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Seoul, South Korea

Park J.D.,CJ Foods R and D CJ Cheiljedang | Park J.W.,Oregon State University | Yoon W.B.,Korea Research Institute of Bioscience and Biotechnology | Yoon W.B.,Kangwon National University
Journal of Texture Studies | Year: 2013

Rupture properties, such as yield stress (YS) and the limit of linear viscoelastic region (LLVER), of Alaska pollock surimi pastes and failure shear stress (FSS) of Alaska pollock surimi gels were measured at various moisture contents. The stress-stain behavior of surimi paste was measured by the small amplitude oscillatory shear test using a dynamic rheometer. The YS values and the applied stress at LLVER (ASLLVER) of surimi paste were analyzed based on the stress-strain behavior during stress sweep test at 0.1Hz. The FSS of surimi gels measured by the Hamann Torsion Gelometer showed a strong correlation with the moisture content (r2=0.95). YS and ASLLVER showed strong correlations with the moisture contents (r2=0.94 and 0.94, respectively). Such good correlations found at varied moisture contents suggest that the rupture properties of surimi paste may help estimate the texture properties of gel products. © 2013 Wiley Periodicals, Inc. Source

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