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Jain S, Zhong Q. Enhancing the functionality of pea proteins by conjugation with propylene glycol alginate via transacylation reaction assisted with ultrasonication. Food Chem 2024; 449:139179. [PMID: 38574527 DOI: 10.1016/j.foodchem.2024.139179] [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: 11/01/2023] [Revised: 03/05/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024]
Abstract
Pea proteins lack the desirable functional characteristics for food and beverage applications. In this study, transacylation reaction assisted with ultrasonication was used to glycate pea proteins with propylene glycol alginate to enhance their functional properties. The reaction was carried out at pH 11.0 for different pea protein isolate: propylene glycol alginate mass ratios and time durations in a sonic bath at 40 °C. Glycation was confirmed in gel electrophoresis, and ultrasonication enhanced the glycation, with optimal degrees of glycation observed at 45 min reaction time and mass ratios of 2:1 (37.73%) and 1:1 (35.96%). The transacylation reaction increased random coil content of pea proteins by 28% and enhanced their solubility by 2.02 times at pH 7.0, water holding capacity by >50% at pH 7.0, foaming properties, emulsifying properties, and heat stability. This study offers a novel approach that can enhance functionality and applicability of pea proteins.
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Affiliation(s)
- Surangna Jain
- Department of Food Science, University of Tennessee, Knoxville, TN, USA.
| | - Qixin Zhong
- Department of Food Science, University of Tennessee, Knoxville, TN, USA.
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2
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Li Y, Zhou L, Zhou W, Zhang H, Qin X, Liu G. Whey protein isolate and inulin-glycosylated conjugate affect the physicochemical properties and oxidative stability of pomegranate seed oil emulsion. Food Chem 2024; 444:138649. [PMID: 38330610 DOI: 10.1016/j.foodchem.2024.138649] [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: 11/29/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Glycosylated protein was obtained by the reaction of whey protein isolate(WPI) with inulin of different polymerization degrees and was used to stabilize a pomegranate seed oil emulsion. The physicochemical and antioxidative properties of the emulsions were assessed, and the impacts of accelerated oxidation on pomegranate seed oil were examined. The interfacial tension of WPI and short-chain inulin (SCI)-glycosylated conjugate (WPI-SCI) gradually decreased with increasing glycosylation reaction time. Emulsions stabilized by WPI-SCI (72 h) were the most stable, with a thick interfacial film on the surface of the droplets. After accelerated oxidation for 72 h, WPI-SCI inhibited the oxidation of oil in the emulsion. GC-IMS results showed that the production of harmful volatile components in oil was inhibited, and the peroxide strength was less than 30 mmol/kg oil. This study contributes to understanding of stable storage of lipids.
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Affiliation(s)
- Yaochang Li
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lian Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Wenhao Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Haizhi Zhang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China
| | - Xinguang Qin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China.
| | - Gang Liu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Key Laboratory for Deep Processing of Major Grain and Oil (Wuhan Polytechnic University), Ministry of Education 430023, China
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3
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Manning MC, Holcomb RE, Payne RW, Stillahn JM, Connolly BD, Katayama DS, Liu H, Matsuura JE, Murphy BM, Henry CS, Crommelin DJA. Stability of Protein Pharmaceuticals: Recent Advances. Pharm Res 2024:10.1007/s11095-024-03726-x. [PMID: 38937372 DOI: 10.1007/s11095-024-03726-x] [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: 03/25/2024] [Accepted: 06/03/2024] [Indexed: 06/29/2024]
Abstract
There have been significant advances in the formulation and stabilization of proteins in the liquid state over the past years since our previous review. Our mechanistic understanding of protein-excipient interactions has increased, allowing one to develop formulations in a more rational fashion. The field has moved towards more complex and challenging formulations, such as high concentration formulations to allow for subcutaneous administration and co-formulation. While much of the published work has focused on mAbs, the principles appear to apply to any therapeutic protein, although mAbs clearly have some distinctive features. In this review, we first discuss chemical degradation reactions. This is followed by a section on physical instability issues. Then, more specific topics are addressed: instability induced by interactions with interfaces, predictive methods for physical stability and interplay between chemical and physical instability. The final parts are devoted to discussions how all the above impacts (co-)formulation strategies, in particular for high protein concentration solutions.'
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Affiliation(s)
- Mark Cornell Manning
- Legacy BioDesign LLC, Johnstown, CO, USA.
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA.
| | - Ryan E Holcomb
- Legacy BioDesign LLC, Johnstown, CO, USA
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | - Robert W Payne
- Legacy BioDesign LLC, Johnstown, CO, USA
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | - Joshua M Stillahn
- Legacy BioDesign LLC, Johnstown, CO, USA
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
| | | | | | | | | | | | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, CO, USA
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4
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Wang L, Wang L, Wang N, Song C, Wen C, Yan C, Song S. Fucoidan alleviates the inhibition of protein digestion by chitosan and its oligosaccharides. Int J Biol Macromol 2024; 269:132072. [PMID: 38705339 DOI: 10.1016/j.ijbiomac.2024.132072] [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: 12/08/2023] [Revised: 02/13/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Chitosan (CTS) and chitosan oligosaccharides (COS) have been widely applied in food industry due to their bioactivities and functions. However, CTS and COS with positive charges could interact with proteins, such as whey protein isolate (WPI), influencing their digestion. Interaction among CTS/COS, FUC, and WPI/enzymes was studied by spectroscopy, chromatography, and chemical methods in order to reveal the role of FUC in relieving the inhibition of protein digestibility by CTS/COS and demonstrate the action mechanisms. As shown by the results, the addition of FUC increased degree of hydrolysis (DH) and free protein in the mixture of CTS and WPI to 3.1-fold and 1.8-fold, respectively, while raise DH value and free protein in the mixture of COS and WPI to 6.7-fold and 1.2-fold, respectively. The interaction between amino, carboxyl, sulfate, and hydroxyl groups from carbohydrates and protein could be observed, and notably, FUC could interact with CTS/COS preferentially to prevent CTS/COS from combining with WPI. In addition, the addition of FUC could also relieve the combination of CTS to trypsin, increasing the fluorescence intensity and concentration of trypsin by 83.3 % and 4.8 %, respectively. Thus, the present study demonstrated that FUC could alleviate the inhibitory effect of CTS/COS on protein digestion.
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Affiliation(s)
- Linlin Wang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Lilong Wang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Nan Wang
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Chen Song
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Chengrong Wen
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Chunhong Yan
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
| | - Shuang Song
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Liaoning Key Laboratory of Food Nutrition and Health, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China.
