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Wang K, Li C, Zhu M, Zhang W, Yuan J, Liu X, Ma J, Wang Z, Zhou Y, Zhu Q, Jin Y, Liu Y. Redistribution and fusion of protein-lipid assemblies within the egg yolk sphere under slight non-destructive deformation causing a change in thermal gel properties. Food Chem 2024; 460:140577. [PMID: 39094341 DOI: 10.1016/j.foodchem.2024.140577] [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: 04/10/2024] [Revised: 06/21/2024] [Accepted: 07/21/2024] [Indexed: 08/04/2024]
Abstract
Egg yolk production processed after separating egg white is a common method to shorten cycle, but its taste quality will change even the vitelline membrane is intact. This might be related to the slight non-destructive deformation causing redistribution and fusion of protein-lipid assemblies within the egg yolk spheres. We investigated the mechanism of the change in thermal gel properties under slight deformation. The results of microscopic structural morphology revealed that the whole boiled egg yolk (WEY) underwent a transition in protein-lipid assembly morphology within yolk spheres, which changed from local aggregation to disordered fusion in shaken boiled egg yolks (SEYs). The spectroscopic and physicochemical properties analysis demonstrated that the redistribution of protein-lipid assemblies gave rise to marked changes in water migration, texture properties, molecular interactions, and oral sensation simulation of egg yolk thermal gels. This is benefit to guide the regulation of the taste quality egg yolk products in industry.
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Affiliation(s)
- Keshan Wang
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Chan Li
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Min Zhu
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Wenxin Zhang
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Jing Yuan
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Xiaoli Liu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China
| | - Jiaxuan Ma
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China
| | - Zhengcong Wang
- College of Economics and Management, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Ying Zhou
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Qiujin Zhu
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Yongguo Jin
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, PR China.
| | - Yuanyuan Liu
- Guizhou Province Key Laboratory of Agricultural and Animal Products Storage and Processing, College of Liquor and Food Engineering, Guizhou University, Guiyang, Guizhou, 550025, China.
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2
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Xu X, Li Z, Tang Q, Chen B, Jin H, Yang Y, Shu D, Cai Z, Sheng L. Exploring xylitol as a low-salt alternative for effective inhibition of gelation in frozen egg yolks. Food Chem 2024; 436:137681. [PMID: 37826897 DOI: 10.1016/j.foodchem.2023.137681] [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: 07/23/2023] [Revised: 09/25/2023] [Accepted: 10/04/2023] [Indexed: 10/14/2023]
Abstract
Xylitol and NaCl were studied as alternative inhibitors of gelation in frozen egg yolks, considering the current dietary preference for low salt and low sucrose intake. The effects of different ratios of xylitol and NaCl on gelation were investigated. Compared to the control group, all treatment groups showed decreased egg yolk particle size and turbidity, increased solubility, surface hydrophobicity, λmax, and fluorescence intensity, reduced loss of free water, and enhanced yolk fluidity. The addition of xylitol and NaCl effectively prevented ice crystal growth, minimized protein denaturation caused by water loss, and formed complexes with proteins and water lost during freezing, thereby inhibiting the aggregation of protein molecules and the formation of gels. This study presents a novel and healthier strategy for inhibiting gelation of frozen egg yolk using xylitol and NaCl.
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Affiliation(s)
- Xiaoli Xu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Zhe Li
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qinyue Tang
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Bao Chen
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Haobo Jin
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yaqin Yang
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Dewei Shu
- Zaozhuang Key Laboratory of Egg Nutrition and Health, Zaozhuang Jensur Bio-pharmaceutical Co., Ltd, Shandong 277000, China
| | - Zhaoxia Cai
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
| | - Long Sheng
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Wuhan 430070, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China.
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3
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Zarif B, Shabbir S, Shahid R, Noor T, Imran M. Proteosomes based on milk phospholipids and proteins to enhance the stability and bioaccessibility of β-carotene. Food Chem 2023; 429:136841. [PMID: 37459709 DOI: 10.1016/j.foodchem.2023.136841] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 06/16/2023] [Accepted: 07/06/2023] [Indexed: 08/24/2023]
Abstract
Proteosomes (P) based on milk fat globule membrane's phospholipids (MPs), whey protein isolate (WPI) and sodium caseinate (CasNa) were developed by ultrasonication to encapsulate β-carotene. Entirely milk-ingredients based proteosomes (WPI-MPs-P and CasNa-MPs-P) revealed homogenous distribution with size diameters < 250 nm. WPI-MPs-P depicted positive ζ-potential values (+15.7 ± 0.5 mV), while CasNa-MPs-P demonstrated negative (-32.5 ± 3.4 mV) values of surface charge, respectively and hydrophilic nature of proteosomes was observed by measuring contact-angle (θ). AFM and SEM exhibited spherical to oval and slightly irregular morphology of nanocarriers. For various concentrations of β-carotene, the highest encapsulation efficiency of β-carotene was 90 ± 0.2% and 92 ± 0.8% in WPI-MPs-P and CasNa-MPs-P respectively. FTIR analyses confirmed the hydrophobic and electrostatic interactions-based encapsulation of β-carotene. Beneficial antioxidant-potential of β-carotene was retained after its encapsulation in the proteosomes. Proteosomes increased the digestive-stability (>50%) and bioaccessibility (>85%) of β-carotene. Thus, milk-ingredients based proteosomes offer a novel-strategy to develop functional dairy products to overcome widespread vitamin-A-deficiency.
