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Cao S, Liu X, Zheng Z, Yan Z, Zhang T, Liu J, Yu T. Effects of Ultrasound-Assisted Soy Lecithin Addition on Rehydration Behavior and Physical Properties of Egg White Protein Powder. Foods 2024; 13:2252. [PMID: 39063336 PMCID: PMC11276175 DOI: 10.3390/foods13142252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/02/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024] Open
Abstract
This study investigated the effects of ultrasound-assisted soybean lecithin (SL) on the rehydration behavior and physical properties of egg white protein powder (EWPP) and its ability to enhance the efficacy of EWPP instant solubility. The results of rehydration, including wettability and dispersibility, indicated that ultrasound (200 W)-assisted SL (5 g/L) addition had the shortest wetting time and dispersion time, which were 307.14 ± 7.00 s and 20.95 ± 2.27 s, respectively. In terms of powder properties, the EWPP with added SL had lower lightness, moisture content and bulk density. In addition, the increase in average particle size, net negative charge, free sulfhydryl group content and surface hydrophobicity indicated that ultrasound treatment facilitated the protein structures unfolding and promoted the formation of SL-EWP complexes. Overall, our study provided a new perspective for the food industry regarding using ultrasound technology to produce instant EWPP with higher biological activity and more complete nutritional value.
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Affiliation(s)
- Sijia Cao
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Zhiyuan Zheng
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Zhaohui Yan
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Ting Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China; (S.C.); (X.L.); (Z.Z.); (Z.Y.); (T.Z.); (J.L.)
| | - Ting Yu
- Department of Nutrition, The Second Hospital of Jilin University, Changchun 130041, China
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2
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Chai J, Zhao X, Xu Y, Xu X. An unfolding/aggregation kinetic instructed rational design towards improving graft degree of glycation for myofibrillar protein. Food Chem 2024; 446:138876. [PMID: 38432134 DOI: 10.1016/j.foodchem.2024.138876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/10/2024] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
Glycation is an effective strategy for the application of myofibrillar protein (MP) in beverage formulas by improving water solubility. In conventional glycation, the efficiency was limited as MP-saccharides conjugates mostly produced at low temperature due to thermosensitivity. This study was aimed to explore unfolding/aggregation kinetics of MP, including aggregate behavior, structural characteristics, and micromorphology, which guided the selection of temperature for glycation. It was shown that 40 °C/47.5 °C were critical temperature for MP unfolding/aggregation, respectively. Accordingly, an innovative technology of glycation (cyclic continuous glycation, CCG) was established by combining such temperatures. The results confirmed that cyclic continuous heating (CCH) inhibited excessive exposure of sulfhydryl and hydrophobic groups impeding protein aggregation. Importantly, it was revealed that rational designed CCG promoted covalent binding of MP to glucose by regulating unfolding-aggregation balance, exhibiting higher glycation degree. Overall, CCG-modified MP is expected to motivate the application of meat proteins in food formulations.
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Affiliation(s)
- Jiale Chai
- Key Laboratory of Meat Processing, Ministry of Agriculture, State Key Lab of Meat Quality Control and Cultured Meat Development, Ministry of Science and Technology, Jiangsu Collaborative Innovation Center of Meat Production and Processing, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xue Zhao
- Key Laboratory of Meat Processing, Ministry of Agriculture, State Key Lab of Meat Quality Control and Cultured Meat Development, Ministry of Science and Technology, Jiangsu Collaborative Innovation Center of Meat Production and Processing, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China.