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5
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Agustinisari I, Mulia K, Harimurti N, Nasikin M, Rienoviar, Herawati H, Manalu LP. The Potency of Maillard Conjugates Containing Whey Protein as Natural Emulsifier. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2024; 2024:3254132. [PMID: 38962097 PMCID: PMC11222009 DOI: 10.1155/2024/3254132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 04/09/2024] [Accepted: 04/26/2024] [Indexed: 07/05/2024]
Abstract
There is a continued need for the advancement of natural emulsifiers to replace synthetic emulsifiers, driven by human health concerns. This study is aimed at producing protein-polysaccharide conjugates through the Maillard reaction and at evaluating its ability as an emulsifier based on its emulsifying properties. The proteins used in this study were bovine milk whey protein and soy protein isolates, while the polysaccharides were maltodextrin and pectin. The protein-polysaccharide conjugation used a Maillard reaction under dry heating conditions. The protein and polysaccharide mass ratios were 1 : 2 and 1 : 3. The results showed that the types of proteins and polysaccharides and their mass affect the surface tension of the conjugate products. Whey protein-pectin conjugates with a mass ratio of 1 : 2 and a concentration of 1% had the lowest surface tension at 43.77 dyne/cm2. This conjugate sample also showed the highest emulsifying index at 27.20 m2/g. The conjugate powder containing pectin as a polysaccharide showed better emulsifying activity than that of those containing maltodextrin. However, the smallest droplet size of the emulsion (256.5 nm) resulted from the emulsification process using whey protein-maltodextrin conjugates as an emulsifier. The FTIR and gel electrophoresis (SDS-PAGE) analysis confirmed the conjugation formation. In general, protein-polysaccharide conjugates containing whey protein could potentially act as a natural emulsifier for food.
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Affiliation(s)
- Iceu Agustinisari
- Research Center for AgroindustryNational Research and Innovation AgencyKST Soekarno Cibinong, Jl. Raya Jakarta-Bogor KM 46, Cibinong 16911, Indonesia
| | - Kamarza Mulia
- Department of Chemical EngineeringUniversitas Indonesia, Depok 16424, Indonesia
| | - Niken Harimurti
- Research Center for AgroindustryNational Research and Innovation AgencyKST Soekarno Cibinong, Jl. Raya Jakarta-Bogor KM 46, Cibinong 16911, Indonesia
| | - Mohammad Nasikin
- Department of Chemical EngineeringUniversitas Indonesia, Depok 16424, Indonesia
| | - Rienoviar
- Research Center for AgroindustryNational Research and Innovation AgencyKST Soekarno Cibinong, Jl. Raya Jakarta-Bogor KM 46, Cibinong 16911, Indonesia
| | - Heny Herawati
- Research Center for AgroindustryNational Research and Innovation AgencyKST Soekarno Cibinong, Jl. Raya Jakarta-Bogor KM 46, Cibinong 16911, Indonesia
| | - Lamhot Parulian Manalu
- Research Center for AgroindustryNational Research and Innovation AgencyKST Soekarno Cibinong, Jl. Raya Jakarta-Bogor KM 46, Cibinong 16911, Indonesia
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6
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Qin YQ, Fan YG, Ren JN, Wang LY, Han NF, Fan G. Structural and functional properties of whey protein isolate-inulin conjugates prepared with ultrasound or wet heating method. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38655901 DOI: 10.1002/jsfa.13549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/25/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Whey protein isolate (WPI) generally represents poor functional properties such as thermal stability, emulsifying activity and antioxidant activity near its isoelectric point or high temperatures, which limit its application in the food industry. The preparation of WPI-polysaccharide covalent conjugates based on Maillard reaction is a promising method to improve the physical and chemical stability and functional properties of WPI. In this research, WPI-inulin conjugates were prepared through wet heating method and ultrasound method and their structural and functional properties were examined. RESULTS In conjugates, the free amino acid content was reduced, the high molecular bands were emerged at sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), new C-N bonds were formed in Fourier-transform infrared (FTIR) spectroscopy, and fluorescence intensity was reduced compared with WPI. Furthermore, the result of circular dichroism (CD) spectroscopy also showed that the secondary structure of conjugates was changed. Conjugates with ultrasound treatment had better structural properties compared with those prepared by wet heating treatment. The functional properties such as thermal stability, emulsifying activity index (EAI), emulsion stability (ES) and antioxidant activity of conjugates with wet heating treatment were significantly improved compared with WPI. The EAI and ES of conjugates with ultrasound treatment were the highest, but the thermal stability and antioxidant activity were only close to that of the conjugates with wet heating treatment for 2 h. CONCLUSION This study revealed that WPI-inulin conjugates prepared with ultrasound or wet heating method not only changed the structural characteristics of WPI but also could promote its functional properties including thermal stability, EAI, ES and antioxidant activity. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Yu-Qing Qin
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, China
| | - Yan-Ge Fan
- Institute of Chemistry Co. Ltd, Henan Academy of Sciences, Zhengzhou, China
| | - Jing-Nan Ren
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, China
| | - Liu-Yan Wang
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, China
| | - Nan-Feng Han
- Institute of Chemistry Co. Ltd, Henan Academy of Sciences, Zhengzhou, China
| | - Gang Fan
- College of Food Science and Technology, Huazhong Agricultural University, Key Laboratory of Environment Correlative Dietology of Ministry of Education, Wuhan, China
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7
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Fu Y, Li Y, Everett DW, Weng S, Zhai Y, Wang M, Li T. Octenyl succinic anhydride-modified amyloid protein fibrils demonstrate enhanced ice recrystallization inhibition activity and dispersibility. Int J Biol Macromol 2023; 252:126439. [PMID: 37611688 DOI: 10.1016/j.ijbiomac.2023.126439] [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: 06/03/2023] [Revised: 08/13/2023] [Accepted: 08/18/2023] [Indexed: 08/25/2023]
Abstract
Octenyl succinic anhydride (OSA) modification of amyloid proteins fibrils (APFs) was employed to improve dispersibility and ice recrystallization inhibition activity. OSA mainly reacted with the amino groups of APFs without significantly changing morphology. OSA-modified APFs (OAPFs) had lower pI, carried more negative charges, and were more hydrophobic. OSA-modification showed a pH-dependent effect on the dispersibility of fibrils. At pH 7.0, OSA-modification improved dispersibility and inhibited heat-induced gelation of fibrils at weakened electrostatic repulsion. OAPFs were more prone to aggregation with lower dispersity at acidic pH values and demonstrated stronger IRI activity than unmodified fibrils at pH 7.0. Our findings indicate OSA-modification favors the industrial application of APFs as an ice recrystallization inhibitor with enhanced dispersibility.
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Affiliation(s)
- Yuying Fu
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yuan Li
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - David W Everett
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China; AgResearch, Palmerston North, New Zealand; Riddet Institute, Palmerston North, New Zealand
| | - Shuni Weng
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Yun Zhai
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Mengtin Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Teng Li
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China.
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8
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Han G, Zhao S, Liu Q, Xia X, Chen Q, Liu H, Kong B. High-intensity ultrasound combined with glycation enhances the thermal stability and in vitro digestion behaviors of myofibrillar protein aqueous solution. Int J Biol Macromol 2023; 251:126301. [PMID: 37573906 DOI: 10.1016/j.ijbiomac.2023.126301] [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: 04/30/2023] [Revised: 08/08/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
The low thermal stability of myofibrillar proteins (MPs) is a technological barrier to them being applied in beverage formulas. In this study, we investigated the effect of high-intensity ultrasound (HIU) pretreatment combined with glycation on the thermal stability, structural characteristics, and in vitro digestion behavior of MPs in water. The results indicated that HIU pretreatment combined with glycation significantly inhibited thermal aggregation and reduced the particle size of MPs compared to using either HIU or glycation treatments individually. The grafting of dextran (DX) shielded the sulfhydryl (-SH) and hydrophobic groups and inhibited disulfide bond cross-linking and hydrophobic association. Moreover, HIU pretreatment facilitated the shielding effect of glycation by destroying the filamentous myosin structure and exposing the internal -SH and hydrophobic groups as well as the grafting sites, maximally inhibiting thermal aggregation. In addition, the smaller protein particles and more flexible structure caused by HIU pretreatment combined with glycation increased their binding affinity toward protease. Overall, these findings can promote the technological development of modulating the MP structure-digestion for formulating novel meat protein-based products.
