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Odor descriptor survey of mixtures of odorants detected by narrowly tuned odorant receptors

Title
Odor descriptor survey of mixtures of odorants detected by narrowly tuned odorant receptors
Authors
Kim, Kyu BoKim, DokyeongLee, SeungheeKim, WoncheolRoh, YoojinKim, KwangsuChoe, JiyunMoon, Cheil
DGIST Authors
Kim, Kyu Bo; Kim, Dokyeong; Lee, Seunghee; Kim, Woncheol; Roh, Yoojin; Kim, Kwangsu; Choe, Jiyun; Moon, Cheil
Issue Date
2019-09
Citation
IBRO Reports, 6, S323
Type
Article
ISSN
2451-8301
Abstract
People are often exposed to complex scents rather than a single scent in their daily lives. Under normal circumstance, humans can distinguish scents out of two scents relatively well, but they have limitations in recognizing each single scent in the mixture of three or more scents. We here studied characteristics of human olfactory behaviors upon stimulations with either a single odorant or odorant mixtures containing the specific odorant. We examined whether elements of the olfactory behavior characteristics of the single odorant would be comparable to those of odorant mixtures containing the specific odorant. Since the odorant is detected by the odorant receptors (ORs), we chose three narrowly tuned ORs (i.e. highly specific to particular odorant(s)) and made an odorant mixture repertoire consisting of one to three odorants recognized by the specific odorant receptors. An evaluation of the scent of 50 human subjects was evaluated via a survey consisting of 146 descriptors responsive to olfactory behaviors. We built and analyzed a database based on results from the survey and found that there are significant olfactory cognitive differences between a single odorant and its odorant mixtures. Our finding will provide critical backgrounds for many applications in the fragrance industries.
URI
http://hdl.handle.net/20.500.11750/13170
DOI
10.1016/j.ibror.2019.07.998
Publisher
Elsevier
Related Researcher
  • Author Moon, Cheil Laboratory of Chemical Senses
  • Research Interests Brain convergent science based on chemical senses; olfaction; 감각신경계 기반 뇌융합과학; 후각 신경계
Files:
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Collection:
Department of Brain SciencesLaboratory of Chemical Senses1. Journal Articles


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