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Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)

The physicochemical characteristics and textural properties of yellow croaker treated by hot air drying (HAD), low temperature vacuum drying (LVD), and freeze drying (FD) methods were studied. The dried fish by LVD had the lowest moisture content and highest protein. The volatile basic nitrogen valu...

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Autores principales: Kim, Bo-Sub, Oh, Boung-Jun, Lee, Jeung-Hee, Yoon, Young Seung, Lee, Hae-In
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7073827/
https://www.ncbi.nlm.nih.gov/pubmed/32075217
http://dx.doi.org/10.3390/foods9020196
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author Kim, Bo-Sub
Oh, Boung-Jun
Lee, Jeung-Hee
Yoon, Young Seung
Lee, Hae-In
author_facet Kim, Bo-Sub
Oh, Boung-Jun
Lee, Jeung-Hee
Yoon, Young Seung
Lee, Hae-In
author_sort Kim, Bo-Sub
collection PubMed
description The physicochemical characteristics and textural properties of yellow croaker treated by hot air drying (HAD), low temperature vacuum drying (LVD), and freeze drying (FD) methods were studied. The dried fish by LVD had the lowest moisture content and highest protein. The volatile basic nitrogen values of dried fish by HAD, LVD, and FD were 66.27, 34.38, and 33.03 mg/100 g sample, respectively. The predominant amino acids of dried fish treated by LVD and FD were lysine, taurine, alanine, and glutamic acid, and the predominant ones by HAD were the remaining amino acids analyzed in this study, except lysine, taurine, alanine, and glutamic acid. By using the color parameters, the L* and b* values by LVD showed light brown and yellow colors of the fish. The textural properties of dried fish by LVD were softer and more chewable than those of HAD and FD. In the stereo-micrographs, the flesh of dried fish by LVD compared to others showed minimization of texture damage, resilient tissues, much fish oil, and were light brown in color. Taken together, these results suggest that LVD rather than HAD and FD provide good qualities of dried fish in terms of physicochemical characteristics and textural properties.
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spelling pubmed-70738272020-03-19 Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis) Kim, Bo-Sub Oh, Boung-Jun Lee, Jeung-Hee Yoon, Young Seung Lee, Hae-In Foods Article The physicochemical characteristics and textural properties of yellow croaker treated by hot air drying (HAD), low temperature vacuum drying (LVD), and freeze drying (FD) methods were studied. The dried fish by LVD had the lowest moisture content and highest protein. The volatile basic nitrogen values of dried fish by HAD, LVD, and FD were 66.27, 34.38, and 33.03 mg/100 g sample, respectively. The predominant amino acids of dried fish treated by LVD and FD were lysine, taurine, alanine, and glutamic acid, and the predominant ones by HAD were the remaining amino acids analyzed in this study, except lysine, taurine, alanine, and glutamic acid. By using the color parameters, the L* and b* values by LVD showed light brown and yellow colors of the fish. The textural properties of dried fish by LVD were softer and more chewable than those of HAD and FD. In the stereo-micrographs, the flesh of dried fish by LVD compared to others showed minimization of texture damage, resilient tissues, much fish oil, and were light brown in color. Taken together, these results suggest that LVD rather than HAD and FD provide good qualities of dried fish in terms of physicochemical characteristics and textural properties. MDPI 2020-02-15 /pmc/articles/PMC7073827/ /pubmed/32075217 http://dx.doi.org/10.3390/foods9020196 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Kim, Bo-Sub
Oh, Boung-Jun
Lee, Jeung-Hee
Yoon, Young Seung
Lee, Hae-In
Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title_full Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title_fullStr Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title_full_unstemmed Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title_short Effects of Various Drying Methods on Physicochemical Characteristics and Textural Features of Yellow Croaker (Larimichthys Polyactis)
title_sort effects of various drying methods on physicochemical characteristics and textural features of yellow croaker (larimichthys polyactis)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7073827/
https://www.ncbi.nlm.nih.gov/pubmed/32075217
http://dx.doi.org/10.3390/foods9020196
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