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Affiliation(s)
- Ge Han
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Siqi Zhao
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Haotian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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Li Y, Zhou L, Zhang H, Liu G, Qin X. Preparation, Characterization and Antioxidant Activity of Glycosylated Whey Protein Isolate/Proanthocyanidin Compounds. Foods 2023; 12:foods12112153. [PMID: 37297399 DOI: 10.3390/foods12112153] [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: 02/10/2023] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 06/12/2023] Open
Abstract
A glycosylated protein/procyanidin complex was prepared by self-assembly of glycosylated whey protein isolate and proanthocyanidins (PCs). The complex was characterized through endogenous fluorescence spectroscopy, polyacrylamide gel electrophoresis, Fourier infrared spectroscopy, oil-water interfacial tension, and transmission electron microscopy. The results showed that the degree of protein aggregation could be regulated by controlling the added amount of procyanidin, and the main interaction force between glycosylated protein and PCs was hydrogen bonding or hydrophobic interaction. The optimal binding ratio of protein:PCs was 1:1 (w/w), and the solution pH was 6.0. The resulting glycosylated protein/PC compounds had a particle size of about 119 nm. They exhibited excellent antioxidant and free radical-scavenging abilities. Moreover, the thermal denaturation temperature rose to 113.33 °C. Confocal laser scanning microscopy (CLSM) images show that the emulsion maintains a thick interface layer and improves oxidation resistance with the addition of PCs, increasing the application potential in the functional food industry.
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Affiliation(s)
- Yaochang Li
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lian Zhou
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Haizhi Zhang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Key Laboratory for Deep Processing of Major Grain and Oil, Wuhan Polytechnic University, Ministry of Education, Wuhan 430023, China
| | - Gang Liu
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Key Laboratory for Deep Processing of Major Grain and Oil, Wuhan Polytechnic University, Ministry of Education, Wuhan 430023, China
| | - Xinguang Qin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
- Key Laboratory for Deep Processing of Major Grain and Oil, Wuhan Polytechnic University, Ministry of Education, Wuhan 430023, China
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Tao X, Chen C, Li Y, Qin X, Zhang H, Hu Y, Liu Z, Guo X, Liu G. Improving the antioxidant activity, in vitro digestibility and reducing the allergenicity of whey protein isolate by glycosylation with short-chain inulin and interaction with cyanidin-3-glucoside. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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11
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Tao X, Chen C, Li Y, Qin X, Zhang H, Hu Y, Liu Z, Guo X, Liu G. Improving the physicochemical stability of Pickering emulsion stabilized by glycosylated whey protein isolate/cyanidin-3-glucoside to deliver curcumin. Int J Biol Macromol 2023; 229:1-10. [PMID: 36586646 DOI: 10.1016/j.ijbiomac.2022.12.269] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022]
Abstract
Protein-polysaccharide-polyphenol delivery systems function as a promising tool to deliver bioactive ingredients aiming to improve their solubility and bioavailability. In this study, whey protein isolate (WPI), short-chain inulin (SCI), and cyanidin-3-glucoside (C3G) were first used to stabilize Pickering emulsions. The physicochemical properties and stability of curcumin encapsulated or not in Pickering emulsions were explored. Results showed that glycosylation and C3G reduced surface and interfacial tension on protein surfaces and inhibited the aggregation of emulsion droplets, thereby reducing the emulsion's particle size. WPI-SCI/C3G stabilized Pickering emulsion had the best stability. The CLSM results showed that the WPI-SCI and WPI-SCI/C3G stabilized emulsions were uniformly dispersed, suggesting that glycosylation and the interaction between protein and C3G enhanced the adsorption capacity of the interfacial protein and improved the stability of the Pickering emulsion. The retention rates of curcumin-loaded WPI-SCI- (67.34 %) and WPI-SCI/C3G- (77.07 %) stabilized Pickering emulsions on day 8 of storage were higher than those in WPI- (33.97 %) and WPI/C3G- (37.02 %) stabilized emulsions, and the degradation half-life was also extended from 7 days to >15 days. These findings provide a theoretical basis for the application of WPI Pickering emulsion and indicate a useful means for the delivery of bioactive components.
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Affiliation(s)
- Xiaoya Tao
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Cheng Chen
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, People's Republic of China
| | - Yaochang Li
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, People's Republic of China
| | - Xinguang Qin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, People's Republic of China
| | - Haizhi Zhang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, People's Republic of China
| | - Yuanyuan Hu
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Zhengqi Liu
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Xiaoming Guo
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, People's Republic of China
| | - Gang Liu
- Shenzhen Key Laboratory of Food Nutrition and Health, Institute for Innovative Development of Food Industry, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, People's Republic of China; College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, People's Republic of China.
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12
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Sabari S, Julmohammad N, Jahurul HAM, Matanjun P, Ab. Wahab N. In Vitro Infant Digestion of Whey Proteins Isolate-Lactose. Foods 2023; 12:foods12030667. [PMID: 36766193 PMCID: PMC9914322 DOI: 10.3390/foods12030667] [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: 11/24/2022] [Revised: 12/31/2022] [Accepted: 01/06/2023] [Indexed: 02/05/2023] Open
Abstract
The model in vitro protein digestion technique has received greater attention due to providing significant advantages compared to in vivo experiments. This research employed an in vitro infant digestive static model to examine the protein digestibility of whey proteins isolate-lactose (WPI-Lac). The polyacrylamide gel electrophoresis (PAGE) pattern for alpha-lactalbumin of WPI at 60 min showed no detectable bands, while the alpha-lactalbumin of the WPI-Lac was completely digested after 5 min of gastric digestion. The beta-lactoglobulin of the WPI-Lac was found to be similar to the beta-lactoglobulin of the WPI, being insignificant at pH 3.0. The alpha-lactalbumin of the WPI decreased after 100 min of duodenal digestion at pH 6.5, and the WPI-Lac was completely digested after 60 min. The peptides were identified as ~2 kilodalton (kDa) in conjugated protein, which indicated that the level of degradation of the protein was high, due to the hydrolysis progress. The conjugated protein increased the responsiveness to digestive proteolysis, potentially leading to the release of immunogenic protein by lactose, and to the creation of hypoallergenic protein.
