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Hybrid (meat–plant) products can be a sustainable response to the increased interest in flexitarianism. Their development requires designing appropriate composition and functional properties and ensuring microbiological safety. This study aimed to determine the influence of using various multi-ingredient plant mixtures and pork in different proportions and two recipe variants on the characteristics of baked burgers. Additionally, the impact of lactic acid bacteria (LAB) application on the microbiological quality of raw hybrid/plant burgers was assessed. All products were analyzed in terms of basic chemical composition (NIR spectroscopy) and physicochemical and textural properties (instrumental methods). The raw plant and hybrid burgers met the microbiological requirements. The baked burgers did not significantly differ in terms of their chemical composition, except for the fiber found in plant/hybrid samples. Moreover, the reformulation of burgers had no effect on their cooking yield or water activity. As the content of plant parts increased, the baked burgers were darker (lower L*) and had a more tender texture (lower shear force and penetration force). Overall, the multi-ingredient plant mixtures showed great potential in the development of high-quality hybrid burgers. However, the texture formed can, importantly, determine final consumer acceptance. Therefore, research should be continued, especially in terms of comprehensive textural and sensory analyses.
Dasiewicz et al. (Thu,) studied this question.