article id 223,
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                        Research note
                    
        
                                    
                                    
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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.
                        
                
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                            Park,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            bjpark@faculty.chiba-u.jp
                                                                                          
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                            Morikawa,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            tm@nn.jp
                                                                                
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                            Ogata,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            to@nn.jp
                                                                                
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                            Washida,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            kw@nn.jp
                                                                                
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                            Iwamoto,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            mi@nn.jp
                                                                                
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                            Nakamura,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            hn@nn.jp
                                                                                
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                            Miyazaki,
                            Chiba University, Center for Environment, Health and Field Sciences, 277-0882 Kashiwa, Chiba, Japan
                                                        E-mail:
                                                            ym@nn.jp