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Yang Y, Xu Q, Wang X, Bai Z, Xu X, Ma J. Casein-based hydrogels: Advances and prospects. Food Chem 2024; 447:138956. [PMID: 38503069 DOI: 10.1016/j.foodchem.2024.138956] [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: 12/05/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/21/2024]
Abstract
Casein-based hydrogels (Casein Gels) possess advantageous properties, including mechanical strength, stability, biocompatibility, and even adhesion, conductivity, sensing capabilities, as well as controlled-releasing behavior of drugs. These features are attributed to their gelation methods and functionalization with various polymers. Casein Gels is an important protein-based material in the food industry, in terms of dairy and functional foods, biological and medicine, in terms of carrier for bioactive and sensitive drugs, wound healing, and flexible sensors and wearable devices. Herein, this review aims to highlight the importance of the features mentioned above via a comprehensive investigation of Casein Gels through multiple directions and dimensional applications. Firstly, the composition, structure, and properties of casein, along with the gelation methods employed to create Casein Gels are elaborated, which serves as a foundation for further exploration. Then, the application progresses of Casein Gels in dairy products, functional foods, medicine, flexible sensors and wearable devices, are thoroughly discussed to provide insights into the diverse fields where Casein Gels have shown promise and utility. Lastly, the existing challenges and future research trends are highlighted from an interdisciplinary perspective. We present the latest research advances of Casein Gels and provide references for the development of multifunctional biomass-based hydrogels.
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Affiliation(s)
- Yuxi Yang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Qunna Xu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, National Demonstration Center for Experimental Light Chemistry Engineering Education, Xi'an 710021, China.
| | - Xinyi Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Institute of Biomass & Functional Materials, Shaanxi University of Science &Technology, Xi'an 710021, China
| | - Zhongxue Bai
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Institute of Biomass & Functional Materials, Shaanxi University of Science &Technology, Xi'an 710021, China
| | - Xiaoyu Xu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China
| | - Jianzhong Ma
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China; Xi'an Key Laboratory of Green Chemicals and Functional Materials, National Demonstration Center for Experimental Light Chemistry Engineering Education, Xi'an 710021, China.
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Li B, Lindén J, Puolanne E, Ertbjerg P. Effects of Wooden Breast Syndrome in Broiler Chicken on Sarcoplasmic, Myofibrillar, and Connective Tissue Proteins and Their Association with Muscle Fiber Area. Foods 2023; 12:3360. [PMID: 37761069 PMCID: PMC10528182 DOI: 10.3390/foods12183360] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
This study was conducted on chicken pectoralis major muscle with different wooden breast severity in combination with different sampling locations to investigate the effects of wooden breast syndrome on protein traits and total myofiber area, and their associations. Contents of sarcoplasmic, salt-soluble myofibrillar and salt-insoluble protein and proportion of total myofiber area significantly declined with increasing severity in the superficial part of muscle, whereas the amount of heat-soluble/insoluble collagen and protein denaturation as well as the area of degenerated myofibers, connective tissue and cellular infiltrates increased. Myofibril protein content indicators showed strong positive correlations to total myofiber area. Moreover, PCA results indicated that severe wooden breast is positively linked to muscle collagen content and to protein denaturation. Our results suggest that decrease in sarcoplasmic and myofibrillar proteins is associated with reduction of myofiber area. In turn, the muscle fibers are replaced by connective tissue, accompanied by excessive myofibrillar and sarcoplasmic protein denaturation.
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Affiliation(s)
- Binbin Li
- Department of Food and Nutrition, University of Helsinki, 00014 Helsinki, Finland; (B.L.); (E.P.)
| | - Jere Lindén
- Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland;
- Finnish Centre for Laboratory Animal Pathology (FCLAP), Helsinki Institute of Life Science (HiLIFE), University of Helsinki, 00014 Helsinki, Finland
| | - Eero Puolanne
- Department of Food and Nutrition, University of Helsinki, 00014 Helsinki, Finland; (B.L.); (E.P.)
| | - Per Ertbjerg
- Department of Food and Nutrition, University of Helsinki, 00014 Helsinki, Finland; (B.L.); (E.P.)
