Consumer Sensory Detection of TCA in Wine

Estimating a ‘‘consumer rejection threshold’’ for cork taint in white wine -
John Prescott, Leslie Norris, Madeleine Kunst, Sandra Kim - "Food Quality and Preference"

Summary: Two consumer studies - one triangle test was designed to identify the detection level of TCA in white wine (2.1ppt) - the second was a sequential test designed to identifiy what concentration of TCA caused consumers to prefer the control over the spiked sample (3.1ppt).