Journal
MEAT SCIENCE
Volume 94, Issue 4, Pages 425-431Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2013.03.020
Keywords
Odor liking; Discrimination; Olfactory learning; Anosmia; Piglet castration
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Funding
- QS Qualitat und Sicherheit GmbH, Bonn (Germany)
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This study aimed to assess whether repeated exposure affects subjects' ability to detect androstenone. Olfactory acuity of 77 female and 44 male subjects (age 37.5 +/- 11.7 years) was assessed three times during six weeks. Replicate triangle tests using various dilutions of androstenone (0.5, 5.0, and 50.0 mu g/g) on filter paper smell strips were applied. Subjects were either assigned to a test group (TRAIN) using androstenone for daily training, or to a control group (CONTR) using a placebo. For the low, the intermediate, and the high level of androstenone presented, detection rate increased from 14.1 to 30.6%, 40.5 to 62.8%, and 653 to 78.5% respectively within 6 weeks from the initial assessment. Results suggest that mere exposure during repeated olfactory testing increased subjects' ability to correctly discriminate androstenone. The olfactory improvement was, however, more pronounced in the TRAIN group. Androstenone detection appears to be associated with its individual appreciation. (C) 2013 Elsevier Ltd. All rights reserved.
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