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Accardo F, Prandi B, Terenziani F, Tedeschi T, Sforza S. Evaluation of in vitro whey protein digestibility in a protein-catechins model system mimicking milk chocolate: Interaction with flavonoids does not hinder protein bioaccessibility. Food Res Int 2023; 169:112888. [PMID: 37254336 DOI: 10.1016/j.foodres.2023.112888] [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: 12/13/2022] [Revised: 04/08/2023] [Accepted: 04/24/2023] [Indexed: 06/01/2023]
Abstract
Flavonoids are largely present in plant food such as cocoa and derived products. These compounds can interact with proteins inherently contained in the food matrix and/or the proteolytic enzymes involved in gastrointestinal digestion. The flavonoid/protein interaction might hamper protein bioaccessibility and digestibility, affecting the nutritional quality. However, information on the digestion fate of proteins in food matrices containing both proteins and flavonoids is limited. The aim of this work was to evaluate the interaction between proteins and flavonoids and verify the potential effects of this interaction on protein digestibility. Taking milk chocolate as model, first a simple whey proteins/catechins mixed system was evaluated, and then the effects on digestibility were also verified in a real sample of commercial milk chocolate. The effects of the catechins/whey proteins interaction in the model system were evaluated by optical and chiro-optical spectroscopy, outlining a slight protein structure modification upon interaction with catechins. The digestibility of the protein fraction both in the model system, with and without catechins, and also in milk chocolate, was then determined by the application of INFOGEST in vitro digestion method: the bioaccessibility was evaluated in terms of protein hydrolysis and protein solubilisation, and major peptides generated by the digestion were also determined by LC/HR-MS. Despite the slight interaction with proteins, flavonoids were found to not hinder nor modify protein solubilization, protein hydrolysis and peptide profile by digestive enzymes. Also protein digestibility in milk chocolate, evaluated by SDS-PAGE, was found to be complete. The present data clearly indicate that the interaction of the proteins with the flavonoids present in the cocoa matrix does not to affect protein bioaccessibility during digestion.
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Affiliation(s)
- Francesca Accardo
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Barbara Prandi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Francesca Terenziani
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area delle Scienze, 17/A, 43124 Parma, Italy.
| | - Tullia Tedeschi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Stefano Sforza
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
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Investigation of Consequences of High-Voltage Pulsed Electric Field and TGase Cross-Linking on the Physicochemical and Rheological Properties of Pleurotus eryngii Protein. Foods 2023; 12:foods12030647. [PMID: 36766175 PMCID: PMC9914717 DOI: 10.3390/foods12030647] [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: 11/30/2022] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
This study aimed to evaluate the effects of high-voltage pulsed electric fields (HPEF) and transglutaminase (TGase) cross-clinking on the physicochemical and rheological properties of Pleurotus eryngii protein (PEP). The results showed that HPEF increased α-helixes and β-turns but decreased β-folds. A HPEF at 1500 V/cm maximized the free sulfhydryl content and solubility of PEP. TGase formed high-molecular-weight polymers in PEP. TGase at 0.25% maximized the free sulfhydryl groups, particle size, and solubility; shifted the maximum absorption wavelength from 343 nm to 339 nm and 341 nm; increased α-helixes and β-turns and decreased β-folds; and showed better rheological properties. Compared with TGase cross-linking, HPEF-1500 V/cm and 1% TGase significantly reduced the free sulfhydryl groups, particle size, and solubility, produced more uniform network structures, and improved the rheological properties. These results suggest that HPEF can increase the cross-linking of TGase and improve rheological properties of TGase-cross-linked PEP by affecting the physicochemical properties.