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Affiliation(s)
- Sarizan Sabari
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Norliza Julmohammad
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
- Correspondence:
| | - Haque Akanda Md Jahurul
- Department of Agriculture, School of Agriculture, University of Arkansas, 1200 North University Dr., M/S 4913, Pine Bluff, AR 71601, USA
| | - Patricia Matanjun
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
| | - Noorakmar Ab. Wahab
- Faculty of Food Science and Nutrition, Universiti Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
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13
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Glycosylation of egg white protein with maltodextrin in the dry state: Changes in structural and gel properties. Food Chem 2023; 401:134113. [DOI: 10.1016/j.foodchem.2022.134113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 08/19/2022] [Accepted: 09/01/2022] [Indexed: 11/22/2022]
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14
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Zhang GY, Sun C, Song JR, Jin WY, Tang Y, Zhou DY, Song L. Glycation of whey protein isolate and stachyose modulates their in vitro digestibility: Promising prebiotics as functional ingredients. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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15
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Structure and functional properties of whey protein conjugated with carboxymethyl cellulose through maillard reaction. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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16
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Fundamental understanding of the role of gelatin in stabilizing milk protein systems during acidification. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.114187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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17
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Han G, Li Y, Liu Q, Chen Q, Liu H, Kong B. Improved water solubility of myofibrillar proteins by ultrasound combined with glycation: A study of myosin molecular behavior. ULTRASONICS SONOCHEMISTRY 2022; 89:106140. [PMID: 36041374 PMCID: PMC9440060 DOI: 10.1016/j.ultsonch.2022.106140] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/11/2022] [Accepted: 08/22/2022] [Indexed: 05/07/2023]
Abstract
The poor water solubility of myofibrillar proteins (MPs) limits their application in food industry, and is directly related to the molecular behavior associated with myosin assembly into filaments. This study aims to explore the effect of high-intensity ultrasound (HIU) combined with nonenzymatic glycation on the solubility, structural characteristics, and filament-forming behavior of MPs in low ionic strength media. The results showed that the HIU (200-400 W) application could promote the subsequent glycation reaction between MPs and dextran (DX) and interfere with the electrostatic balance between myosin rods, suppressing the formation of filamentous myosin polymers. Glycated MPs pretreated by 400 W HIU had the highest solubility, which corresponded to the smallest particle size, highest zeta potential, and optimum storage stability (P < 0.05). Structure analysis and microscopic morphology observations suggested that the loss of the MP superhelix and the depolymerization of filamentous polymers were the main mechanisms for MP solubilization. In conclusion, HIU combined with glycation can effectively improve the water solubility of MPs by destroying or suppressing the assembly of myosin molecules.
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Affiliation(s)
- Ge Han
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yuexin Li
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Haotian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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18
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Effect of glycation on physicochemical properties and volatile flavor characteristics of silver carp mince. Food Chem 2022; 386:132741. [PMID: 35339077 DOI: 10.1016/j.foodchem.2022.132741] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 10/09/2021] [Accepted: 03/16/2022] [Indexed: 11/24/2022]
Abstract
The purpose of this study was to explore the effect of glycation on physicochemical properties and volatile flavor characteristics of silver carp mince (SCM). The changes in the degree of grafting, chemical composition, pH, color, total amino acid composition, and volatile flavor compounds of SCM with or without glucose were studied at different heating times. The results showed that the addition of glucose could promote the glycation reaction rate of SCM. Lysine and cysteine were the main amino acids involved in glycation. Glycation enhanced the overall aroma of SCM by accelerating lipid oxidation and Strecker degradation. In conclusion, these results suggest that glycation can enhance the volatile flavor of SCM during thermal processing and can be used as a volatile flavor enhancement technology for the development of protein nutrition food with good flavor from low-value fish.
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19
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Han G, Xu J, Chen Q, Xia X, Liu H, Kong B. Improving the solubility of myofibrillar proteins in water by destroying and suppressing myosin molecular assembly via glycation. Food Chem 2022; 395:133590. [PMID: 35779510 DOI: 10.1016/j.foodchem.2022.133590] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 05/04/2022] [Accepted: 06/26/2022] [Indexed: 11/04/2022]
Abstract
Filamentous myosin is a self-assembling polymer that prevents myofibrillar proteins (MPs) from functioning in low ionic strength media. This study was aimed at investigating if glycation has the potential to improve the solubility of MPs in water. MPs were conjugated with monosaccharides, oligosaccharides, and polysaccharides under wet reaction conditions at 37 °C. The conjugation was verified by SDS-PAGE, FT-IR and amino acid analyses. MPs conjugated with dextran (DX) exhibited a higher solubility and dispersion stability in water, which corresponded to smaller particle size and more uniform distribution (P < 0.05). According to secondary and tertiary structure analyses, the loss of α-helix structures and unfolding of the MPs appear to be the main reasons for MP solubilization. Additionally, according to the zeta-potential, confocal laser scanning microscopy, and atomic force microscopy observation results, glycation can provide electrostatic repulsion or steric hindrance to disintegrate existing filamentous myosin aggregates and inhibit further self-assembly behavior.
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Affiliation(s)
- Ge Han
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Jianhang Xu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qian Chen
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xiufang Xia
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Haotian Liu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Baohua Kong
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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20
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Wu Q, Liang Y, Kong Y, Zhang F, Feng Y, Ouyang Y, Wang C, Guo Z, Xiao J, Feng N. Role of glycated proteins in vivo: Enzymatic glycated proteins and non-enzymatic glycated proteins. Food Res Int 2022; 155:111099. [DOI: 10.1016/j.foodres.2022.111099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/24/2022] [Accepted: 03/03/2022] [Indexed: 11/04/2022]
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21
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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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22
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Paul A, Gaiani C, Cvetkovska L, Paris C, Alexander M, Ray C, Francius G, EL-Kirat-Chatel S, Burgain J. Deciphering the impact of whey protein powder storage on protein state and powder stability. J FOOD ENG 2022. [DOI: 10.1016/j.jfoodeng.2022.111050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Liu J, Hu Y, Wei H, Shi W. Effect of glycation on protein structure, amino acid composition and digestibility of silver carp mince. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Junya Liu
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Yun Hu
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Huihui Wei
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
| | - Wenzheng Shi
- College of Food Science and Technology Shanghai Ocean University Shanghai 201306 China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai) Shanghai 201306 China
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24
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Hong S, Dia VP, Baek SJ, Zhong Q. Nanoencapsulation of apigenin with whey protein isolate: physicochemical properties, in vitro activity against colorectal cancer cells, and bioavailability. Lebensm Wiss Technol 2022; 154:112751. [PMID: 34840350 PMCID: PMC8612601 DOI: 10.1016/j.lwt.2021.112751] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Incorporating lipophilic phytochemicals with anti-cancer activities in functional beverages requires an appropriate nanoencapsulation technology. The present objective was to encapsulate apigenin with whey protein isolate (WPI) utilizing a pH-cycle method and subsequently characterize physicochemical properties, the in vitro anticancer activities against human colorectal HCT-116 and HT-29 cancer cells, and the in vivo bioavailability. Up to 2.0 mg/mL of apigenin was nanoencapsulated with 1.0 mg/mL WPI, with an encapsulation efficiency of up to 98.15% and loading capacity of up to 196.21 mg/g-WPI. Nanodispersions were stable during storage, and apigenin became amorphous after encapsulation. Nanoencapsulation and in vitro digestion did not reduce the anti-proliferative activity of apigenin. Nanoencapsulation of apigenin enhanced the cellular uptake, the pro-apoptotic effects, and the bioavailability in the mice's blood and colon mucosa when comparing to the unencapsulated apigenin. Therefore, the present work may be significant to incorporate lipophilic phytochemicals in functional beverages for disease prevention.
