Lentil proteins (LPs) may encounter challenges in their food industry applications due to certain limitations in their functional properties. This study focused on enhancing the quality of LPs through physical modifications and investigating the effects of a 24-hr fermentation process with Lactiplantibacillus plantarum. The protein structures of LPs were analysed using several techniques, including ultraviolet spectra, fluorescence spectra, and FT-IR spectra, respectively, resulting in the protein structure of LPs substantial modifications (p
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