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Título: | Sensory and physical changes in chilled farmed coho salmon (Oncorhynchus kisutch): Effect of previous optimized hydrostatic high-pressure conditions |
Autor: | Aubourg, Santiago P. CSIC ORCID; Rodríguez, Alicia; Sierra, Yohanina; Tabilo-Munizaga, Gipsy; Pérez-Won, Mario | Palabras clave: | Hydrostatic high-pressure Coho salmon Chilled storage Sensory Physical Quality Optimization |
Fecha de publicación: | 2013 | Editor: | Springer Nature | Citación: | Food and Bioprocess Technology 6(6): 1539-1549 (2013) | Resumen: | The effect of a previous hydrostatic high-pressure (HHP) treatment on sensory and physical quality of chilled coho salmon (Oncorhynchus kisutch) was investigated. As a first stage, a 22 factorial design based on the response surface methodology was used for optimization of HHP conditions; for it, the effects on color uniformity, white spots appearance, elasticity, and hardness were analyzed. In a second stage, optimized HHP conditions (135 MPa for 30 s, 170 MPa for 30 s, and 200 MPa for 30 s; treatments T-1, T-2, and T-3, respectively) were applied as previous treatment to chilling, being sampling carried out on salmon muscle at days 0, 6, 10, 15, and 20. A marked effect on sensory and physical parameters was detected after HHP treatment and throughout the chilled storage. According to odor (rancid, putrid), texture (elasticity, gaping, firmness), and color (L* value) attributes, fish corresponding to T-1 condition was shown to have better-maintained quality throughout the chilled storage than fish belonging to T-2 and T-3 conditions; additionally, a quality enhancement (putrid odor, cohesivity, gaping) was found when compared with control samples. In agreement to the preliminary optimization study, it is concluded that T-1 condition can provide the most effective HHP pre-treatment to better maintain sensory and physical properties when salmon muscle is to be commercialized as a fresh product. Results obtained for the quality evolution of chilled fish attest the importance of establishing a judicious selection of previous HHP treatment parameters to minimize undesirable changes related to sensory and physical characteristics | Descripción: | 11 páginas, 2 figuras, 4 tablas.-- The final publication is available at www.springerlink.com | Versión del editor: | http://dx.doi.org/10.1007/s11947-012-0799-4 | URI: | http://hdl.handle.net/10261/48152 | DOI: | 10.1007/s11947-012-0799-4 | ISSN: | 1935-5130 | E-ISSN: | 1935-5149 |
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