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Ares G.,University of the Republic of Uruguay | Barreiro C.,University of the Republic of Uruguay | Deliza R.,EMBRAPA Brazilian Agricultural Research Corporation Labex Europe | Deliza R.,French National Institute for Agricultural Research | And 2 more authors.
Journal of Sensory Studies | Year: 2010

A study was carried out to identify consumers' previous expectations of chocolate milk desserts enriched with antioxidants and to determine if these expectations affected product perception. Seventy-five consumers participated in the study and were asked to complete a word association task before the evaluation. Then, consumers tried six milk desserts with different polyphenolic concentration, scored their overall liking and willingness to purchase and provided up to four words to describe each of the samples. Cluster analysis performed on consumer-elicited terms in the word association task allowed the identification of three consumer segments with different expectations and motivations toward chocolate milk desserts enriched with antioxidants. These groups also differed in their evaluation of the desserts when tasting them, showing different overall liking, willingness to purchase and sensory description of the samples. This suggests that consumers' prior expectations and motivations significantly affected their response when tasting the desserts. © 2010 Wiley Periodicals, Inc.


Ares G.,University of the Republic of Uruguay | Barreiro C.,University of the Republic of Uruguay | Deliza R.,EMBRAPA Brazilian Agricultural Research Corporation Labex Europe | Deliza R.,French National Institute for Agricultural Research | And 2 more authors.
Journal of Sensory Studies | Year: 2010

Check-all-that-apply (CATA) questions could be a simple alternative to get an insight on consumer perception of a food product. In the present work, CATA questions were used in the development of chocolate milk desserts. Nine chocolate milk desserts were formulated with different sugar and cacao concentration. A consumer study was performed with 70 people, who were asked to score their overall liking and to answer a CATAquestion that included 18 sensory and hedonic terms. Besides, the samples were evaluated by a trained assessors' panel. Highly significant differences were found in the frequencies in which CATA terms were used for describing the nine desserts, suggesting that this methodology was able to detect differences in consumer perception of the desserts. Sample configuration from consumers' CATA counts and trained assessors data were similar, suggesting a good agreement between both evaluations. © 2010 Wiley Periodicals, Inc.


Ares G.,University of the Republic of Uruguay | Deliza R.,EMBRAPA Brazilian Agricultural Research Corporation Labex Europe | Deliza R.,French National Institute for Agricultural Research
Food Quality and Preference | Year: 2010

Food packaging plays a major role in attracting consumer attention and generating sensory and hedonic expectations; which could affect their product perception and purchase decisions. In the present study word association and conjoint analysis were used to study the influence of package shape and colour on consumer expectations of milk desserts. Six images of milk dessert packages with different colour and shape were presented to 105 consumers, who were asked to complete a word association task and to score their expected liking and willingness to purchase the desserts. Both package shape and colour affected consumers expected liking scores and their sensory expectations regarding the desserts. Consumers associations were mainly related to sensory characteristics. Both methodologies provided an interesting insight on the consumer's expectations generated by the packages and could be useful in order to design packages which create appropriate expectations regarding the product. © 2010 Elsevier Ltd.


Ares G.,University of the Republic of Uruguay | Deliza R.,EMBRAPA Brazilian Agricultural Research Corporation Labex Europe | Deliza R.,French National Institute for Agricultural Research
Food Quality and Preference | Year: 2010

Identifying the package and label features that are most relevant for consumer might provide useful information for designing a food package that closely matches consumer needs and expectations. In the present work two groups of 100 milk dessert consumers were asked to elicit package and label features of milk desserts using word association and free listing. Both methodologies were useful, efficient and quick methods to determine package and label features most likely to influence consumer perception of milk desserts. Although some differences were found between them, results related to the design of milk dessert packages were similar and suggested that brand, package shape, colour, and the design of the label might be the most relevant features that should be taken into account during package design of this food product. Cluster analysis of participants enabled the identification of groups of consumers that might be driven by different package features when making their purchase decisions of milk desserts. © 2010 Elsevier Ltd.


Ares G.,University of the Republic of Uruguay | Besio M.,University of the Republic of Uruguay | Gimenez A.,University of the Republic of Uruguay | Deliza R.,Embrapa Brazilian Agricultural Research Corporation Labex Europe | Deliza R.,French National Institute for Agricultural Research
Appetite | Year: 2010

Consumers perceive functional foods as member of the particular food category to which they belong. In this context, apart from health and sensory characteristics, non-sensory factors such as packaging might have a key role on determining consumers' purchase decisions regarding functional foods. The aims of the present work were to study the influence of different package attributes on consumer willingness to purchase regular and functional chocolate milk desserts; and to assess if the influence of these attributes was affected by consumers' level of involvement with the product. A conjoint analysis task was carried out with 107 regular milk desserts consumers, who were asked to score their willingness to purchase of 16 milk dessert package concepts varying in five features of the package, and to complete a personal involvement inventory questionnaire. Consumers' level of involvement with the product affected their interest in the evaluated products and their reaction towards the considered conjoint variables, suggesting that it could be a useful segmentation tool during food development. Package colour and the presence of a picture on the label were the variables with the highest relative importance, regardless of consumers' involvement with the product. The importance of these variables was higher than the type of dessert indicating that packaging may play an important role in consumers' perception and purchase intention of functional foods. © 2010 Elsevier Ltd.

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