Cedar Timber on Psychological and Physiological Factors in an Indoor Environment

机译：吸入雪松木材排放物对室内环境中心理和生理因素的影响

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Components extracted from cedar timber have been reported to have stress-reducing effects in humans. If the positive effects of cedar timber in indoor environments are scientifically proven, an indoor environment that utilizes cedar timber may contribute to the improvement or promotion of well-being in humans. In this study, we evaluated the effects of inhaling emissions of volatile constituents from cedar timber (Cryptomeria japonica) on the psychological and physiological factors in indoor environments. A case-control study with a crossover design was conducted with 10 subjects occupying two rooms that were controlled for interior materials, indoor climate, and room size. Cedrol and β-eudesmol were specifically detected in the case room. However, no significant differences were observed in psychological and physiological factors. There was a significant loss in vigor in the control group from the time before entering the room to the time after leaving the room; however, this loss in vigor was not seen in the case group. Temperature conditions were higher than the indoor environmental standard in Japan but similar in the two groups. Our results showed a minor positive change in vigor among participants exposed to cedar timber for a short term. Inhalation of emissions of volatile constituents from cedar timber may have positive effects in humans; however, further research on their efficacy is needed.
机译：据报道，从雪松木材中提取的成分具有减轻人体压力的作用。如果雪松木材在室内环境中的积极作用得到科学证明，则利用雪松木材的室内环境可能有助于改善或促进人类的健康。在这项研究中，我们评估了吸入雪松木材（日本柳杉）中挥发性成分对室内环境中心理和生理因素的影响。进行了具有交叉设计的案例对照研究，研究对象是10名受试者，他们占据了两个房间，这些房间的内部材料，室内气候和房间大小均受到控制。在病房里专门检测到了雪松酚和β-香茅酚。然而，在心理和生理因素上没有观察到显着差异。从进入房间前到离开房间后，对照组的活力明显下降。但是，在病例组中未见这种活力下降。日本的温度条件高于室内环境标准，但两组相似。我们的结果表明，短期内接触雪松木材的参与者的活力有较小的积极变化。吸入雪松挥发性成分的排放可能对人类产生积极影响;但是，还需要进一步研究其功效。

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