e to determine the difference between the taste of the paper and the PTC. n replace the control paper with the PTC paper. 1. Are you a PTC taster? If so, how did the PTC taste?
1) Yes, I am a PTC taster and the PTC tasted bitter.
2) Yes, I am a PTC taster and the PTC tasted sweet.
3) No, I am not a PTC taster.
4) Cannot be determined.
