期刊
FOOD QUALITY AND PREFERENCE
卷 42, 期 -, 页码 130-138出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodqual.2015.01.016
关键词
Functional food; Latent class analysis; Heterogeneity; Protein; Elderly
资金
- Wageningen UR
- Dutch Ministry of Economic Affairs, Agriculture Innovation
- WASS Graduate School and Unilever Research and Development Vlaardingen
Elderly face an increased risk of nutritional deficiencies due to reduced appetites and increased nutritional needs. The development of appealing enriched functional foods holds a great potential for improving the nutritional status of this group of consumers. However, the elderly population is strongly heterogeneous, which poses a challenge to fulfilling their nutritional needs. Therefore, this study aimed to illustrate and examine the heterogeneity in elderly consumers' acceptance of carriers for enrichment. In an online survey, respondents (N = 303, M-age = 66.9) were asked to rate their willingness to trial purchase a set of carriers enriched with protein, that varied systematically in terms of healthiness (healthy vs. unhealthy), novelty (novel vs. traditional), and meal type (meal component vs. snack). Overall, respondents reported low willingness to purchase protein-enriched foods and indicated that they preferred to consume more protein-rich conventional foods, should they need to increase their protein intake. The identification of heterogeneity in carrier acceptance, especially regarding product novelty and meal type, suggested that there was room for improvement in product acceptance. Indeed, willingness to trial and repeat purchase protein-enriched carriers were considerably higher for product formats that were tailored to six subgroup of respondents. These findings underline the merits of taking heterogeneity into account when commercialising functional foods among elderly. Future studies may want to look into additional ways to reduce scepticism among elderly regarding the use of enriched food. (C) 2015 Elsevier Ltd. All rights reserved.
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