期刊
FRONTIERS IN NUTRITION
卷 10, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2023.1116100
关键词
hydrodynamic cavitation; myofibrillar protein; physicochemical structure; rheology; emulsifying property
The purpose of this research was to investigate the impact of different hydrodynamic cavitation (HC) times on the emulsifying properties of tilapia myofibrillar protein (TMP). The results showed that HC changed the structure of TMP, resulting in increased emulsifying activity index (EAI) and altered emulsifying stability index (ESI), droplet size, and rheology of TMP emulsions. The study demonstrated that HC has the potential to improve the emulsifying properties of TMP and can be used as a technique for meat protein processing.
The purpose of this research was to explore the different hydrodynamic cavitation (HC) times (0, 5, 10, 15, 20 min; power 550 W, pressure 0.14 MPa) on the emulsifying properties of tilapia myofibrillar protein (TMP). Results of pH, particle size, turbidity, solubility, surface hydrophobicity, and reactive sulfhydryl (SH) group indicated that HC changed the structure of TMP, as confirmed by the findings of intrinsic fluorescence and circular dichroism (CD) spectra. Furthermore, HC increased the emulsifying activity index (EAI) significantly (P < 0.05) and changed the emulsifying stability index (ESI), droplet size, and rheology of TMP emulsions. Notably, compared with control group, the 10-min HC significantly decreased particle size and turbidity but increased solubility (P < 0.05), resulting in accelerated diffusion of TMP in the emulsion. The prepared TMP emulsion showed the highest ESI (from 71.28 +/- 5.50 to 91.73 +/- 5.56 min), the smallest droplet size (from 2,754 +/- 110 to 2,138 +/- 182 nm) and the best rheological properties, as demonstrated by the microstructure photographs. Overall, by showing the effect of HC in improving the emulsifying properties of TMP, the study demonstrated HC as a potential technique for meat protein processing.
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