EFFECTS OF DIFFERENT LIGHTING ON THE AMOUNT OF SALIVA AND TASTE THRESHOLD IN JAPANESE AND CHINESE

• JIN Xinqin

  Graduate school of science and Technology, Chiba University

• KATSUURA Tetsuo

  Faculty of Engineering, Chiba University

• IWANAGA Koichi

  Graduate school of science and Technology, Chiba University

• SHIMOMURA Yoshihiro

  Faculty of Engineering, Chiba University

• INOUE Manabu

  Research & Development Center, Lighting Company, Matsushita Electric Works, Ltd

Bibliographic Information

Other Title

• 異なる照明が日本人と中国人の唾液量と味覚閾値に及ぼす影響

Abstract

This study measured and analyzed the amount of saliva and the taste threshold in response to lighting conditions (illuminance and color temperature) in different ethnic groups. Ten Japanese and ten Chinese healthy non-smoking male college students participated in the study. According to the results of repeated-measure ANOVA, the effect of illumination on the amount of saliva was significant in the Japanese students, and the Chinese students showed same tendencies regarding their saliva response, but not significant. On the other hand, the effect of illuminance on the taste threshold was considered significant in both these groups. Regarding the effect of color temperature, this study found significant changes in taste threshold only for Chinese. It is interesting to note that significant differences in the taste threshold regarding a salty taste were seen between the subject groups. The results of the present study indicated that the lighting condition could be considered an important parameter of taste sensation.

Journal

• Japanese Journal of Physiological Anthropology

  Japanese Journal of Physiological Anthropology 10 (1), 9-16, 2005

  Japan Society of Physiological Anthropology

Keywords

• illuminance
• color temperature
• amount of saliva
• threshold of taste

Details

• CRID: 1390282679431208448
• NII Article ID: 110002558287
• NII Book ID: AN1052804X
• DOI: 10.20718/jjpa.10.1_9
• ISSN: 24320986
• ISSN: 13423215
• Web Site: https://search.jamas.or.jp/link/ui/2005138356
• Text Lang: ja
• Data Source:
  • JaLC
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed