The study examined the stability of emulsions made from native and thermally denatured myofibrillar proteins with inulin, using ultrasound treatments ranging from 200 to 800 W. After ultrasound treatment, the droplet size decreased, especially the particle size of MPs-600 W-inulin emulsion reached 1 μm. In addition, by measuring the oxidation stability of oil, it was found that ultrasound could inhibit emulsion oxidation, and the PV of MPs-600 W droplets reached 5.37 ± 0.18 mmol/Kg and TBARS reached 2.37 ± 0.19 μmol/Kg. However, at the same ultrasound power, the dispersion of TMPs-inulin droplets is not as good as that of MPs-inulin droplets, indicating that thermal denaturation is not conducive to emulsion stability. Therefore, the introduce of ultrasound to ameliorate the stability of MPs/TMPs-inulin emulsion is effective, especially at 600 W ultrasound, the emulsion showed good stability.
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