| | - Yujuan Xu
- Key Laboratory of Meat Processing, Ministry of Agriculture, State Key Lab of Meat Quality Control and Cultured Meat Development, Ministry of Science and Technology, Jiangsu Collaborative Innovation Center of Meat Production and Processing, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xinglian Xu
- Key Laboratory of Meat Processing, Ministry of Agriculture, State Key Lab of Meat Quality Control and Cultured Meat Development, Ministry of Science and Technology, Jiangsu Collaborative Innovation Center of Meat Production and Processing, College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
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3
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Li J, Wang X, Chang C, Gu L, Su Y, Yang Y, Agyei D, Han Q. Chicken Egg White Gels: Fabrication, Modification, and Applications in Foods and Oral Nutraceutical Delivery. Foods 2024; 13:1834. [PMID: 38928777 PMCID: PMC11202995 DOI: 10.3390/foods13121834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Chicken egg white (EW) proteins possess various useful techno-functionalities, including foaming, gelling or coagulating, and emulsifying. The gelling property is one of the most important functionalities of EW proteins, affecting their versatile applications in the food and pharmaceutical industries. However, it is challenging to develop high-quality gelled foods and innovative nutraceutical supplements using native EW and its proteins. This review describes the gelling properties of EW proteins. It discusses the development and action mechanism of the physical, chemical, and biological methods and exogenous substances used in the modification of EW gels. Two main applications of EW gels, i.e., gelling agents in foods and gel-type carriers for nutraceutical delivery, are systematically summarized and discussed. In addition, the research and technological gaps between modified EW gels and their applications are highlighted. By reviewing the new modification strategies and application trends of EW gels, this paper provides insights into the development of EW gel-derived products with new and functional features.
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Affiliation(s)
- Junhua Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi 214122, China
| | - Xuechun Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Cuihua Chang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Luping Gu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yujie Su
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yanjun Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
| | - Dominic Agyei
- Department of Food Science, University of Otago, Dunedin 9054, New Zealand
| | - Qi Han
- School of Science, STEM College, RMIT University, Melbourne, VIC 3000, Australia
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4
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Zhao D, Sun L, Wang Y, Liu S, Cao J, Li H, Liu X. Salt ions improve soybean protein isolate/curdlan complex fat substitutes: Effect of molecular interactions on freeze-thaw stability. Int J Biol Macromol 2024; 272:132774. [PMID: 38823735 DOI: 10.1016/j.ijbiomac.2024.132774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
Although emulsion gels show significant potential as fat substitutes, they are vulnerable to degreasing, delamination, and other undesirable processes during freezing, storage, and thawing, leading to commercial value loss in terms of juiciness, flavor, and texture. This study investigated the gel strength and freeze-thaw stability of soybean protein isolate (SPI)/curdlan (CL) composite emulsion gels after adding sodium chloride (NaCl). Analysis revealed that adding low salt ion concentrations promoted the hardness and water-holding capacity (WHC) of fat substitutes, while high levels displayed an inhibitory effect. With 40 mM NaCl as the optimum concentration, the hardness increased from 259.33 g (0 mM) to 418.67 g, the WHC increased from 90.59 % to 93.18 %, exhibiting good freeze-thaw stability. Confocal laser scanning microscopy (CLSM) and particle size distribution were used to examine the impact of salt ion concentrations on protein particle aggregation and the damaging effect of freezing and thawing on the proteoglycan complex network structure. Fourier-transform infrared spectroscopy (FTIR) and protein solubility evaluation indicated that the composite gel network structure consisted of covalent contacts between the proteoglycan molecules and hydrogen bonds, playing a predominant role in non-covalent interaction. This study showed that the salt ion concentration in the emulsion gel affected its molecular interactions.
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Affiliation(s)
- Di Zhao
- National Soybean Processing Industry Technology Innovation Center, Key Laboratory of Geriatric Nutrition and Health Ministry of Education, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Luyao Sun
- National Soybean Processing Industry Technology Innovation Center, Key Laboratory of Geriatric Nutrition and Health Ministry of Education, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Yong Wang
- School of Chemical Engineering, UNSW Sydney, NSW 2052, Australia.
| | - Shuqi Liu
- National Soybean Processing Industry Technology Innovation Center, Key Laboratory of Geriatric Nutrition and Health Ministry of Education, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Jinnuo Cao
- Puluting (Hebei) Protein Biotechnology Research Limited Company, Handan, China
| | - He Li
- National Soybean Processing Industry Technology Innovation Center, Key Laboratory of Geriatric Nutrition and Health Ministry of Education, Beijing Technology and Business University (BTBU), Beijing 100048, China.
| | - Xinqi Liu
- National Soybean Processing Industry Technology Innovation Center, Key Laboratory of Geriatric Nutrition and Health Ministry of Education, Beijing Technology and Business University (BTBU), Beijing 100048, China.