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Affiliation(s)
- Shan Hong
- Department of Food Science, The University of Tennessee, Knoxville, TN, USA
| | - Vermont P Dia
- Department of Food Science, The University of Tennessee, Knoxville, TN, USA
| | - Seung Joon Baek
- College of Veterinary Medicine, Seoul National University, Seoul 08826, South Korea
| | - Qixin Zhong
- Department of Food Science, The University of Tennessee, Knoxville, TN, USA,Corresponding Author: Department of Food Science, The University of Tennessee, 2510 River Drive, Knoxville, TN 37996, United States,
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25
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Impacts of preparation conditions on the structure and emulsifying properties of casein-alginate conjugates produced by transacylation reaction. Int J Biol Macromol 2022; 201:242-253. [PMID: 34998878 DOI: 10.1016/j.ijbiomac.2021.12.169] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/08/2021] [Accepted: 12/27/2021] [Indexed: 11/21/2022]
Abstract
The Maillard reaction is often used to glycate proteins but produces undesirable byproducts. In this study, the transacylation reaction was used for the first time to prepare protein-polysaccharide conjugates from sodium caseinate (NaCas) and propylene glycol alginate (PGA) as novel emulsifiers. By mixing NaCas and PGA (1% w/v) at mass ratios of 1:2, 1:1, and 2:1 for 2 h with pH maintained at 11.0, NaCas-alginate conjugates with 52.8%, 66.2%, and 76.5% NaCas were prepared, respectively. The purified conjugates resulted in the preparation of oil-in-water emulsions with a low surfactant-to-oil ratio of 0.75:100 (w:v), and the resultant emulsions were stable against environmental stresses of pH, ionic strength, and thermal pasteurization. Structural analyses showed the role of NaCas content in reducing droplet size and the role of the alginate moiety stabilizing oil droplets via the electrostatic and steric mechanisms. This work may be significant to prepare protein-polysaccharide conjugates with high emulsifying capacity and tunable functionalities using a scalable and green method.
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26
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Improved heat stability of recombined filled evaporated milk emulsions by wet heat pre-treatment of skim milk powder dispersions at different pH values. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Zhang L, Xiao Q, Wang Y, Hu J, Xiong H, Zhao Q. Effects of sequential enzymatic hydrolysis and transglutaminase crosslinking on functional, rheological, and structural properties of whey protein isolate. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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28
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Chen C, Shi K, Qin X, Zhang H, Chen H, Hayes DG, Wu Q, Hu Z, Liu G. Effect of interactions between glycosylated protein and tannic acid on the physicochemical stability of Pickering emulsions. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112383] [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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29
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Bull SP, Khutoryanskiy VV, Parker JK, Faka M, Methven L. Oral retention of thermally denatured whey protein: In vivo measurement and structural observations by CD and NMR. Food Chem 2021; 374:131650. [PMID: 34915364 DOI: 10.1016/j.foodchem.2021.131650] [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: 02/04/2020] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 11/04/2022]
Abstract
This study investigated structural changes and the in vivo retention in the oral cavity of heated whey protein concentrate (WPC). Heated WPC was shown to have both a higher retention time in the oral cavity compared to unheated whey protein up to 1 min post swallow, and a concomitant increase in free thiol concentration. Nuclear magnetic resonance and circular dichroism demonstrated structural changes in the secondary and tertiary structures of the WPC upon heating. Structural loss of the β-barrel was shown to increase during heating, leading to the exposure of hydrophobic regions. The increase in free thiols and hydrophobic regions are two factors which are known to increase mucoadhesive strength and hence increase oral retention of heated whey protein which may subsequently increase the perception of mouthdrying.
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Affiliation(s)
- Stephanie P Bull
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, Berks RG6 6AD, United Kingdom.
| | - Vitaliy V Khutoryanskiy
- Department of Pharmacy, University of Reading, Whiteknights, Reading, Berks RG6 6AD, United Kingdom.
| | - Jane K Parker
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, Berks RG6 6AD, United Kingdom.
| | - Marianthi Faka
- Volac International Ltd, 50 Fishers Lane, Orwell, Royston, Hertfordshire SG8 5QX, United Kingdom.
| | - Lisa Methven
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, Berks RG6 6AD, United Kingdom.
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30
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Li N, Zhong Q. Conjugation of α-, β-, and κ-Caseins with Propylene Glycol Alginate Using a Transacylation Reaction as Novel Emulsifiers. Biomacromolecules 2021; 22:4395-4407. [PMID: 34587744 DOI: 10.1021/acs.biomac.1c00971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Protein-polysaccharide conjugates usually have better emulsifying properties than their constituent biopolymers. In this study, casein-alginate conjugates were prepared using a transacylation reaction between different types of caseins and propylene glycol alginate (PGA) at pH 11.0. The purified conjugates had the combined molecular structure of casein and hydrolyzed PGA (alginate), according to Fourier-transform infrared spectroscopy, and α-, β-, and κ-casein-alginate conjugates had 39.17%, 37.78%, and 23.14% protein content, respectively. Emulsions were prepared with all the conjugates at a surfactant-to-oil ratio of 1:100 (w: (v), which is much lower than emulsions stabilized by Maillard-type protein-polysaccharide conjugates. The emulsions had high stability during storage and at wide pH (3.0-11.0) and ionic strength (0-450 mM) ranges. The interfacial tension of conjugate dispersions and therefore the droplet size were dependent on the protein content, not the casein type, while the polysaccharide moiety was critical to the emulsion stability. The present findings suggest a transacylation reaction can be used to prepare protein-alginate conjugates with novel emulsifying properties.
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Affiliation(s)
- Nan Li
- Department of Food Science, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Qixin Zhong
- Department of Food Science, The University of Tennessee, Knoxville, Tennessee 37996, United States
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31
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Wu J, Chen S, Wang T, Li H, Sedaghat Doost A, Van Damme EJ, De Meulenaer B, Van der Meeren P. Improved heat stability of recombined evaporated milk emulsions by wet heat pretreatment of skim milk powder dispersions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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32
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Attaribo T, Huang G, Xin X, Zeng Q, Zhang Y, Zhang N, Tang L, Sedjoah RCAA, Zhang R, Lee KS, Jin BR, Gui Z. Effect of the silkworm pupa protein-glucose conjugate on the thermal stability and antioxidant activity of anthocyanins. Food Funct 2021; 12:4132-4141. [PMID: 33978000 DOI: 10.1039/d1fo00333j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anthocyanin (cyanidin-3-O-glucose) is a natural water-soluble pigment with a robust antioxidant capacity. However, its poor stability and bioavailability limits its application as a functional food ingredient. This study explored the ability of the silkworm pupa protein-glucose (Spp-Glu) conjugate, developed under wet-heating conditions, to improve the thermal stability and antioxidant activity of cyanidin-3-O-glucose (C3G) at pH 3.0 and 6.8. The characterization experiments suggested that C3G complexed with the Spp-Glu conjugate could modify the protein's microenvironment and cause unfolding of the protein's secondary structures under varied pH conditions. Spectroscopic techniques further revealed the formation of complexes via hydrophobic interactions and static quenching processes when C3G was bound to Spp or Spp-Glu. The formation of these complexes effectively attenuated C3G degradation, thereby enhancing its stability under heat treatment over a range of pH values, and the experiments measuring antioxidant activity suggested that the Spp-Glu conjugate formed does not affect the efficacy of C3G after complexation. Therefore, our study suggests that Spp-Glu has the potential to effectively protect and deliver anthocyanins during industrial application for functional food formulation.
