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Upcycling Potato Juice Protein for Sustainable Plant-Based Gyros: A Multidimensional Quality Assessment
Insight into the potato protein-based vegan cheese: A comprehensive study on physicochemical, mechanical and molecular properties
The growing interest in plant-based diets is driving the search for new products, including alternatives to dairy cheese. The aim of this research was to develop a recipe and technology for the production of a vegan cheese, then to characterize the physical, mechanical as well as molecular properties of the obtained products. The use of protein isolated from potato juice seems to be appropriate due to the nutritional value of the formed product and to the environmental benefits, that is, the use of waste potato juice to obtain a valuable raw material. It was found that as a result of the interaction of protein with carbohydrates and fats, the hardness and viscosity of the obtained products increase. Moreover, it was shown that one of the tested cheese analogues, which contains 5% of potato juice protein, 12% of oil and 25% of modified potato starch, is the optimal analyzed variant. It has attractive culinary properties, such as meltability; therefore, it can be used in production of hot dishes, for example, as a plant-based alternative to dairy cheese in pizza.
The Rheology, Texture, and Molecular Dynamics of Plant-Based Hot Dogs
The rising demand for plant-based alternatives to traditional meat products has led to the development of plant-based sausages (PBSs) that closely mimic the texture and taste of their meat counterparts. This study investigates the rheological and textural properties, as well as proton molecular dynamics, of hot dog-type PBSs and batters used in their production. Various formulations were analyzed to understand how different ingredients and processing methods affect the characteristics of the final products. Our findings reveal that the incorporation of specific plant proteins and hydrocolloids significantly influences the rheological behavior and texture profile of sausages. The hardness of the samples ranged from 4.33 to 5.09 N/mm and was generally higher for the products with inorganic iron sources. Regarding the viscoelastic properties, all the samples showed larger values of the storage modulus than the loss modulus, which indicates their solid-like behavior. Additionally, the study utilized advanced proton nuclear magnetic resonance (NMR) techniques to elucidate the molecular dynamics within plant-based matrices, providing insights into water distribution and mobility. Key findings highlight the impact of different plant proteins and additives on the texture and stability of sausage analogs.