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Affiliation(s)
- Bina Zarif
- Department of Biosciences, Faculty of Science, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Saima Shabbir
- Department of Materials Science and Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
| | - Ramla Shahid
- Department of Biosciences, Faculty of Science, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan
| | - Tayyaba Noor
- School of Chemical and Materials Engineering (SCME), National University of Science and Technology (NUST), Islamabad, Pakistan
| | - Muhammad Imran
- Department of Biosciences, Faculty of Science, COMSATS University Islamabad (CUI), Park Road, Islamabad, Pakistan.
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4
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Chen D, Liu Y, Xu S. Supplemental methionine selenium effects on egg yolk physicochemical, functional, and protein structure during storage. Front Nutr 2023; 10:1207754. [PMID: 37342548 PMCID: PMC10277728 DOI: 10.3389/fnut.2023.1207754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 05/17/2023] [Indexed: 06/23/2023] Open
Abstract
To clarify the effect of the addition of methionine selenium on the physicochemical, functional, and protein structural properties of egg yolk during storage. We analyzed the changes in the main indicators of egg yolks stored at 4°C and 25°C for 28 days. The results showed that the increase in water content and pH, and the decrease in absolute zeta potential and apparent viscosity of the selenium-rich egg yolks (Se-group) during storage were smaller than those of the control group egg yolks (C-group). In addition, the antioxidant capacity and emulsifying ability of the Se-group during storage were better than those of the C-group. Simultaneously, the hardness and chewiness of the Se-group gel during storage were lower than those of the C-group. The protein structure results showed that selenium rich treatment did not affect the secondary structure of egg yolk protein during storage but could improve the fluorescence intensity of the egg yolk protein. Therefore, the addition of methionine selenium can reduce the degree of deterioration in the physicochemical properties of egg yolk during storage and extend its shelf life.
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Affiliation(s)
- Dan Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yaotong Liu
- College of Food Science, Northeast Agricultural University, Harbin, China
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
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5
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The thermal behavior of egg yolk involves lipoprotein instability. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2022.111370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Suhag R, Dhiman A, Prabhakar PK, Sharma A, Singh A, Upadhyay A. Microfluidization of liquid egg yolk: Modelling of rheological characteristics and interpretation of flow behavior under a pipe flow. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Lv X, Huang X, Ma B, Chen Y, Batool Z, Fu X, Jin Y. Modification methods and applications of egg protein gel properties: A review. Compr Rev Food Sci Food Saf 2022; 21:2233-2252. [PMID: 35293118 DOI: 10.1111/1541-4337.12907] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/24/2021] [Accepted: 12/22/2021] [Indexed: 01/11/2023]
Abstract
Egg protein (EP) has a variety of functional properties, such as gelling, foaming, and emulsifying. The gel characteristics provide a foundation for applications in the food industry and research on EP. The proteins denature and aggregate to form a dense three-dimensional gel network structure, with a process influenced by protein concentration, pH, ion type, and strength. In addition, the gelation properties of EP can be altered to varying degrees by applying different treatment conditions to EP. Currently, modification methods for proteins include physical modification (heat-induced denaturation, freeze-thaw modification, high-pressure modification, and ultrasonic modification), chemical modification (glycosylation modification, phosphorylation modification, acylation modification, ethanol modification, polyphenol modification), and biological modification (enzyme modification). Pidan, salted eggs, egg tofu, and other egg products have unique sensory properties, due to the gel properties of EP. In accessions, EP has also been used as a new ingredient in food packaging and biopharmaceuticals due to its gel properties. This review will further promote EP gel research and provide guidance for its full application in many fields.
