**Acknowledgements**

The essential oils of odors were supplied by Ryouichi Komaki of the Seisyo Aroma Institute, Kanagawa, Japan. We are grateful to Ryouichi Komaki, Masao Kubota, Satomi Kunieda, and Yuji Minematsu for their contributions (preparing, executing, and analysis the data) to the human feeding behavior experiment. This work was supported by JSPS KAKENHI (Grant Number 17 k00835 to T.Y.) and a grant for Project Research from Kio University.
