Comparison of check-all-that-apply and intensity rating in orange juice and yogurt studies
Food Science and Biotechnology(2024)
Abstract
This study compared check-all-that-apply (CATA) and rating methods using simple flavor foods and determined the discrimination ability of two consumer-based methods. Orange juice (simple flavor and liquid) and yogurt (simple flavor and semi-solid) samples were used. Six samples with different flavors and textures were evaluated for each food group. One hundred twenty consumers participated in each food session. CATA and rating were performed in two visits at weekly intervals. Consumers in each session distinguished the sample characteristics, and similar results were obtained using the CATA and rating methods. Although the number of characteristics with a significant difference in the rating method was relatively higher than that of CATA, some attributes with low frequency and intensity values may not have a significant effect on sample discrimination. Therefore, the types of questionnaire should be selected considering the test objectives and how similar the samples were.
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Key words
CATA,Discrimination ability,Consumer test,Sensory characterization,Intensity,Threshold to check
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