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 (fĕn′əl-thī′ō-kär′bə-mīd′, -kär-băm′īd, fē′nəl-)
n. Abbr. PTC
A crystalline compound, C7H8N2S, that tastes intensely bitter to people with a specific dominant gene and is used to test for the presence of the gene. Also called phenylthiourea.


(ˌfɛn lˌθaɪ oʊˈkɑr bəˌmaɪd, -mɪd, -kɑrˈbæm aɪd, -ɪd, ˌfin-)

a crystalline, slightly water-soluble solid, C6H5NHCSNH2, that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.Abbr.: PTC Also called phen`yl•thi`o•u•re′a (-yʊˈri ə, -ˈyʊər i ə)
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References in periodicals archive ?
This study examined percentage of tasters and non tasters for phenylthiocarbamide (PTC) in 325 subjects of Hazara division in Khyber Pakhtun Khwa Province of Pakistan.
Nabhan postulates that this desire for chilli (hence the name of the book) is hard-wired, just like the taste for phenylthiocarbamide (PTC) and 6-n-propylthiouracil (PROP) (that only 'super-tasters' find excruciatingly bitter).
It was already known that people varied in their response to a bitter flavour chemical called phenylthiocarbamide, or PTC.