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High-Pressure Processing (HPP) for Decreasing Weight Loss of Fresh Albacore (Thunnus alalunga) Steaks

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Abstract

This research is focused on optimizing high-pressure processing (HPP) for decreasing weight loss of albacore steaks (Thunnus alalunga) while retaining as much as possible the quality of fresh fish. After HPP treatments (0.1–500 MPa, 2 min), samples were stored (24 h, 4°C) and then analyzed (weight loss, color, texture, appearance, water holding capacity, salt-soluble protein content, and lipid oxidation). Weight loss increased from 50 to 150 MPa, without other substantial modification. Above 200 MPa, HPP treatment caused a progressive weight loss reduction. 200 MPa decreased weight loss by 41.6% with respect to 150 MPa, without noticeable changes in color, texture, appearance, or lipid oxidation. 250 MPa decreased weight loss by 50.1% compared to the controls but produced minor changes in color. 500 MPa provoked the maximum reduction of weight loss with respect to the controls (59%), although it caused marked differences in all quality parameters, which would affect consumer acceptance.

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Acknowledgements

The authors thank Mary Flour for revising the manuscript for English spelling and grammar.

Funding

The authors thank the Basque Country Government for the financial support to carry out this research work. LC gratefully acknowledges the financial support for her doctoral studies from the Basque Country Government through a research scholarship for young researchers and technologists from the Department of Agriculture, Fisheries and Food.

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Correspondence to Eduardo Puértolas.

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Cartagena, L., Puértolas, E. & Martínez de Marañón, I. High-Pressure Processing (HPP) for Decreasing Weight Loss of Fresh Albacore (Thunnus alalunga) Steaks. Food Bioprocess Technol 12, 2074–2084 (2019). https://doi.org/10.1007/s11947-019-02369-w

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  • DOI: https://doi.org/10.1007/s11947-019-02369-w

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