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  • Title: Application of ultrasound treatment in pork marination: Effects on moisture migration and microstructure.
    Author: Guo L, Zhang X, Hong C, Liu N, Ouyang N, Chen J, Ashokkumar M, Ma H.
    Journal: Food Chem; 2024 Jul 30; 447():138950. PubMed ID: 38492292.
    Abstract:
    To better understanding the effects of ultrasonic marination on the porcine tissue, the moisture migration and microstructure were investigated in this study. Additionally, the acoustic field distribution was analysis using COMSOL Multiphysics. The low-filed NMR results demonstrated that ultrasonic curing induced a leftward shift in T21 and a rightward shift in T22, accompanied by a significant reduction in A22, thereby enhancing the water-holding capacity of pork. The SEM and TEM observation showed that the presence of larger interstitial gaps between muscle fibers facilitated the diffusion of NaCl. The simulation analysis revealed that the acoustic field at 26.8 kHz showed minimal standing wave effects and more pronounced cavitation, which was the main reason for the best curing effect at this frequency. The scale-up test showed the NaCl content in pork reached 1% after ultrasound curing, indicating the potential application of ultrasonic marination technology in domestic refrigerators.
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