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Huang X, Cui Y, Shi L, Yang S, Qiu X, Hao G, Zhao Y, Liu S, Liu Z, Weng W, Ren Z. Structural properties and emulsification of myofibrillar proteins from hairtail (Trichiurus haumela) at different salt ions. Int J Biol Macromol 2023; 253:127598. [PMID: 37879582 DOI: 10.1016/j.ijbiomac.2023.127598] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/27/2023]
Abstract
The structural properties and emulsification of myofibrillar proteins (MPs) are susceptibly affected by salt ions. The effect of different salt ions on the structural properties and emulsification of MPs from hairtail (Trichiurus haumela) remains unclear. Hairtail MPs were analyzed under different ion treatments of Na+, K+, Ca2+ and Mg2+. MPs at K+ and Na+ treatment showed a similar trend on salt effect due to the unfolding of proteins under salt ions. However, the excessive electrostatic effect of divalent ions could enhance protein aggregation, especially at Ca2+ and Mg2+. The β-sheet of MPs at different salt ions interconverted with α-helix and random coil at ionic strengths from 0.1 mol/L to 1.0 mol/L. The surface hydrophobicity and active sulfhydryl content of MPs increased with the improvement of ionic strengths at 0-0.8 mol/L. Under Ca2+ and Mg2+ treatments, the turbidity of MPs was low compared to that under the treatment of Na+ and K+. Additionally, the emulsification of hairtail MPs treated with different ions was improved at an ionic strength of 0.6 mol/L. This study can contribute to using salts in constructing fish protein-based emulsions for manufacturing emulsified surimi products and promoting the development and utilization of hairtail proteins.
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Affiliation(s)
- Xianglan Huang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Yaqing Cui
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Linfan Shi
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, China
| | - Shen Yang
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Xujian Qiu
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Gengxin Hao
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China
| | - Yongqiang Zhao
- Key Laboratory of Aquatic Product Processing, Ministry of Agriculture and Rural Affairs of The People's Republic of China, National R&D Center for Aquatic Product Processing, South China Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
| | - Shuji Liu
- Fisheries Research Institute of Fujian, Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Province, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resource, Xiamen 361013, China
| | - Zhiyu Liu
- Fisheries Research Institute of Fujian, Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Province, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resource, Xiamen 361013, China
| | - Wuyin Weng
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, China.
| | - Zhongyang Ren
- College of Ocean Food and Biological Engineering, Jimei University, Xiamen 361021, China; Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, China.
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Wang S, Li Y, Yan G, Yuan D, Ji B, Zhou F, Li Y, Zhang L. Thickening mechanism of recombined dairy cream stored at 4 °C: Changes in the composition and structure of milk protein under different sterilization intensities. Int J Biol Macromol 2023; 227:903-914. [PMID: 36549627 DOI: 10.1016/j.ijbiomac.2022.12.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/15/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
This work elucidates the mechanism involved in the effect of varying sterilization intensities on RDC thickening via comparative analysis of the changes in the composition and structure of RDC interfacial protein after storage at 4 °C and at 25 °C. The results showed that pasteurized RDCs (75 °C for 16 s, 90 °C for 5 min) and high-temperature sterilized RDCs (105 °C for 3 min, 115 °C for 7 min and 121 °C for 7 min) did not thicken during storage at 25 °C, and had lower viscosities and higher Ca2+ concentrations than those stored at 4 °C. Whey protein (WP) aggregates were found to have been adsorbed at the interface of high-temperature treated RDCs stored at 4 °C, leading to the aggregation of fat globules and, consequently, reversible thickening. However, high-temperature sterilized RDCs underwent into irreversible thickening at 10 d, 7 d and 3 d. This phenomenon was attributed to the large amount of heat-induced whey protein and κ-casein complex that was absorbed on the oil-water interface, with Ca2+ bonded to form bridging flocculation, which altered the secondary structure of the interfacial protein to one with increased β-sheet content and decreased random coil content.
