Abstract
The effects of the ratio change of SPI and WG (11: 1, 10: 2, 9: 3, 8: 4, 7: 5, 6: 6 and 5: 7) on the product characteristics of plant-based meat analogues (PBMAs) were investigated. The results show that the addition of WG significantly reduces the hardness and chewiness of PBMAs, but significantly improves the springiness and brightness of PBMAs. When the ratio of SPI to WG is 9: 3, PBMAs has the best fiber structure, storage modulus and apparent viscosity. Fourier transform infrared spectroscopy (FT-IR) results showed that the transition from α-helix to β-fold was an important reason for PBMAs fibers reinforcement. The intermolecular interaction of protein shows that the enhancement of fiber structure of PBMAs is related to the increase of disulfide bonds. In this study, low cost and high simulation degree PBMAs are provided as a reference for developing PBMAs.
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