J Korean Acad Adult Nurs.  2008 Oct;20(5):697-706.

Effects of Phytoncides Inhalation on Serum Cortisol Level and Life Stress of College Students

  • 1Department of Nursing, Kangwon National University, Korea.
  • 2Department of Emergency Medical Technician, Daejeon University, Korea. dchuhm@hanmail.net


PURPOSE: The purpose of this study was to identify the effects of the phytoncides on serum cortisol level, vital signs and life stress of college students.
This study was nonequivalent control group non-synchronized design. The subjects consisted of 60(control group: 28, experimental group: 32). The phytoncides mixed the pine(pinus sylvestris) oil with the cypress(cupressus sempervirens) oil in the same rate. In the experiment, it was put in an aroma-necklace bottle and inhaled 3 times per day(9AM, at noon, before going to bed) for 2 weeks. The data were analyzed by the SPSS version 12.0 program.
In the experimental group systolic BP(F=15.603, p=.000), diastolic BP(F=29.489, p=.000) and serum cortisol level(F=4.968, p=.000) were significantly decreased. CONCLUSION: The phytoncides inhalation is a partly help to reduce college students' life stress. The phytoncides is the incense of the familial tree. We recommended to examine what differences between the green shower and the phytoncides inhalation for the stress reduction.


Inhalation; College students; Vital signs; Life stress; Cortisol
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