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5
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Zhang Y, Liu J, Yan Z, Zhang R, Du Z, Shang X, Zhang T, Liu X. Mechanism of ultrasound-induced soybean/egg white composite gelation: Gel properties, morphological structure and co-aggregation kinetics. Int J Biol Macromol 2024; 266:131267. [PMID: 38556233 DOI: 10.1016/j.ijbiomac.2024.131267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 03/05/2024] [Accepted: 03/28/2024] [Indexed: 04/02/2024]
Abstract
This study aims to develop ultrasound-assisted acid-induced egg white protein (EWP)-soy protein isolate (SPI) composite gels and to investigate the mechanistic relationship between the co-aggregation behavior of composite proteins and gel properties through aggregation kinetics monitored continuously by turbidity. The results showed that the inclusion of EWP caused the attenuation of gel properties and maximum aggregation (Amax) because EWP could aggregate with SPI at a higher rate (Kapp), which impeded the interaction between SPI and the formation of a continuous gelling network. In the EWP-dominated system, SPI with higher molecular weights also increased the fractal dimension of gels. Ultrasound improved properties of composite gels, especially the SPI-dominated system. After ultrasound treatment, the small, uniform size of co-aggregates and the decrease in potential led to an increase in the aggregation rate and formation of dense particles, consistent with an increase in gelation rate and texture properties. Excessively fast aggregation generated coarse chains and more pores. Still, the exposure of free sulfhydryl groups assisted the gel structure units to form a compact network through disulfide bonding. On the whole, the study could provide theoretical support for a deeper understanding on the interaction mechanism and gelation of composite proteins.
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Affiliation(s)
- Yudan Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
| | - Zhaohui Yan
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Renzhao Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Zhiyang Du
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Xiaomin Shang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Ting Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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6
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Guo J, Gao X, Chi Y, Chi Y. Potassium Chloride as an Effective Alternative to Sodium Chloride in Delaying the Thermal Aggregation of Liquid Whole Egg. Foods 2024; 13:1107. [PMID: 38611411 PMCID: PMC11011459 DOI: 10.3390/foods13071107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/01/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
The potential of potassium chloride (KCl) to be used as a substitute for sodium chloride (NaCl) was studied by monitoring the effects of salt treatment on thermal behavior, aggregation kinetics, rheological properties, and protein conformational changes. The results show that the addition of KCl can improve solubility, reduce turbidity and particle size, and positively influence rheological parameters such as apparent viscosity, consistency coefficient (K value), and fluidity index (n). These changes indicate delayed thermal denaturation. In addition, KCl decreased the content of β-sheet and random coil structures and increased the content of α-helix and β-turn structures. The optimal results were obtained with 2% KCl addition, leading to an increase in Tp up to 85.09 °C. The correlation results showed that Tp was positively correlated with solubility, α-helix and β-turn but negatively correlated with ΔH, turbidity, β-sheet and random coil. Overall, compared to NaCl, 2% KCl is more effective in delaying the thermal aggregation of LWE, and these findings lay a solid theoretical foundation for the study of sodium substitutes in heat-resistant liquid egg products.
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Affiliation(s)
- Jiayu Guo
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (J.G.); (X.G.)
| | - Xin Gao
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (J.G.); (X.G.)
| | - Yujie Chi
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (J.G.); (X.G.)
| | - Yuan Chi
- College of Engineering, Northeast Agricultural University, Harbin 150030, China
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7
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Yan Z, Liu J, Cao S, Wang Z, Li C, Ren J, Zhang R, Zhang M, Liu X. Substitution of sucrose by erythritol in angel cake: Effect on protein foaming, baking performance and digestion properties. Int J Biol Macromol 2023; 253:126759. [PMID: 37678696 DOI: 10.1016/j.ijbiomac.2023.126759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/09/2023]
Abstract
Sugars played an important role in the processing of products such as cakes, however, their high-calorie character often posed a health risk to consumers. Therefore, this paper aimed to better investigate the effect of sugar substitutes on the improvement of egg white foaming properties and angle cake digestibility characteristics. It was demonstrated that the addition of erythritol improved the surface properties of egg whites, thus enhancing their foaming properties. Particularly, when the erythritol substitution was 50 %, the sugar-egg white complex structure unfolded and had the best foaming capacity. On this basis, the baking performance of angel cakes with sucrose replaced by erythritol was analyzed. When the erythritol substitution was lower than 50 %, the specific volume and the baking loss rate of the cakes were basically unchanged, and the texture and sensory taste of the cakes were all excellent. Finally, the gastrointestinal digestive kinetic analysis suggested that erythritol substitution for sucrose was beneficial for reducing blood glucose levels in vivo. Furthermore, for the MgCl2-based samples, both the degree of protein destruction after digestion was weakened and the glucose-lowering effect was better exerted. Overall, this study provided a new theoretical basis for the low-calorie sugar-substituted health food products development in the future.
