Using serial dilutions in the sorting test the taste thresholds for phenylthiocarbamide (PTC) were determined in Lapp populations in the region of Inari (Enare) in NE Finland and in unrelated Finns whose parents mainly came from the two northernmost Finnish counties, Lapland and Oulu (Uleåborg). A high frequency of non-tasters was noted among the highly related Skolt Lapp populations both at Sevettijärvi and Nellim, 28.3 and 29.7% respectively. The frequency of non-tasters among the Nellim Fisher Lapps was low, 10.5%, which is in good agreement with earlier measurements of taste sensitivity to PTC among Lapps.The frequency of non-tasters among the Finns was 22.1%. The frequency of PTC non-tasters among the Finns in North Finland seems to be lower than the figures reported by other authors for the Finns in South Finland. In all the populations studied a higher frequency of non-tasters and a lower average taste sensitivity for PTC were observed among males than among females. The Skolt males showed a marked reduction of the PTC taste sensitivity with age.

Keywords:
PTC taste sensitivity, Finnish Lapps, Population study
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© 1970 S. Karger AG, Basel
1970
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