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Affiliation(s)
- Xiaohui Lv
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xi Huang
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Bin Ma
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yue Chen
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Zahra Batool
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xing Fu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yongguo Jin
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
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8
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Gaikwad PS, Sarma C, Negi A, Pare A. Alternate Food Preservation Technology. Food Chem 2021. [DOI: 10.1002/9781119792130.ch10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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9
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Wang R, Ma Y, Zhang L, Zhang Z, Chi Y, Chi Y. Changes in egg yolk gelation behaviour and mechanisms during freezing. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Modi B, Timilsina H, Bhandari S, Achhami A, Pakka S, Shrestha P, Kandel D, GC DB, Khatri S, Chhetri PM, Parajuli N. Current Trends of Food Analysis, Safety, and Packaging. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2021; 2021:9924667. [PMID: 34485507 PMCID: PMC8410450 DOI: 10.1155/2021/9924667] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Accepted: 08/07/2021] [Indexed: 12/22/2022]
Abstract
Food is a basic necessity for life, growth, survival, and maintaining a proper body function. Rising food demand leads both producers and consumers to search for alternative food sources with high nutritional value. However, food products may never be completely safe. The oxidation reaction may alter both the physicochemical and immunological properties of food products. Maillard and caramelization nonenzymatic browning reactions can play a pivotal role in food acceptance through the ways they influence quality factors such as flavor, color, texture, nutritional value, protein functionality, and digestibility. There is a multitude of adulterated foods that portray adverse risks to the human condition. To maintain food safety, the packaging material is used to preserve the quality and freshness of food products. Food safety is jeopardized by plenty of pathogens by the consumption of adulterated food resulting in multiple foodborne illnesses. Though different analytical tools are used in the analysis of food products, yet, adulterated food has repercussions for the community and is a growing issue that adversely impairs human health and well-being. Thus, pathogenic agents' rapid and effective identification is vital for food safety and security to avoid foodborne illness. This review highlights the various analytical techniques used in the analysis of food products, food structure, and quality of food along with chemical reactions in food processing. Moreover, we have also discussed the effect on health due to the consumption of adulterated food and focused on the importance of food safety, including the biodegradable packaging material.
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Affiliation(s)
- Bindu Modi
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Hari Timilsina
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Sobika Bhandari
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Ashma Achhami
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Sangita Pakka
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Prakash Shrestha
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Devilal Kandel
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Dhan Bahadur GC
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Sabina Khatri
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
| | - Pradhumna Mahat Chhetri
- Department of Chemistry, Amrit Campus, Tribhuvan University, Leknath Marg, Kathmandu 44600, Nepal
| | - Niranjan Parajuli
- Biological Chemistry Lab, Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu 44618, Nepal
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Fei T, Leyva-Gutierrez FM, Wan Z, Wang T. Gelation inhibiting additives and freezing impact rheological, thermal, and microstructural properties of yolk. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Freeze-thaw treatment assists isolation of IgY from chicken egg yolk. Food Chem 2021; 364:130225. [PMID: 34174650 DOI: 10.1016/j.foodchem.2021.130225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/23/2022]
Abstract
In this study, the effect of freeze-thaw treatment on isolation of IgY was investigated, with macrograph, protein concentration, solid content, and transmittance evaluated. The results showed that higher refrigeration power (at -18 °C for more than 4 h and -40 °C for more than 2 h) caused yolk gelation and was helpful for removing heteroproteins. To reveal the mechanism of freeze-induced gelation assisting isolation of IgY, the properties of yolk frozen at -5°C, -18 °C and -40 °C for 8 h were determined, with SDS-PAGE, rheology property, low field NMR and interactions between proteins evaluated. As the results showed, the purity of separated IgY increased obviously (frozen at -18 °C and -40 °C), corresponding to the removal of LDL which aggregated during freezing. LDL aggregation may be triggered by hydrophobic interaction during boundary water crystallization. Therefore, freeze-induced yolk gelation is beneficial for IgY isolation by keeping LDL in dense gel structure while releasing IgY to the supernatant.
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Nooshkam M, Varidi M. Physicochemical stability and gastrointestinal fate of β-carotene-loaded oil-in-water emulsions stabilized by whey protein isolate-low acyl gellan gum conjugates. Food Chem 2021; 347:129079. [PMID: 33493834 DOI: 10.1016/j.foodchem.2021.129079] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 01/03/2021] [Accepted: 01/07/2021] [Indexed: 12/25/2022]
Abstract
This study aimed to examine the effect of whey protein isolate-low acyl gellan gum (WPI-GG) conjugate on the physicochemical properties and digestibility of β-carotene-loaded oil-in-water emulsions. The WPI-GG conjugate-stabilized emulsions had lower droplet sizes with more homogenous distribution, more negative surface charge, and higher interfacial protein concentration and viscosity, compared to those stabilized by WPI-GG mixture and WPI. The emulsion droplets coated by the conjugate were also generally more stable to environmental stresses (i.e., storage, pH changes, ionic strength, freeze-thaw cycles, and thermal treatment) along with higher β-carotene retention than other systems. The stability to droplet aggregation during in vitro digestion was remarkably increased for the conjugate-stabilized emulsion. However, the β-carotene bioaccessibility was significantly affected when the conjugate was used to stabilize the emulsions, likely due to the thick interfacial layer, high viscosity, and negative charge of the corresponding emulsions that could inhibit droplet digestion and mixed micelle formation.
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Affiliation(s)
- Majid Nooshkam
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad (FUM), Mashhad, Iran
| | - Mehdi Varidi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad (FUM), Mashhad, Iran.
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