Does odour cross contamination alter olfactory thresholds in certain odours?

Gaskin, Julian A., Robinson, A. M., Philpott, Carl M. ORCID: https://orcid.org/0000-0002-1125-3236, Goodenough, P. C., Clark, A. ORCID: https://orcid.org/0000-0003-2965-8941 and Murty, G. E. (2008) Does odour cross contamination alter olfactory thresholds in certain odours? Rhinology, 46 (3). pp. 166-169. ISSN 0300-0729

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Abstract

Objectives: To determine if: 1) there is cross contamination between odours tested on thresholds achieved, 2) a delay period is necessary between testing different odours. Methods: Thirty-five subjects underwent threshold testing with phenethyl alcohol (PEA), ethylmercaptan (MER), acetic acid (ACE), and eucalyptol (EUC) using serial logarithmic dilutions. On separate occasions subjects were exposed to high concentrations of PEA, ACE and EUC in random order for two minutes, and thresholds for all four odours re-tested. Pre- and post-high concentration odour thresholds were compared. Results: Exposure to high concentrations of PEA, ACE and EUC does not alter olfactory thresholds by more than 10-2 for the other odours except in specific circumstances with ACE and EUC. Conclusions: There is limited cross contamination with ACE and EUC, which is avoided by specifying presentation order as: PEA, MER, ACE, EUC. Odours PEA, MER, ACE and EUC are recommended for olfactory testing.

Item Type: Article
Uncontrolled Keywords: adaptation,odours,olfactory test,olfactory thresholds,otorhinolaryngology ,/dk/atira/pure/subjectarea/asjc/2700/2733
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Groups > Epidemiology and Public Health
Faculty of Medicine and Health Sciences > Research Groups > Health Services and Primary Care
Faculty of Medicine and Health Sciences > Research Groups > Norwich Clinical Trials Unit
Faculty of Medicine and Health Sciences > Research Groups > Public Health and Health Services Research (former - to 2023)
Faculty of Medicine and Health Sciences > Research Groups > Respiratory and Airways Group
Faculty of Medicine and Health Sciences > Research Centres > Population Health
Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health
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Depositing User: LivePure Connector
Date Deposited: 11 Jul 2020 00:14
Last Modified: 25 Jun 2024 14:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/76021
DOI:

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