High internal-phase Pickering emulsions constructed using myofibrillar proteins from large yellow croaker: Effect of glycerol.

Int J Biol Macromol

College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, China; Fujian Provincial Engineering Technology Research Center of Marine Functional Food, Xiamen 361021, China. Ele

Published: February 2025


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Article Abstract

Exploring the emulsification of myofibrillar protein (MP) from large yellow croaker (Larimichthys crocea) could meet the demand for high-value development and utilization of fish proteins. Therefore, MPs as the emulsifier to form stable high internal-phase Pickering emulsions (HIPPEs) with the addition of glycerol and the effects of different glycerol addition ratios of HIPPEs were investigated. HIPPEs could be constructed by MPs with the glycerol addition at a ratio of 15 %-30 % (v/v) compared to those without the addition of glycerol. With the increase in glycerol ratios, the absolute value of Zeta potential increased and reached 22.57 ± 0.29 mV at the glycerol ratio of 30 %. All the HIPPEs stabilized by MPs with the addition of glycerol possessed storage stability. Besides, the centrifugal stability constant (Ke), backscattered light intensity and reflected light stability index confirmed that the addition of glycerol was beneficial for the formation of stable HIPPEs prepared by MPs. Additionally, HIPPEs stabilized by MPs with the addition of glycerol possessed small emulsion droplets and viscoelastic behavior. These findings could be helpful for the development and utilization of MPs of large yellow croaker in the food industry.

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http://dx.doi.org/10.1016/j.ijbiomac.2024.138605DOI Listing

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