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Affiliation(s)
- Thomas Attaribo
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | - Gaiqun Huang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China. and Sericultural Research Institute, Sichuan Academy of Agricultural Sciences, Nanchong, Sichuan 637000, China
| | - Xiangdong Xin
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | - Qinlei Zeng
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | - Yueyue Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | - Ning Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | - Liumei Tang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China.
| | | | - Ran Zhang
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China. and Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212018, China
| | - Kwang Sik Lee
- College of Natural Resources and Life Science, Dong-A University, Busan 604-714, Korea
| | - Byung Rae Jin
- College of Natural Resources and Life Science, Dong-A University, Busan 604-714, Korea
| | - Zhongzheng Gui
- School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212018, China. and Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang, Jiangsu 212018, China
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33
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Liu G, Li W, Qin X, Zhong Q. Flexible protein nanofibrils fabricated in aqueous ethanol: Physical characteristics and properties of forming emulsions of conjugated linolenic acid. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106573] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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34
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Abstract
Glycation between proteins and sugars via the Maillard reaction has been shown to improve the heat stability of proteins. In this study, inulin, a healthy dietary fiber, was glycated with whey protein isolate (WPI), and the effects of reaction conditions were investigated. Conjugates were prepared by freeze-drying mixed WPI and inulin solutions at 1:1 to 6:1 WPI-to-inulin weight ratios followed by dry heating at 70, 75, or 80 °C for 12 to 72 h under uncontrolled, 44%, or 80% relative humidity. Heat stability was evaluated by turbidity, particle size, and rheological measurements. Degree of glycation was assessed by quantifying the loss of amino groups and the formation of the Amadori compounds. Results showed that conjugation led to improved heat stability, as shown by decreased turbidity and particle size as well as the ability to maintain the viscosity compared to control samples. Based on the loss of amino groups, the optimum glycation conditions were achieved with WPI–inulin mixtures at 2:1, 4:1, and 6:1 weight ratios and 80 °C temperature for 12 to 72 h without controlling the relative humidity. The improved heat stability could be due to an increase in negative charge as well as increased structural stabilization of the proteins. Under a limited degree of glycation, glycated WPI–inulin conjugates have great potential to be utilized as food ingredients, especially in the beverage industry.
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Wu J, Chen S, Sedaghat Doost A, A’yun Q, Van der Meeren P. Dry heat treatment of skim milk powder greatly improves the heat stability of recombined evaporated milk emulsions. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Liu H, Zhu X, Jiang Y, Sun‐Waterhouse D, Huang Q, Li F, Li D. Physicochemical and emulsifying properties of whey protein isolate (WPI)‐polydextrose conjugates prepared
via
Maillard reaction. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14994] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Hui Liu
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
| | - Xiaofei Zhu
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
| | - Yang Jiang
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
| | - Dongxiao Sun‐Waterhouse
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
- School of Chemical Sciences The University of Auckland Auckland1010New Zealand
| | - Qingrong Huang
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
- Department of Food Science Rutgers, The State University of New Jersey 65 Dudley Road New Brunswick NJ08901USA
| | - Feng Li
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
| | - Dapeng Li
- Key Laboratory of Food Processing Technology and Quality Control of Shandong Higher Education Institutes College of Food Science and Engineering Shandong Agricultural University Taian271018China
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37
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He W, Xiao N, Zhao Y, Yao Y, Xu M, Du H, Wu N, Tu Y. Effect of polysaccharides on the functional properties of egg white protein: A review. J Food Sci 2021; 86:656-666. [DOI: 10.1111/1750-3841.15651] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/11/2021] [Accepted: 01/24/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Wen He
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Nanhai Xiao
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Yan Zhao
- Engineering Research Center of Biomass Conversion Ministry of Education Nanchang University Nanchang 330047 China
- State Key Laboratory of Food Science and Technology Nanchang University Nanchang 330047 China
| | - Yao Yao
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Mingsheng Xu
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Huaying Du
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Na Wu
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
| | - Yonggang Tu
- Jiangxi Key Laboratory of Natural Products and Functional Food Jiangxi Agricultural University Nanchang 330045 China
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38
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Conjugation of milk proteins and reducing sugars and its potential application in the improvement of the heat stability of (recombined) evaporated milk. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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39
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Zhang M, Sun H, Liu Y, Wang Y, Piao C, Cai D, Wang Y, Liu J. Effect of pullulan concentration and pH on the interactions between whey protein concentrate and pullulan during gelation. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:659-665. [PMID: 32696453 DOI: 10.1002/jsfa.10678] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Whey protein concentrate (WPC)/pullulan (PUL) hydrogel is applied as a microencapsulation wall material to protect probiotics. However, the interactions between WPC and PUL during gelation have not been clarified. In the present study, the effects of PUL concentration and pH on the interactions between WPC and PUL during gelation were evaluated with respect to appearance, zeta-potential, sulfhydryl group amount, surface hydrophobicity and infrared spectroscopy measurements. The rheological properties of WPC/PUL gels were also determined. RESULTS The results obtained showed that a proper concentration (0.40 g mL-1 ) of PUL could improve the gel by enhancing the strength of hydrogen bonding, electrostatic interactions and exposure of hydrophobic groups, whereas too much PUL inhibited the formation of disulfide bonds. Furthermore, hydrophobic interactions, disulfide bonds and hydrogen bonds were destroyed in varying degrees under an alkaline environment. The rheological results also demonstrated a similar effect of PUL concentration and pH on the storage modulus (G') of WPC/PUL gels. CONCLUSION When the WPC/PUL gel was formed at PUL concentration of 0.40 g mL-1 and pH 7.0, the interaction between WPC and PUL could be enhanced, which is beneficial for the future application of WPC/PUL gels in the food industry. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Minghao Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Haiyue Sun
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Yankai Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Yu Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
| | - Chunhong Piao
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
- National Processing Laboratory for Soybean Industry and Technology, Changchun, China
| | - Dan Cai
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
- National Engineering Laboratory for Wheat and Corn Deep Processing, Changchun, China
| | - Yuhua Wang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
- National Processing Laboratory for Soybean Industry and Technology, Changchun, China
- National Engineering Laboratory for Wheat and Corn Deep Processing, Changchun, China
| | - Jingsheng Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun, China
- Jilin Province Innovation Center for Food Biological Manufacture, Jilin Agricultural University, Changchun, China
- National Engineering Laboratory for Wheat and Corn Deep Processing, Changchun, China
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40
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Wang WD, Chen C, Fu X. Glycation mechanism of lactoferrin-chitosan oligosaccharide conjugates with improved antioxidant activity revealed by high-resolution mass spectroscopy. Food Funct 2020; 11:10886-10895. [PMID: 33241822 DOI: 10.1039/d0fo02724c] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Glycosylation has a great effect on the antioxidant ability of proteins, which is due to the structural conformational change of peptides in the protein. In this study, a chitosan oligosaccharide (COS) was selected as the saccharide for glycation with lactoferrin (LF) by a wet-heat method, and a new stripe at a higher molecular zone in the gel of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and a change in the bond revealed by Fourier transform infrared (FT-IR) and fluorescence spectroscopy analyses were used to confirm that the chitosan oligosaccharide was successfully covalently bound to lactoferrin. The ABTS and oxygen radical absorbance capacity (ORAC) assays indicated that lactoferrin exhibited a stronger antioxidant activity after glycation with the chitosan oligosaccharide. High-resolution mass spectroscopy further illuminated the relationship of enhanced antioxidant capacity and structural conformational change of peptides in lactoferrin at a molecular level.
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Affiliation(s)
- Wen-Duo Wang
- School of Food Science and Engineering, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China.
