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Snacks from the sea : a cross-national comparison of consumer acceptance for crackers added with algae

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Abstract
One of the main priorities of current food systems is to develop new and healthy foods to overcome food shortages considering consumer's expectations. Algae are receiving increasing attention as nutritious and sustainable food, though studies are limited mainly to Arthrospira and Chlorella species and cross-national research is scant. This study aims to investigate European consumers' liking and perception of crackers added with powders from Arthrospira platensis (green Spirulina), isolated proteins from Arthrospira platensis (blue Spirulina), Palmaria palmata, Saccharina latissima, Lithothamnium calcareum and a control cracker. Belgian, German, Italian, and Swedish participants (n = 413, 18-69 years, 59.8% females) evaluated cracker liking and perceived sensory attributes using the check-all-that-apply (CATA) task. Food neophobia, familiarity towards, and consumption of algae were also collected. Partial Least Squares Regression (PLSR) analyses showed that across all countries, Lithothamnium calcareum, blue Spirulina and the control samples were perceived as similar and were liked more than the other crackers. "Sweet", "toasted bread", and "bland" attributes were significant contributors to liking, while "off-flavor", "fishy flavor", "umami" and "speckled" contributed negatively. PLSR performed by country provided similar results except for Italians who liked the green Spirulina sample equally as the samples added with Lithothamnium calcareum, blue Spirulina, and the control. These cross-national differences can be ascribed to Italians' lower food neophobia level. The present results suggest that Lithothamnium calcareum is the most promising algal species to be exploited in food formulations and that the use of isolated proteins from Spirulina (blue Spirulina) significantly reduces off-flavors, consequently improving consumers' acceptance.
Keywords
Novel food, Liking, Food neophobia, Seaweed, Sensory evaluation, Check-all-that-apply (CATA), FOOD, MICROALGAE, ADULTS, DIET

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MLA
Rabitti, Noemi Sofia, et al. “Snacks from the Sea : A Cross-National Comparison of Consumer Acceptance for Crackers Added with Algae.” EUROPEAN FOOD RESEARCH AND TECHNOLOGY, vol. 250, no. 8, 2024, pp. 2193–209, doi:10.1007/s00217-024-04530-y.
APA
Rabitti, N. S., Bayudan, S. R., Laureati, M., Neugart, S., Schouteten, J., Apelman, L., … Sandvik, P. (2024). Snacks from the sea : a cross-national comparison of consumer acceptance for crackers added with algae. EUROPEAN FOOD RESEARCH AND TECHNOLOGY, 250(8), 2193–2209. https://doi.org/10.1007/s00217-024-04530-y
Chicago author-date
Rabitti, Noemi Sofia, Simoun Rainier Bayudan, Monica Laureati, Susanne Neugart, Joachim Schouteten, Linnea Apelman, Sermin Dahlstedt, and Pernilla Sandvik. 2024. “Snacks from the Sea : A Cross-National Comparison of Consumer Acceptance for Crackers Added with Algae.” EUROPEAN FOOD RESEARCH AND TECHNOLOGY 250 (8): 2193–2209. https://doi.org/10.1007/s00217-024-04530-y.
Chicago author-date (all authors)
Rabitti, Noemi Sofia, Simoun Rainier Bayudan, Monica Laureati, Susanne Neugart, Joachim Schouteten, Linnea Apelman, Sermin Dahlstedt, and Pernilla Sandvik. 2024. “Snacks from the Sea : A Cross-National Comparison of Consumer Acceptance for Crackers Added with Algae.” EUROPEAN FOOD RESEARCH AND TECHNOLOGY 250 (8): 2193–2209. doi:10.1007/s00217-024-04530-y.
Vancouver
1.
Rabitti NS, Bayudan SR, Laureati M, Neugart S, Schouteten J, Apelman L, et al. Snacks from the sea : a cross-national comparison of consumer acceptance for crackers added with algae. EUROPEAN FOOD RESEARCH AND TECHNOLOGY. 2024;250(8):2193–209.
IEEE
[1]
N. S. Rabitti et al., “Snacks from the sea : a cross-national comparison of consumer acceptance for crackers added with algae,” EUROPEAN FOOD RESEARCH AND TECHNOLOGY, vol. 250, no. 8, pp. 2193–2209, 2024.
@article{01HZSCVJQHKKWZXM1P1CRMV538,
  abstract     = {{One of the main priorities of current food systems is to develop new and healthy foods to overcome food shortages considering consumer's expectations. Algae are receiving increasing attention as nutritious and sustainable food, though studies are limited mainly to Arthrospira and Chlorella species and cross-national research is scant. This study aims to investigate European consumers' liking and perception of crackers added with powders from Arthrospira platensis (green Spirulina), isolated proteins from Arthrospira platensis (blue Spirulina), Palmaria palmata, Saccharina latissima, Lithothamnium calcareum and a control cracker. Belgian, German, Italian, and Swedish participants (n = 413, 18-69 years, 59.8% females) evaluated cracker liking and perceived sensory attributes using the check-all-that-apply (CATA) task. Food neophobia, familiarity towards, and consumption of algae were also collected. Partial Least Squares Regression (PLSR) analyses showed that across all countries, Lithothamnium calcareum, blue Spirulina and the control samples were perceived as similar and were liked more than the other crackers. "Sweet", "toasted bread", and "bland" attributes were significant contributors to liking, while "off-flavor", "fishy flavor", "umami" and "speckled" contributed negatively. PLSR performed by country provided similar results except for Italians who liked the green Spirulina sample equally as the samples added with Lithothamnium calcareum, blue Spirulina, and the control. These cross-national differences can be ascribed to Italians' lower food neophobia level. The present results suggest that Lithothamnium calcareum is the most promising algal species to be exploited in food formulations and that the use of isolated proteins from Spirulina (blue Spirulina) significantly reduces off-flavors, consequently improving consumers' acceptance.}},
  author       = {{Rabitti, Noemi Sofia and Bayudan, Simoun Rainier and  Laureati, Monica and  Neugart, Susanne and Schouteten, Joachim and  Apelman, Linnea and  Dahlstedt, Sermin and  Sandvik, Pernilla}},
  issn         = {{1438-2377}},
  journal      = {{EUROPEAN FOOD RESEARCH AND TECHNOLOGY}},
  keywords     = {{Novel food,Liking,Food neophobia,Seaweed,Sensory evaluation,Check-all-that-apply (CATA),FOOD,MICROALGAE,ADULTS,DIET}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{2193--2209}},
  title        = {{Snacks from the sea : a cross-national comparison of consumer acceptance for crackers added with algae}},
  url          = {{http://doi.org/10.1007/s00217-024-04530-y}},
  volume       = {{250}},
  year         = {{2024}},
}

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