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  • Title: Changes of the water-holding capacity and microstructure of panga and tilapia surimi gels using different stabilizers and processing methods.
    Author: Filomena-Ambrosio A, Quintanilla-Carvajal MX, Ana-Puig, Hernando I, Hernández-Carrión M, Sotelo-Díaz I.
    Journal: Food Sci Technol Int; 2016 Jan; 22(1):68-78. PubMed ID: 25631487.
    Abstract:
    Surimi gel is a food product traditionally manufactured from marine species; it has functional features including a specific texture and a high protein concentration. The objective of this study was to evaluate and compare the effect of the ultrasound extraction protein method and different stabilizers on the water-holding capacity (WHC), texture, and microstructure of surimi from panga and tilapia to potentially increase the value of these species. For this purpose, WHC was determined and texture profile analysis, scanning electron microscopy, and texture image analysis were carried out. The results showed that the ultrasound method and the sodium citrate can be used to obtain surimi gels from panga and tilapia with optimal textural properties such as the hardness and chewiness. Moreover, image analysis is recommended as a quantitative and non-invasive technique to evaluate the microstructure and texture image properties of surimis prepared using different processing methods and stabilizers.
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