Silva Fennica (Jan 2009)

Physiological effects of ingesting eucalyptus essential oil with milk casein peptide

  • Park, Bum-Jin,
  • Morikawa, Takeshi,
  • Ogata, Tomohiro,
  • Washida, Kenji,
  • Iwamoto, Mario,
  • Nakamura, Hirohiko,
  • Miyazaki, Yoshifumi

DOI
https://doi.org/10.14214/sf.223
Journal volume & issue
Vol. 43, no. 1

Abstract

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This study was conducted to clarify the effect of eucalyptus essential oil mixed with milk casein peptide food for human physiological relaxation. Fifteen male university students (21.2 ± 0.9 yr) participated in study as subjects. The subjects were given one of two types of experimental drink (peptide + eucalyptus flavor (Pep + EF), and peptide + grapefruit·orange flavor (Pep + G·O), each flavor contains natural essential oil). We measured the change in salivary cortisol concentration and POMS scores before and two hours after taking experimental drink. The results of a Type A behavior pattern test were used to classify subjects. The concentration of salivary cortisol decreased significantly two hours after taking Pep + EF. And Type B showed bigger change than Type A. In conclusion, the results show that eucalyptus essential oil has the effect of relaxation, and that the effects on Type A and Type B are different.