Map your genetic code with PTC (Phenylthiocarbamide) taste test strips. Discover if you carry the TAS2R38 taster gene and unlock the secret behind bitter food aversions.
PTC (Phenylthiocarbamide) taste test strips are the teaching standard for mapping the human TAS2R38 bitter taste gene. Individuals with dominant taster alleles will bind PTC to specific oral G-protein coupled receptors & trigger an intensely bitter gustatory response. Individuals with homozygous recessive genotypes lack the physical receptors required to bind the molecule will find the strip tasteless. This binary distinction provides an understanding of Mendelian inheritance and human allele variations.
| Genotype Profile | Phenotype Classification | Reaction to PTC Strip | Real-World Dietary Implications |
|---|---|---|---|
| PAV/PAV (Homozygous Dominant) |
Supertaster | Intensely, violently bitter flavor. | High aversion to coffee, IPA beers, kale, and dark chocolate. |
| PAV/AVI (Heterozygous) |
Medium Taster | Moderately bitter or mild chemical taste. | Can tolerate mild bitters; flavor preferences are easily influenced by conditioning. |
| AVI/AVI (Homozygous Recessive) |
Non-Taster | Completely tasteless, like normal paper. | Highly tolerant of bitter vegetables; frequently prefers strongly seasoned or spicy foods. |
| P/N | Description | QTY |
|---|---|---|
| 33814-TASTE | Taste Strip Combo-PTC, Na Benzoate, Thiorurea, Control | 1 |
Note (1): The number of strips per pack or vial is approximate.
Note (2): Keep out of sunlight.
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