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41
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Karbasi M, Sánchez-Ferrer A, Adamcik J, Askari G, Madadlou A, Mezzenga R. Covalent β-lactoglobulin-maltodextrin amyloid fibril conjugate prepared by the Maillard reaction. Food Chem 2020; 342:128388. [PMID: 33172603 DOI: 10.1016/j.foodchem.2020.128388] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 09/21/2020] [Accepted: 10/10/2020] [Indexed: 01/10/2023]
Abstract
The surface modification of β-lactoglobulin amyloid fibrils (AFs) was investigated by performing the Maillard reaction with the free anomeric carbon of the maltodextrin in water at pH 9.0 and 90 °C. The bonding of maltodextrin to fibrils was confirmed by determining the free amino group content and the presence of final products from the Maillard reaction. The secondary structure of AFs was preserved as observed by circular dichroism analysis. Atomic force microscopy evidenced that prolonged heat treatment caused hydrolysis of the attached polysaccharide and consequently lowered the height of the fibrils from 8.0 nm (after 1 h) to 6.0 nm (after 24 h), which led to the reduction of hydrophilicity of resulting conjugate. Increasing the reaction time, however, resulted in the improvement of colloidal stability and decrease in turbidity ascribed to the increment of glycation degree, as well as, a decrease in the isoelectric point of the protein-based supramolecular object.
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Affiliation(s)
- Mehri Karbasi
- Department of Food Science and Engineering, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran; Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.
| | | | - Jozef Adamcik
- Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Gholamreza Askari
- Department of Food Science and Engineering, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
| | - Ashkan Madadlou
- Food Quality and Design Group, Department of Agrotechnology and Food Sciences, Wageningen University and Research Centre, Wageningen, the Netherlands
| | - Raffaele Mezzenga
- Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland; Department of Materials, ETH Zurich, Zurich, Switzerland.
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42
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A’yun Q, Azzahrani IN, Huyst A, de Neve L, Martins JC, van Troys M, Hidayat C, Van der Meeren P. Heat stable whey protein stabilised O/W emulsions: Optimisation of the whey protein concentrate dry heat incubation conditions. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125192] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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43
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Wu J, Xu F, Wu Y, Xiong W, Pan M, Zhang N, Zhou Q, Wang S, Ju X, Wang L. Characterization and analysis of an oil-in-water emulsion stabilized by rapeseed protein isolate under pH and ionic stress. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:4734-4744. [PMID: 32458440 DOI: 10.1002/jsfa.10532] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 05/12/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Presently, identifying natural compounds as emulsifiers is a popular topic in the food industry. Rapeseed protein isolate (RPI) is a natural plant protein with excellent emulsifying properties, but it has not been systematically developed and utilized. RESULTS This study investigated the surface hydrophobicity, wettability, and protein solubility of RPI to further explain its emulsifying behavior in emulsion systems. Nanoemulsions stabilized by RPI at varying protein concentration, pH, and ionic strength were prepared. The size distribution, zeta potential, flocculation index, creaming index, microstructure, rheology, and protein secondary structure of emulsions were measured. The emulsion stabilized by 20 g L-1 RPI at pH 10.0, 200 mmol L-1 ionic strength revealed an appropriate droplet size of 555 nm and the most internal gel strength without creaming phenomenon. Circular dichroism spectroscopy showed a positive correlation between emulsion stability and α-helix ratio, indicating the environment factors affected emulsion stability by acting on its hydrogen bonds. CONCLUSIONS This study demonstrates that RPI is a practical emulsifier for stabilizing nanoemulsions. About 20 g L-1 RPI can stabilize 100 mL L-1 oil in water; stable emulsions can be formed at most pH conditions (except 7.0); ion addition will aggravate the emulsion flocculation, but also increase the internal gel strength. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Jin Wu
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Feiran Xu
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Ying Wu
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Wenfei Xiong
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Mengmeng Pan
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Na Zhang
- Collage of Food Science and Engineering, Harbin University of Commerce, Harbin, People's Republic of China
| | - Qi Zhou
- Oil Crops Research Institute of Chinese Academy of Agricultural Sciences, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Wuhan, China
| | - Shijie Wang
- Junlebao Dairy Co., Ltd, Shijiazhuang, China
| | - Xingrong Ju
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Lifeng Wang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
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44
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Zha F, Yang Z, Rao J, Chen B. Conjugation of Pea Protein Isolate via Maillard-Driven Chemistry with Saccharide of Diverse Molecular Mass: Molecular Interactions Leading to Aggregation or Glycation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:10157-10166. [PMID: 32820920 DOI: 10.1021/acs.jafc.0c04281] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Diverse saccharides are effectively grafted to pea protein isolate (PPI) through Maillard-driven chemistry. The development of conjugates (glyco-PPI) was validated by ultraviolet-visible spectroscopy, sodium dodecyl sulfate-polyacrylamide gel electrophoresis, and size exclusion chromatography-high performance liquid chromatography. The impact of covalent conjugation on color development, structural modification, solubility, thermal stability, and volatiles of glycoprotein was examined. The protein solubility was improved, while its thermal stability seemed to be negatively influenced. The principle proposed involves Maillard-driven generation of the conjugates, which enhanced the surface hydrophilicity and unfolding of protein architecture of glyco-PPI. Additionally, both molecular mass and the grafted number of saccharides played a vital role in determining the solubility and thermal stability of glyco-PPI. Protein tends to denature at reaction conditions of 80 °C and pH 10.0, and its cross-linkage occurred in the aqueous system. The two potential routes of molecular interactions between PPI and saccharides were denaturation and glycation or self-cross-linkage. Flavor profile alteration of glycoprotein before and after conjugation was depicted, and relevant off-odors were quantified via headspace solid-phase microextraction gas chromatography-mass spectrometry. These outcomes could furnish valuable in-depth information for dictating functionalities of plant-based protein for food application.
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Affiliation(s)
- Fengchao Zha
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Zhongyu Yang
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Jiajia Rao
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
| | - Bingcan Chen
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota 58108, United States
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45
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Wang H, Yan Y, Feng X, Wu Z, Guo Y, Li H, Zhu Q. Improved physicochemical stability of emulsions enriched in lutein by a combination of chlorogenic acid-whey protein isolate-dextran and vitamin E. J Food Sci 2020; 85:3323-3332. [PMID: 32895972 DOI: 10.1111/1750-3841.15417] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 07/05/2020] [Accepted: 07/11/2020] [Indexed: 01/06/2023]
Abstract
Lutein, as a bioactive substance, has the ability to decrease the risk of some chronic diseases, but the poor water solubility, chemical instability, and low bioaccessibility limit its wide application in foods. In this study, an emulsion-based delivery system stabilized by chlorogenic acid (CA)-whey protein isolate (WPI)-dextran (DEX) ternary conjugates was prepared and vitamin E (VE) was added to increase the chemical stability of lutein. Molecular weight and conformational information of ternary conjugates were obtained by sodium dodecyl sulphate-polyacrylamide gel electrophoresis, fluorescence spectroscopy, and Fourier transform infrared spectroscopy. o-Phthalaldehyde results suggested that the extent of glycation was 16.4% and 19.5% for (CA-WPI)-DEX and WPI-DEX conjugates, respectively. The physicochemical stability of lutein-enriched emulsions was evaluated under different environmental stresses and long-term storage. The obtained results showed that compared with emulsions stabilized by WPI alone or binary conjugates, ternary conjugates imparted emulsions high stability under different environmental stress conditions (ionic strength, freeze-thaw, and heat) and long-term storage (within 3 weeks). VE can effectively decrease the degradation rate of lutein without changing the physical stability of emulsions. Additionally, the lutein-enriched emulsions prepared by ternary conjugates and VE exhibited a relatively high bioaccessibility. PRACTICAL APPLICATION: The ternary conjugates constructed in this paper has excellent physicochemical characteristics to stabilize emulsion, and can increase the water solubility of functional factors and reduce their degradation rate. Additionally, this conjugate was prepared by food-grade materials. Therefore, it can be used as emulsion-based delivery systems in food industrials.
