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Text Description for Global Variation in Sensitivity to Bitter-Tasting Substances (PTC or PROP)

Population Median Prevalence (%) Mid-range: 25th–75th percentiles
Australian Aborigines 49 NA
India 32.8 20–43
Europe 27.9 24–32
North American non-Hispanic White 26.5 18–31
Europe—Lapps 17.6 8–29
Africa 16.3 7–24
North American non-Hispanic Black 15.5 NA
China 13.6 9–18
North American Indian/Eskimo 10.7 2–26
Central American or Caribbean 9.9 5–16

NA: Not available.

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References

  • SW Guo, DR Reed. The genetics of phenylthiocarbamide perception. Ann Hum Biol, 2001; 28(2):111–142.