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Uttam AN, Padte S, Raj GJV, Govindaraju K, Kumar S. Isolation, characterization, and utilization of wheat bran protein fraction for food application. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2023; 60:464-473. [PMID: 36712213 PMCID: PMC9873874 DOI: 10.1007/s13197-022-05617-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 08/30/2022] [Accepted: 09/22/2022] [Indexed: 12/29/2022]
Abstract
Wheat bran (WB), a low-cost industrial by-product, is a vital source of high-quality proteins, minerals, vitamins, and several bioactive compounds. The present study encompasses the identification of appropriate bran streams of a commercial roller flour mill (CRFM) essentially based on hector liter weight, (HLW), optimization of WB protein isolation process, amino acid characterization, rendering more emphasis on simple water-soluble albumins, having higher commercial viability, and its application in food formulation. Total WB protein was 16.18% protein, the sum of the extracted proteins viz. albumin (2.43%), a prolamin (2.47%), glutelin (5.25%), globulin (1.92%), and insoluble proteins (4.09%) was 12.08%. Following albumin extraction, residual WB was subjected to ultra-sonication which further increased albumin protein yield from 2.43 to 3.07%. The extracted WB albumin isolate (WBAI) was utilized to develop high protein bread having significantly high volume and protein content, compared to control bread. The structural and sensorial attributes of the developed bread were superior compared to control bread. Thus, WBAI has a tremendous scope as a natural, affordable potential inexpensive food improver/fortificant to address protein-energy malnutrition (PEM). The process has the great advantage of being eco-friendly, besides, residual bran can still be used as cattle feed, enhancing profitability and viability.
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Affiliation(s)
- Adgunkar Neha Uttam
- Department of Flour Milling, Baking and Confectionery Technology, CSIR-Central Food Technological Research Institute, Cheluvamba Mansion, Valmiki Rd, Opp. Railway Museum, Devaraja Mohalla, CFTRI Campus, Kajjihundi, Mysuru, Karnataka 570020 India
| | - Shweta Padte
- Department of Flour Milling, Baking and Confectionery Technology, CSIR-Central Food Technological Research Institute, Cheluvamba Mansion, Valmiki Rd, Opp. Railway Museum, Devaraja Mohalla, CFTRI Campus, Kajjihundi, Mysuru, Karnataka 570020 India
- School of Biotechnology and Bioinformatics, D.Y.Patil Deemed to be University, Navi Mumbai, India
| | - G. Joshua Vimal Raj
- Department of Flour Milling, Baking and Confectionery Technology, CSIR-Central Food Technological Research Institute, Cheluvamba Mansion, Valmiki Rd, Opp. Railway Museum, Devaraja Mohalla, CFTRI Campus, Kajjihundi, Mysuru, Karnataka 570020 India
| | - K. Govindaraju
- Department of Protein Chemistry and Technology, CSIR-CFTRI, Mysore, India
| | - Sourav Kumar
- Department of Flour Milling, Baking and Confectionery Technology, CSIR-Central Food Technological Research Institute, Cheluvamba Mansion, Valmiki Rd, Opp. Railway Museum, Devaraja Mohalla, CFTRI Campus, Kajjihundi, Mysuru, Karnataka 570020 India
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Chu Y, Ding Z, Yang D, Xie J. Evaluation on the effect of ice glazing with different compound additives on the quality of frozen stored (-23 °C) large yellow croaker (Pseudosciaena crocea). JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:349-360. [PMID: 35892290 DOI: 10.1002/jsfa.12148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Compounded ice glazing has been used in large yellow croaker to improve its quality during frozen storage. The ice glazing liquid is prepared by compound use of trehalose and tea polyphenols, and the moisture, protein-related properties and freshness of the fish have been evaluated during 300 days of frozen storage. RESULTS The results showed that the addition of trehalose effectively reduced the loss of water. At the same time, it was difficult for ice crystals to grow under the action of trehalose, the average diameter could still be maintained at 111.25-119.85 μm. The combination with tea polyphenols could effectively maintain the protein structure and keep the total volatile base nitrogen (TVB-N) and K value within 11.84 mg/100 g and 13.18%, so that the freshness of the fish was always at the first level. CONCLUSION In a word, the ice glazing with 5% trehalose and 8% tea polyphenols had the best preservation effect, which was recommended for the frozen storage. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Yuanming Chu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
| | - Zhaoyang Ding
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai Ocean University, Shanghai, China
| | - Dazhang Yang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai Ocean University, Shanghai, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
