Abstract:Many product optimization methods, known in general terms as preference mapping, have been described in the literature. However, a direct comparison of some of the different approaches (e.g., internal versus external mapping) has not been undertaken. This was attempted here by formulating strawberry yogurt prototypes according to an experimental design including three factors, investigating four approaches of optimization, comparing the sensory profiles of the ideal solutions and formulating the ideal solution… Show more
“…It also allows identification of the samples that were most accepted by the majority of the panelists and, considering the individuality of each tester, it characterizes groups with different preferences and consumption patterns. The Internal Preference Map is constructed with acceptance data generated from affective tests from a team of consumers (OLIVEIRA et al, 2004;LOVELY;MEULLENET,2009). …”
0.05) between themselves in terms of vitamin C content and total titratable acidity. As for appearance and aroma, there was no significant difference (p>0.05) between the samples, and as for flavor and overall impression, the most accepted samples were those with sucrose and sucralose. The internal preference mapping indicated that the most accepted samples were those with sucrose, sucralose, and neotame were. The highest frequency of positive purchase intent scores was observed for sucrose and sucralose.]]>
“…It also allows identification of the samples that were most accepted by the majority of the panelists and, considering the individuality of each tester, it characterizes groups with different preferences and consumption patterns. The Internal Preference Map is constructed with acceptance data generated from affective tests from a team of consumers (OLIVEIRA et al, 2004;LOVELY;MEULLENET,2009). …”
0.05) between themselves in terms of vitamin C content and total titratable acidity. As for appearance and aroma, there was no significant difference (p>0.05) between the samples, and as for flavor and overall impression, the most accepted samples were those with sucrose and sucralose. The internal preference mapping indicated that the most accepted samples were those with sucrose, sucralose, and neotame were. The highest frequency of positive purchase intent scores was observed for sucrose and sucralose.]]>
“…Van Trijp, Punter, Mickartz, and Kruithof (2007) gave positive arguments concerning the stability of the description of the ideal product obtained by different methodologies (PrefMap, JAR and IPM [presented as the variant method]). Lovely and Meullenet (2009) have shown that yoghurts synthesized on the bases of ideals obtained by JAR or estimated through PrefMap, EDIPM or LSA are similar, especially on attributes that drive liking. Moreover, the synthesized products were not significantly differently liked.…”
“…They also allow for greater insight into product perception and understanding without conducting extensive or inefficient testing, and may be constructed to account for composition and/ or cost requirements. Ideally, the optimized blends would be liked significantly more than the non-optimized wines, as found by Lovely and Meullenet (2009). Though scores did not indicate that type of result, other information was obtained through this design and analysis.…”
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