Skatole and androstenone are the main boar taint compounds. Whereas nearly everybody is sensitive to skatole, the sensitivity to androstenone is genetically determined and differs between countries. In this study the methodology for testing androstenone sensitivity was refined and applied to 1569 consumers that were approached at six shopping malls in Flanders. Participants were asked to smell the contents of four bottles (three were filled with water and one with androstenone solved in water) and to identify and describe the odour of the strongest smelling bottle. This test was performed twice. 45.3% of the respondents were classified as sensitive to androstenone (i.e. the percentage of participants that identified the correct bottle in both tests minus a guess correction). Sensitivity differed between sexes (men: 38.3%-women: 51.1%, P<0.001), according to age (older people were less sensitive, P<0.001), and between the test locations (P<0.001), but not between smokers versus non-smokers.
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