- National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
- Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai Ocean University, Shanghai, China
- Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai Ocean University, Shanghai, China
- Collaborative Innovation Center of Seafood Deep Processing, Ministry of Education, Dalian, China
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7
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Zhang T, Liu Y, Wang P, Li Y, Ren F, Yi H. Exploration of interaction between α-lactalbumin and β-lactoglobulin under dUHT treatment and storage: Experimental and molecular dynamics study. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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8
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Gantumur MA, Hussain M, Li J, Hui M, Bai X, Sukhbaatar N, Li J, Chen W, Hou J, Jiang Z. Modification of fermented whey protein concentrates: Impact of sequential ultrasound and TGase cross-linking. Food Res Int 2023; 163:112158. [PMID: 36596109 DOI: 10.1016/j.foodres.2022.112158] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 11/01/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
Abstract
This study aimed to examine the impact of fermentation process on whey protein and improve the general properties of fermented whey protein concentrate (FWPC) recovered by a combined ultrafiltration-diafiltration (UF-DF) operation. Impacts of sequential ultrasound (US) pretreatment and transglutaminase (TGase) crosslinking on structural, functional, and physicochemical properties of FWPCs were investigated. Partially denatured and hydrolyzed fermented whey protein could replace heat denaturation prior to the TGase addition to a whey protein system. Sequential treatment increased the molecular weight of FWPCs as exhibited by both SEM and SDS-PAGE, which demonstrates that modification can lead to the polymers and oligomers production. The zeta potential value increased significantly after US treatment and enzyme catalysis, and all the modified FWPCs were strongly negatively charged. Compared with the secondary structure of untreated FWPCs, the percentage of α-helix and random coil in modified FWPCs significantly increased, while the percentage of β-sheet and β-turns reduced. Solubility, free sulfhydryl groups, and surface hydrophobicity of all FWPCs were significantly improved compared to non-fermented WPC (P < 0.05). Sequential treatment induced a substantial impact on the emulsifying activity and stability of modified samples in comparison with untreated FWPCs. Scanning electron microscope pictures confirmed the positive effects of sequential treatments on texture and void size reduction. Therefore, the application of recovering modified FWPCs is fully recommended as a commercially viable approach for enhanced protein production at the industrial scale.
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Affiliation(s)
- Munkh-Amgalan Gantumur
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China; College of Life Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Muhammad Hussain
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jinzhe Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China
| | - Mizhou Hui
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, PR China; Frontier Biotechnology Laboratory, Hangzhou International Innovation Center, Zhejiang University, Hangzhou, 311200, PR China
| | - Xi Bai
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, PR China
| | - Narantuya Sukhbaatar
- School of Industrial Technology, Mongolian University of Science and Technology, 14191, Baga toiruu 34, Sukhbaatar district Ulaanbaatar, Mongolia
| | - Jinpeng Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China
| | - Wei Chen
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China
| | - Juncai Hou
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, 150030, PR China.
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Madsen M, Khan S, Kunstmann S, Aachmann FL, Ipsen R, Westh P, Emanuelsson C, Svensson B. Unaided efficient transglutaminase cross-linking of whey proteins strongly impacts the formation and structure of protein alginate particles. FOOD CHEMISTRY: MOLECULAR SCIENCES 2022; 5:100137. [PMID: 36164490 PMCID: PMC9508153 DOI: 10.1016/j.fochms.2022.100137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 09/08/2022] [Accepted: 09/17/2022] [Indexed: 12/03/2022]
Abstract
Microbial transglutaminase (MTG) cross-linked >70% β-lactoglobulin (β-Lg) at pH 8.5. Initial MTG catalyzed isopeptide bond formation caused partial unfolding of β-Lg. >75% of whey protein cross-linked, forming hetero-polymers containing β-Lg. 50% less alginate is needed to form particles with cross-linked than with native β-Lg. Cross-linked β-Lg and alginate formed suspendable hydrophobically driven particles.
