Consumer perception of probiotic yogurt: Performance of check all that apply (CATA), projective mapping, sorting and intensity scale

Abstract The performance of check-all-that-apply (CATA), projective mapping, sorting and intensity scales was assessed for determining consumer perception of probiotic yogurts, two prototypes added with glucose oxidase, a potential oxygen scavenger and 04 commercial brands available in the Brazilian market. Each sensory methodology was tested by administrating the tests to 30 regular consumers of the product. Napping and CATA did not provide adequate discrimination of the samples while better results were noted for sorting and intensity scales, separating the yogurts containing glucose oxidase from the commercial probiotic yogurt. Sensory methodologies using consumer responses present potential options for the characterization of food matrices with multiple sensory sensations, such as probiotic yogurt.

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