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Affiliation(s)
- Zhaohui Yan
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Sijia Cao
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Zhi Wang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Chenman Li
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Jianqi Ren
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Renzhao Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Min Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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8
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Ding Y, Zhao L, Liu Y, Sun J, Pi Y, Shao JH. Effects of protein aggregation induced by NaCl and temperature on gelation of silkworm (Antheraea pernyi) pupa raw powder. Int J Biol Macromol 2023; 253:126679. [PMID: 37666404 DOI: 10.1016/j.ijbiomac.2023.126679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/25/2023] [Accepted: 09/01/2023] [Indexed: 09/06/2023]
Abstract
Edible insects have great potential for producing protein-rich ingredients. This study aimed to investigate the effects of protein aggregation induced by NaCl (0-1 M) and temperature (65-95 °C) on gelation of Antheraea pernyi (A. pernyi) pupa raw powder. No thermal aggregates were observed at low temperature (65 °C), on the basis of there being no significant enhancement in turbidity and particle size (P > 0.05), regardless of NaCl concentrations. At elevated temperatures (75-95 °C), protein solutions exhibited significantly higher turbidity and particle size (P < 0.05), accompanied by an initial rise in surface hydrophobicity followed by a decline, alongside declining sulfhydryl. This marks the beginning of massive thermal aggregation driven by molecular forces. In addition, covalent (disulfide bonds) and non-covalent (hydrogen bonding, electrostatic interactions, and hydrophobicity) forces were influenced by NaCl, leading to variability in the protein aggregation and gelation. Correlation analysis indicates that the higher protein aggregation induced by ions was beneficial to the construction of more compact three-dimensional structures, as well as to the rheology, texture, and water-holding capacity of A. pernyi pupa gels. However, excessive salt ions destroyed the gel structure. Our findings will aid the use of A. pernyi pupae as textural ingredients in formula foods.
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Affiliation(s)
- Yuxin Ding
- College of Food Science and Engineering, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Lingling Zhao
- College of Food Science and Engineering, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Yanqun Liu
- College of Biological Science and Technology, Shenyang Agricultural University, Shenyang 110866, Liaoning, China
| | - Jingxin Sun
- College of Food Science and Technology, Qingdao Agricultural University, Qingdao 266109, Shandong, China
| | - Yuzhen Pi
- College of Food Science and Engineering, Shenyang Agricultural University, Shenyang 110866, Liaoning, China.
| | - Jun-Hua Shao
- College of Food Science and Engineering, Shenyang Agricultural University, Shenyang 110866, Liaoning, China.
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Yan Z, Liu J, Ren J, Li C, Wang Z, Dai L, Cao S, Zhang R, Liu X. Magnesium ions regulated ovalbumin-lysozyme heteroprotein complex: Aggregation kinetics, thermodynamics and morphologic structure. Int J Biol Macromol 2023; 253:126487. [PMID: 37657312 DOI: 10.1016/j.ijbiomac.2023.126487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/10/2023] [Accepted: 08/22/2023] [Indexed: 09/03/2023]
Abstract
This study aims to investigate the mechanism of magnesium ions regulated ovalbumin-lysozyme (OVA-LYS) heteroprotein aggregation behavior via aggregation kinetics model, exploring the relationship between differential aggregation behavior and protein molecular structure, intermolecular interactions and thermal stability. Results showed that the aggregation rate (kapp) and maximum absorbance (Amax) of the OVA-LYS heteroprotein complex were located between OVA and LYS. Meanwhile, the thermal denaturation temperature (Td) and denaturation enthalpy (ΔH) were between the values of OVA and LYS as well. Compared with OVA, the thermal stability of the OVA-LYS heteroprotein complex increased owing to the electrostatic interactions between OVA and LYS, resulting in slower aggregation rate and lower aggregation degree. Molecular dynamics simulations revealed the molecular conformational changes during OVA-LYS binary protein binding and the stability of the complex conformation. Moreover, MgCl2 weakened the OVA-LYS interactions through Debye shielding while increasing thermal stability, allowing the two proteins to aggregate into amorphous precipitates rather than spherical coacervates. Overall, this study provides information to further understand the regulation mechanism of proteins differential aggregation behavior by ions.