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Affiliation(s)
- Shiran Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yang Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Guosen Yan
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Dongdong Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), School of Food and Health, Beijing Technology and Business University, Beijing 100048, China
| | - Baoping Ji
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Feng Zhou
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Yan Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health (BTBU), School of Food and Health, Beijing Technology and Business University, Beijing 100048, China.
| | - Liebing Zhang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
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Temperature effects on calcium partition kinetics in pasteurised skim milk during storage. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2022.105518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Barone G, O'Regan J, Kelly AL, O'Mahony JA. Interactions between whey proteins and calcium salts and implications for the formulation of dairy protein‐based nutritional beverage products: A review. Compr Rev Food Sci Food Saf 2022; 21:1254-1274. [DOI: 10.1111/1541-4337.12884] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/20/2021] [Accepted: 11/30/2021] [Indexed: 01/29/2023]
Affiliation(s)
- Giovanni Barone
- School of Food and Nutritional Sciences University College Cork Cork Ireland
| | - Jonathan O'Regan
- Nestlé Development Centre Nutrition Wyeth Nutritionals Ireland Askeaton Limerick Ireland
| | - Alan L. Kelly
- School of Food and Nutritional Sciences University College Cork Cork Ireland
| | - James A. O'Mahony
- School of Food and Nutritional Sciences University College Cork Cork Ireland
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Effects of the Incorporation of Calcium Chloride on the Physical and Oxidative Stability of Filled Hydrogel Particles. Foods 2022; 11:foods11030278. [PMID: 35159430 PMCID: PMC8834438 DOI: 10.3390/foods11030278] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/10/2022] [Accepted: 01/17/2022] [Indexed: 02/04/2023] Open
Abstract
In this study, the effects of calcium chloride (CaCl2) addition on the physical and oxidative stabilities of filled hydrogel were investigated. The results revealed that CaCl2 significantly enhanced the particle size, interfacial layer thickness, apparent viscosity, and viscoelastic behavior of filled hydrogels and decreased their light and whiteness values (p < 0.05). This phenomenon was mainly attributed to the strong binding ability between Ca2+ and protein/pectin mixtures, which were present in the interfacial area or aqueous phase, as verified by cryo-scanning electron microscopy results. Moreover, lower levels of CaCl2 (2 or 4 mM) significantly enhanced the oxidative stability of filled hydrogels (p < 0.05), particularly at a concentration of 4 mM. However, a higher level of CaCl2 (6 or 8 mM) resulted in an electrostatic shielding effect, which resulted in the aggregation of multiple droplets and the flocculation of the filled hydrogels, which negatively affected the oxidative stability of filled hydrogels. The findings of this study indicated that appropriate Ca2+ levels (4 mM) improved the physical and oxidative stability of filled hydrogel, and this finding may provide useful insights for the development of effective delivery systems for specific applications.
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Barone G, Yazdi SR, Lillevang SK, Ahrné L. Calcium: A comprehensive review on quantification, interaction with milk proteins and implications for processing of dairy products. Compr Rev Food Sci Food Saf 2021; 20:5616-5640. [PMID: 34622552 DOI: 10.1111/1541-4337.12844] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 12/22/2022]
Abstract
Calcium (Ca) is a key micronutrient of high relevance for human nutrition that also influences the texture and taste of dairy products and their processability. In bovine milk, Ca is presented in several speciation forms, such as complexed with other milk components or free as ionic calcium while being distributed between colloidal and serum phases of milk. Partitioning of Ca between these phases is highly dynamic and influenced by factors, such as temperature, ionic strength, pH, and milk composition. Processing steps used during the manufacture of dairy products, such as preconditioning, concentration, acidification, salting, cooling, and heating, all contribute to modify Ca speciation and partition, thereby influencing product functionality, product yield, and fouling of equipment. This review aims to provide a comprehensive understanding of the influence of Ca partition on dairy products properties to support the development of kinetics models to reduce product losses and develop added-value products with improved functionality. To achieve this objective, approaches to separate milk phases, analytical approaches to determine Ca partition and speciation, the role of Ca on protein-protein interactions, and their influence on processing of dairy products are discussed.
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Affiliation(s)
- Giovanni Barone
- Department of Food Science, Ingredients and Dairy Technology, University of Copenhagen, Frederiksberg, Denmark
| | | | | | - Lilia Ahrné
- Department of Food Science, Ingredients and Dairy Technology, University of Copenhagen, Frederiksberg, Denmark
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Goulding DA, O'Regan J, Bovetto L, O'Brien NM, O'Mahony JA. Influence of thermal processing on the physicochemical properties of bovine lactoferrin. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2021.105001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Calcium fortification of a model infant milk formula system using soluble and insoluble calcium salts. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2020.104951] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Du Q, Ji X, Lyu F, Liu J, Ding Y. Heat stability and rheology of high-calorie whey protein emulsion: Effects of calcium ions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106583] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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