Abstract
The use of insect proteins for food applications has been boost by the current preferences of consumers who prefer healthier diets. Although Silkworm (SLW) pupae (Bombyx mori) has been used in food products, their use is not widespread in western countries. Interfacial properties of silkworm pupae (Bombyx mori) protein concentrate were studied at two pH values (2.0 and 8.0). The analysis of the protein adsorbed at A/W interface was carried out using dilatational and interfacial shear measurements. Dilatational measurements were carried out using a pendant droplet tensiometer (Tracker, Teclis Scientific), whereas interfacial shear measurements relied on a rheometer (DHR-3, TA Instruments). Results obtained confirmed the suitability of SLW protein to stabilize the interface. Moreover, at pH 8.0 proteins were adsorbed faster at the A/W interface, whereas the rheological response at pH 2.0 exhibited higher viscoelastic moduli and lower frequency-dependence.
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Acknowledgements
Authors also acknowledge for the pre-doctoral fellowship of Víctor M. Pérez Puyana (VPPI-US) and the post-doctoral fellowship of Manuel Félix Ángel (VPPI-US) to University of Seville.
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Bascon, C., Felix, M., Pérez-Puyana, V., de la Fuente, J. (2020). Use of Rheology as a Tool for Interfacial Characterisation of Silkworm Pupae (Bombyx mori) Protein Concentrate Adsorbed at A/W Interface. In: Galindo-Rosales, F., Campo-Deaño, L., Afonso, A., Alves, M., Pinho, F. (eds) Proceedings of the Iberian Meeting on Rheology (IBEREO 2019). IBEREO 2019. Springer Proceedings in Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-27701-7_26
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DOI: https://doi.org/10.1007/978-3-030-27701-7_26
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