Journal
FOOD QUALITY AND PREFERENCE
Volume 21, Issue 4, Pages 361-367Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodqual.2009.09.002
Keywords
Functional foods; Choice-based conjoint; Conjoint analysis; Fibre; Antioxidants; Consumer studies
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Funding
- Sensory Science Scholarship Fund
- GlaxoSmithKline
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To better understanding the consumer choice of functional foods, a choice-based conjoint study was carried out to investigate the influence of three non-sensory factors on consumer choice of functional yogurts over regular ones. Four attributes were considered in the conjoint study: type of yogurt (regular, enriched with antioxidants and enriched with fibre), brand (national familiar, national unfamiliar, and foreign familiar), price (low, regular and high) and claim (with and without 'reduced disease risk' health claim). Eighteen choice sets, each composed of three stimuli (regular yogurt, enriched with antioxidants and enriched with fibre and varying the brand, price and claim levels) were evaluated by 103 consumers. For each choice set, consumers had to indicate which yogurt would normally buy. A questionnaire on consumer attitude towards health and nutrition was answered by participants after the choice task. Brand, price and health claims highly significantly affected consumer choice of functional yogurts. The relative importance of brand was similar to that of type of yogurt. Therefore, results suggested that non-sensory factors such as brand and price could have an important impact on consumer perception of functional foods. The impact of brand, price and health claims was affected by consumer interest in health issues. (C) 2009 Elsevier Ltd. All rights reserved.
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