Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process
Salmon skin is a byproduct from the fish processing industry that can be used as a potential source of collagen. Due to the presence of other constituents, pretreatment of the skin is required prior to the preparation of the acid-soluble collagen (ASC) solution and film. This study aimed to investig...
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MDPI AG
2025-03-01
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| author | Krisana Nilsuwan Sujinun Thongnoi Thummanoon Prodpran Soottawat Benjakul |
| author_facet | Krisana Nilsuwan Sujinun Thongnoi Thummanoon Prodpran Soottawat Benjakul |
| author_sort | Krisana Nilsuwan |
| collection | DOAJ |
| description | Salmon skin is a byproduct from the fish processing industry that can be used as a potential source of collagen. Due to the presence of other constituents, pretreatment of the skin is required prior to the preparation of the acid-soluble collagen (ASC) solution and film. This study aimed to investigate the effects of ultrasonication amplitudes (50% and 70%) and times (5, 10, and 15 min) on the properties and characteristics of ASC solutions and films. The ASC solutions had higher elastic behavior when ultrasonication at a lower amplitude and a shorter time was used. Films from solutions ultrasonicated at 50% amplitude had a higher thickness, tensile strength, elongation at break, and water vapor barrier property than films from solutions ultrasonicated at 70% amplitude, regardless of the ultrasonication time used. A longer ultrasonication time decreased the <i>L</i>* value but increased the transparency value. The FTIR spectra indicated that structural modifications were affected by the ultrasonication conditions used. The SEM images showed a continuous surface for all the films. Higher amplitudes and longer times reduced the thermal stability and crystallinity, respectively, as determined by differential scanning calorimetry and thermogravimetric analysis as well as X-ray diffraction. Therefore, ultrasonication at 50% amplitude for 10 min was suitable for producing films with satisfactory mechanical and water vapor barrier properties. |
| format | Article |
| id | doaj-art-c625aa4cd39e4a30b5b6d9ba64447297 |
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| issn | 2304-8158 |
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| publishDate | 2025-03-01 |
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| spelling | doaj-art-c625aa4cd39e4a30b5b6d9ba644472972025-08-20T03:08:56ZengMDPI AGFoods2304-81582025-03-01147108810.3390/foods14071088Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication ProcessKrisana Nilsuwan0Sujinun Thongnoi1Thummanoon Prodpran2Soottawat Benjakul3International Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90110, Songkhla, ThailandProgram of Food Science and Technology, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90110, Songkhla, ThailandInternational Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90110, Songkhla, ThailandInternational Center of Excellence in Seafood Science and Innovation, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai 90110, Songkhla, ThailandSalmon skin is a byproduct from the fish processing industry that can be used as a potential source of collagen. Due to the presence of other constituents, pretreatment of the skin is required prior to the preparation of the acid-soluble collagen (ASC) solution and film. This study aimed to investigate the effects of ultrasonication amplitudes (50% and 70%) and times (5, 10, and 15 min) on the properties and characteristics of ASC solutions and films. The ASC solutions had higher elastic behavior when ultrasonication at a lower amplitude and a shorter time was used. Films from solutions ultrasonicated at 50% amplitude had a higher thickness, tensile strength, elongation at break, and water vapor barrier property than films from solutions ultrasonicated at 70% amplitude, regardless of the ultrasonication time used. A longer ultrasonication time decreased the <i>L</i>* value but increased the transparency value. The FTIR spectra indicated that structural modifications were affected by the ultrasonication conditions used. The SEM images showed a continuous surface for all the films. Higher amplitudes and longer times reduced the thermal stability and crystallinity, respectively, as determined by differential scanning calorimetry and thermogravimetric analysis as well as X-ray diffraction. Therefore, ultrasonication at 50% amplitude for 10 min was suitable for producing films with satisfactory mechanical and water vapor barrier properties.https://www.mdpi.com/2304-8158/14/7/1088salmon skin collagenacid-soluble collagen solutionfilmrheological propertiesfilm properties |
| spellingShingle | Krisana Nilsuwan Sujinun Thongnoi Thummanoon Prodpran Soottawat Benjakul Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process Foods salmon skin collagen acid-soluble collagen solution film rheological properties film properties |
| title | Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process |
| title_full | Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process |
| title_fullStr | Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process |
| title_full_unstemmed | Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process |
| title_short | Properties and Characteristics of Film from Salmon Skin Acid-Soluble Collagen Solution as Influenced by Ultrasonication Process |
| title_sort | properties and characteristics of film from salmon skin acid soluble collagen solution as influenced by ultrasonication process |
| topic | salmon skin collagen acid-soluble collagen solution film rheological properties film properties |
| url | https://www.mdpi.com/2304-8158/14/7/1088 |
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