Physicochemical Properties and Consumer Acceptance of Bread Enriched with Alternative Proteins

[EN] A projected global population growth by 2050 and climate change crises have led to increasing demand in edible protein sources; thus, scientific research and food industries are searching for alternatives. In this study, we investigated the incorporation of plant- and insect-based protein sources in wheat-based formulations. The Alveographic properties of dough and the eects on bread physicochemical and sensory characteristics were analysed. Including pea protein or insect powder improved the nutritional value, increasing protein content, but influenced the dough and bread properties. Pea protein significantly increased the dough extensibility (L), tenacity (P), and their ratio (P/L) in dough with insect blends and the control. Bread texture properties were significantly affected by the addition of pea and insect flour. Higher amounts of pea protein incorporation increased hardness values and showed a mean cell area lower than the control bread. Crust colour analysis showed significant dierences concerning the control bread, while crumb colour was aected by the flour colour. Word association analysis showed insect bread was associated with an emotional dimension, wheat bread was linked with ¿tradition¿, and pea bread was associated with "fruit and vegetable".This research received funding by Centre for Development Cooperation, Universitat Politecnica de Valencia throughout the ADSIDEO 2018-2020 projects.García-Segovia, P.; Igual Ramo, M.; Martínez-Monzó, J. (2020). Physicochemical Properties and Consumer Acceptance of Bread Enriched with Alternative Proteins. Foods. 9(7):1-22. https://doi.org/10.3390/foods907093312297McMichael, A. J. (2001). Impact of climatic and other environmental changes on food production and population health in the coming decades. Proceedings of the Nutrition Society, 60(2), 195-201. doi:10.1079/pns200090Song, X., Perez-Cueto, F., & Bredie, W. (2018). 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