Samples were evaluated in booths under fluorescent light at room temperature. 10 g of the product sample were placed into plastic cups with lids coded with 3-digit random numbers. Four or five samples plus a warm-up sample were evaluated per evaluation session. Two test sessions were carried out per day, one in the morning (five samples) and other in the afternoon (four samples). Samples were tested using a randomized complete block design. Intensity rating lists of warm-up and references were posted in the booths for test sessions. Data were registered on paper ballots.