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Affiliation(s)
- Zhaohui Yan
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Jianqi Ren
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Chenman Li
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Zhi Wang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Luyao Dai
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Sijia Cao
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Renzhao Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food, Jilin University, Changchun 130062, China; College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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10
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Xu W, Wu G, Jia Y, Yin Y, Ning Y, Li P, Li C, Luo D, Shah BR. Rheological and physicochemical properties of heat-induced ovalbumin gels in presence of sodium carboxymethyl cellulose. FOOD SCI TECHNOL INT 2023:10820132231205620. [PMID: 37822200 DOI: 10.1177/10820132231205620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
In this study, the effect of sodium carboxymethylcellulose (CMC-Na) on the rheological and physicochemical properties of heat-induced ovalbumin (OVA) gels was evaluated. The OVA/CMC-Na composite gels were prepared by heat-induced (85 °C, pH 7.0) a mixture of CMC-Na (0, 0.2, 0.4, 0.8 and 1%) and OVA. The results revealed that the addition of CMC-Na dramatically reduced the springiness and hardness of the composite gels, while slightly enhancing the intermolecular hydrogen bonding interactions, which facilitated the improvement of the softness of the gels. It can be observed by SEM that the added CMC-Na was stacked on the surface of the OVA, resulting in visible "linear bumps". All gel samples exhibited shear-thinning behavior. The apparent viscosity of the composite gels increased with the addition of CMC-Na, and the OVA gel with 1% CMC-Na showed the highest apparent viscosity and the lowest storage modulus (G'). Additionally, low field nuclear magnetic resonance (LF-NMR) measurements indicated that the increasing CMC-Na boosted the water mobility of the composite gel. This study offers a novel approach to the development of ovalbumin-based soft gel foods, especially for certain populations with swallowing difficulties.
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Affiliation(s)
- Wei Xu
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Guanchen Wu
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Yongxian Jia
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Yongpeng Yin
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Yuli Ning
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Penglin Li
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Cuiping Li
- College of Life Science, Xinyang Normal University, Xinyang, China
| | - Denglin Luo
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Bakht Ramin Shah
- Skin Barrier Research Group, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czech Republic
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11
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Thermal gelation and digestion properties of hen egg white: Study on the effect of neutral and alkaline salts addition. Food Chem 2023; 409:135263. [PMID: 36592599 DOI: 10.1016/j.foodchem.2022.135263] [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: 10/05/2022] [Revised: 11/21/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
In this study, the thermal gelation and digestion properties of hen egg white (hen EW) proteins with different salts were investigated. Results show that the addition of neutral salt - sodium chloride (NaCl) decreased the gel hardness/resilience, increased gel lightness, aggregated particle size and digestibility of hen EW proteins significantly. In contrast, alkaline salts - phosphate and carbonate addition increased the gel resilience and strain tolerance as well as reduced the aggregated particle size and gel lightness of hen EW proteins due to the increase of solution pH and negative charge. Correlation analysis shows that the digestibility of hen EW gels was affected by gel viscoelasticity, molecule forces and texture. In conclusion, thermal gelation properties of hen EW proteins could be modulated by salts with different pH/ionic strength, and thus affected the protein digestion and peptide released.
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Hou CY, Hazeena SH, Hsieh SL, Ciou JY, Hsieh CW, Shih MK, Chen MH, Tu CW, Huang PH. Investigation of the optimal production conditions for egg white hydrolysates and physicochemical characteristics. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:1600-1611. [PMID: 37033311 PMCID: PMC10076473 DOI: 10.1007/s13197-023-05708-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 03/06/2023]
Abstract
This study aimed to investigate the potential of egg white protein hydrolysate (EWH) as a functional food by identifying the optimum production conditions for EWH with response surface methodology (the results of the sensory evaluation were considered as an essential quality indicator). At the same time, its physicochemical and biological activity was also evaluated. The optimal economic production conditions were selected: substrate concentration of 12.5%, enzyme content of 7.5%, and hydrolysis time at 100 min. The degree of hydrolysis (DH %) was 13.51%. In addition, to the better acceptance of the evaluation, it also helps to reduce the production cost of the protein hydrolysate, which is beneficial to future processing and applications. The antioxidant capacity experiments showed that EWH has good antioxidant activity, which presents a dose-dependent relationship. Hence, this study provides a theoretical basis for future research and application of EWH for processing applications, including dietary supplementation. Supplementary Information The online version contains supplementary material available at 10.1007/s13197-023-05708-0.