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Affiliation(s)
- Hao Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, 300457, China
| | - Yong Yan
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, 300457, China
| | - Xiangru Feng
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, 300457, China
| | - Zijian Wu
- Tianjin Key Laboratory of Food Biotechnology, College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin, 300143, China
| | - Yatu Guo
- Tianjin Eye Hospital, Tianjin Eye Institute, Tianjin Key Lab of Ophthalmology and Visual Science, Tianjin, 300384, China
| | - Heyu Li
- Tianjin ubasio Biotechnology Group Co., Ltd., Tianjin, 300457, China
| | - Qiaomei Zhu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, 300457, China
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46
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A'yun Q, Demicheli P, de Neve L, Wu J, Balcaen M, Setiowati AD, Martins JC, van Troys M, Van der Meeren P. Dry heat induced whey protein–lactose conjugates largely improve the heat stability of O/W emulsions. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104736] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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47
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Wei X, Pan T, Liu H, Boga LAI, Hussian Z, Suleman R, Zhang D, Wang Z. The Effect of Age on the Myosin Thermal Stability and Gel Quality of Beijing Duck Breast. Food Sci Anim Resour 2020; 40:588-600. [PMID: 32734266 PMCID: PMC7372988 DOI: 10.5851/kosfa.2020.e36] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/26/2020] [Accepted: 05/01/2020] [Indexed: 11/25/2022] Open
Abstract
The effect of age (22, 30, 38, and 46 days) on Beijing duck breast myosin gels
was investigated. The results showed that the water holding capacity (WHC) and
gel strength were markedly improved at the age of 30 days. Differential scanning
calorimetry suggested that the myosin thermal ability increased at the age of 30
and 38 days (p<0.05). A compact myosin gel network with thin cross-linked
strands and small regular cavities formed at the age of 30 days, which was
resulted from the higher content of hydrophobic interactions and disulfide
bonds. Moreover, the surface hydrophobicity of myosin extracted from a
30-day-old duck breast decreased significantly under temperature higher than
80°C (p<0.05). This study illustrated that myosin extracted from a
30-day-old duck’s breast enhanced and stabilized the WHC, thermal
stability and molecular forces within the gel system. It concluded that age is
an essential influencing factor on the myosin thermal stability and gel quality
of Beijing duck due to the transformation of fibrils with different myosin
character.
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Affiliation(s)
- Xiangru Wei
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Teng Pan
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Huan Liu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Laetithia Aude Ingrid Boga
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Zubair Hussian
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Raheel Suleman
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Dequan Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Zhenyu Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
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48
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Kwon HC, Shin DM, Yune JH, Jeong CH, Han SG. Evaluation of gels formulated with whey proteins and sodium dodecyl sulfate as a fat replacer in low-fat sausage. Food Chem 2020; 337:127682. [PMID: 32795852 DOI: 10.1016/j.foodchem.2020.127682] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 07/06/2020] [Accepted: 07/25/2020] [Indexed: 01/07/2023]
Abstract
Consumers are increasingly interested in low-fat meat products. Therefore, there is demand for new fat replacers that improve the quality of low-fat meat products. Whey protein isolate (WPI; 10% (w/v)) and sodium dodecyl sulfate (SDS; 0-0.09% (w/v)) were used to produce WPI-SDS gel as a fat replacer of low-fat meat products. Characteristics of WPI-SDS gel were evaluated using SDS-PAGE, FT-IR, viscometer, and texture analyzer. Addition of SDS to WPI increased gelation while reducing aggregation. Addition of 0.06% SDS to WPI-SDS gel has the highest viscosity and hardness, while 0.09% SDS decreased the heat stability of WPI. Quality characteristics including cooking loss, emulsion stability, hardness, and chewiness were significantly improved in WPI-SDS gel-supplemented low-fat sausages. Particularly, the highest hardness and chewiness were obtained in the low-fat sausage added with WPI-SDS gel containing 0.06% SDS. Our results suggest that WPI-SDS gel can be used as a fat replacer in low-fat meat products.
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Affiliation(s)
- Hyuk Cheol Kwon
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, South Korea
| | - Dong-Min Shin
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, South Korea
| | - Jong Hyeok Yune
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, South Korea
| | - Chang Hee Jeong
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, South Korea
| | - Sung Gu Han
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, South Korea.
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Broersen K. Milk Processing Affects Structure, Bioavailability and Immunogenicity of β-lactoglobulin. Foods 2020; 9:foods9070874. [PMID: 32635246 PMCID: PMC7404694 DOI: 10.3390/foods9070874] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/24/2020] [Accepted: 06/26/2020] [Indexed: 12/15/2022] Open
Abstract
Bovine milk is subjected to various processing steps to warrant constant quality and consumer safety. One of these steps is pasteurization, which involves the exposure of liquid milk to a high temperature for a limited amount of time. While such heating effectively ameliorates consumer safety concerns mediated by pathogenic bacteria, these conditions also have an impact on one of the main nutritional whey constituents of milk, the protein β-lactoglobulin. As a function of heating, β-lactoglobulin was shown to become increasingly prone to denaturation, aggregation, and lactose conjugation. This review discusses the implications of such heat-induced modifications on digestion and adsorption in the gastro-intestinal tract, and the responses these conformations elicit from the gastro-intestinal immune system.
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Affiliation(s)
- Kerensa Broersen
- Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, Postbus 217, 7500 AE Enschede, The Netherlands
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Huang S, He J, Cao L, Lin H, Zhang W, Zhong Q. Improved Physicochemical Properties of Curcumin-Loaded Solid Lipid Nanoparticles Stabilized by Sodium Caseinate-Lactose Maillard Conjugate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7072-7081. [PMID: 32511914 DOI: 10.1021/acs.jafc.0c01171] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
To improve the water solubility, antioxidant activity, and chemical stability of curcumin, solid lipid nanoparticles (SLNs) were fabricated using equal masses of propylene glycol monopalmitate and glyceryl monostearate as the lipid matrix and sodium caseinate-lactose (NaCas-Lac) Maillard conjugate as the emulsifier. The entrapment efficiency was more than 90% when curcumin was 2.5% and 5.0% of lipid mass, and the SLNs were stable during 30-day storage. SLNs stabilized by NaCas-Lac showed better physicochemical properties than those prepared with NaCas, including higher sphericity and homogeneity; higher entrapment efficiency; better stability against pH, ionic strength, and simulated gastrointestinal digestions; and more controlled release. SLNs also greatly enhanced the antioxidant activity of encapsulated curcumin and the retention of curcumin during storage. Therefore, the present SLNs may find applications to deliver lipophilic compounds in functional foods and beverages.
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Affiliation(s)
- Shuangshuang Huang
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Junbo He
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Lei Cao
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Hong Lin
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Weinong Zhang
- Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, College of Food Science & Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Qixin Zhong
- Department of Food Science, The University of Tennessee, Knoxville, Tennessee 37996, United States
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