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Affiliation(s)
- Chih-Yao Hou
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung, University of Science and Technology, Kaohsiung, 81157 Taiwan, ROC
| | - Sulfath Hakkim Hazeena
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung, University of Science and Technology, Kaohsiung, 81157 Taiwan, ROC
| | - Shu-Ling Hsieh
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung, University of Science and Technology, Kaohsiung, 81157 Taiwan, ROC
| | - Jhih-Ying Ciou
- Department of Food Science, Tunghai University, Taichung City, 407 Taiwan
| | - Chang-Wei Hsieh
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Rd., South Dist., Taichung City, 402 Taiwan, ROC
- Department of Medical Research, China Medical University Hospital, Taichung City, 404 Taiwan, ROC
| | - Ming-Kuei Shih
- Graduate Institute of Food Culture and Innovation, National Kaohsiung University of Hospitality and Tourism, Kaohsiung, Taiwan, ROC
| | - Min-Hung Chen
- Agriculture & Food Agency Council of Agriculture Executive, Yuan Marketing & Processing Division, No. 8 Kuang-Hua Rd., Chung-Hsing New Village, Nantou City, 54044 Taiwan
| | - Chao-Wen Tu
- Department of Seafood Science, College of Hydrosphere, National Kaohsiung, University of Science and Technology, Kaohsiung, 81157 Taiwan, ROC
| | - Ping-Hsiu Huang
- School of Food, Jiangsu Food and Pharmaceutical Science College, No. 4, Meicheng Road, Higher Education Park, Huai’an City, 223003 Jiangsu Province China
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Liu J, Zhang R, Jiang H, Yan Z, Zhang Y, Zhang T, Liu X. Network structure of response to freeze-thaw cycles in egg white protein gels filled with emulsion: Digestive kinetics regulated by the state of water and embedded oil. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108135] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Zhang T, Gong P, Wang Y, Jiang H, Zhang M, Yang M, Du Z, Liu J, Liu X. Oxidation-mediated structure and molecular interaction transformation of egg white protein: The underlying mechanism of functional properties and in vitro gastric digestibility improvement. Food Chem 2022; 405:134874. [DOI: 10.1016/j.foodchem.2022.134874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022]
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Liu J, Jiang H, Zhang M, Yang M, Zhang T, Du Z, Xu M, Liu X. Relationship of co-gelation and co-aggregation on egg white ovalbumin-lysozyme heteroprotein complex: Formation and thermodynamics. Food Chem 2022; 388:133030. [PMID: 35483286 DOI: 10.1016/j.foodchem.2022.133030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/26/2022] [Accepted: 04/18/2022] [Indexed: 11/18/2022]
Abstract
This study aimed to establish binary protein system on egg white ovalbumin (OVA) -lysozyme (LYS), and investigated the relationship between co-aggregation and co-gelation. We focused on the formation of OVA-LYS complex, the typical thermo-dynamically favored coacervation process, in terms of gelling properties, microstructure and thermodynamics. Benefited from synergistic effects during co-gelation, the thermally induced gels of OVA-LYS complex formed at extremely low protein concentration (18 mg/mL) and showed higher storage modulus with increasing LYS concentration. Moreover, the rising particle size, reduced zeta potential, unordered secondary structure and strengthened protein chain were observed with the addition of LYS. Remarkably, the divalent ions enhanced thermodynamic stability of OVA-LYS complex, although the growth of aggregates units were prevented by ions at room temperature. ITC and molecular docking analyses revealed the binding affinity stoichiometry and combination phase, which were closely related to the decrease of minimum energy resulted from the formation of hydrogen bond.
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Affiliation(s)
- Jingbo Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
| | - Hongyu Jiang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Min Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Meng Yang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Ting Zhang
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
| | - Zhiyang Du
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Menglei Xu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China; China State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China.
| | - Xuanting Liu
- Jilin Provincial Key Laboratory of Nutrition and Functional Food and College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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