There is a dogma within whey protein modification, which dictates the necessity of pretreatment to enzymatic cross-linking of β-lactoglobulin (β-Lg). Here microbial transglutaminase (MTG) cross-linked whey proteins and β-Lg effectively in 50 mM NaHCO3, pH 8.5, without pretreatment. Cross-linked β-Lg spanned 18 to >240 kDa, where 6 of 9 glutamines reacted with 8 of 15 lysines. The initial isopeptide bond formation caused loss of β-Lg native structure with t1/2 = 3 h, while the polymerization occurred with t1/2 = 10 h. Further, cross-linking effects on protein carbohydrate interaction have been overlooked, leaving a gap in understanding of these complex food matrices. Complexation with alginate showed that β-Lg cross-linking decreased onset of particle formation, hydrodynamic diameter, stoichiometry (β-Lg/alginate) and dissociation constant. The complexation was favored at higher temperatures (40 °C), suggesting that hydrophobic interactions were important. Thus, β-Lg was cross-linked without pretreatment and the resulting polymers gave rise to altered complexation with alginate.
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Affiliation(s)
- Mikkel Madsen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Sanaullah Khan
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Sonja Kunstmann
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | - Finn L. Aachmann
- Norwegian Biopolymer Laboratory (NOBIPOL), Department of Biotechnology and Food Science, NTNU Norwegian University of Science and Technology, N-7491 Trondheim, Norway
| | - Richard Ipsen
- Department of Food Science, University of Copenhagen, DK-1958 Frederiksberg, Denmark
| | - Peter Westh
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
| | | | - Birte Svensson
- Department of Biotechnology and Biomedicine, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
- Corresponding author.
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Wang H, Zhang Y, Yuan Z, Zou X, Ji Y, Hou J, Zhang J, Lu F, Liu Y. Crosslinking Mechanism on a Novel Bacillus cereus Transglutaminase-Mediated Conjugation of Food Proteins. Foods 2022; 11:foods11223722. [PMID: 36429314 PMCID: PMC9689123 DOI: 10.3390/foods11223722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 11/22/2022] Open
Abstract
Until now, Streptoverticillium mobaraense transglutaminase (TG) is the only commercialized TG, but limited information is known about its selection tendency on crosslinking sites at the protein level, restricting its application in the food industry. Here, four recombinant Bacillus TGs were stable in a broad range of pH (5.0−9.0) and temperatures (<50 °C), exhibiting their maximum activity at 50−60 °C and pH 6.0−7.0. Among them, TG of B. cereus (BCETG) demonstrated the maximal specific activity of 177 U/mg. A structural analysis indicated that the Ala147-Ala156 region in the substrate tunnel of BCETG played a vital role in catalytic activity. Furthermore, bovine serum albumin, as well as nearly all protein ingredients in soy protein isolate and whey protein, could be cross-linked by BCETG, and the internal crosslinking paths of three protein substrates were elucidated. This study demonstrated Bacillus TGs are a candidate for protein crosslinking and provided their crosslinking mechanism at the protein level for applications in food processing.
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Affiliation(s)
- Hongbin Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yuanfu Zhang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Zhaoting Yuan
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xiaotong Zou
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yuan Ji
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Jiayi Hou
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Jinfang Zhang
- Tianjin Key Laboratory of Industrial Microbiology, Tianjin 300457, China
- Correspondence: (J.Z.); (Y.L.); Tel.: +86-022-6060-1958 (J.Z.); +86-022-6060-2949 (Y.L.)
| | - Fuping Lu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yihan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China
- Correspondence: (J.Z.); (Y.L.); Tel.: +86-022-6060-1958 (J.Z.); +86-022-6060-2949 (Y.L.)
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11
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An D, Ban Q, Du H, Wang Q, Teng F, Li L, Xiao H. Nanofibrils of food-grade proteins: Formation mechanism, delivery systems, and application evaluation. Compr Rev Food Sci Food Saf 2022; 21:4847-4871. [PMID: 36201382 DOI: 10.1111/1541-4337.13028] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 07/26/2022] [Accepted: 07/29/2022] [Indexed: 01/28/2023]
Abstract
Due to the high aspect ratio, appealing mechanical characteristics, and various adjustable functional groups on the surface proteins, food-grade protein nanofibrils have attracted great research interest in the field of food science. Fibrillation, known as a process of peptide self-assembly, is recognized as a common attribute for food-grade proteins. Converting food-grade proteins into nanofibrils is a promising strategy to broaden their functionality and applications, such as improvement of the properties of gelling and emulsifying, especially for constructing various delivery systems for bioactive compounds. Protein source and processing conditions have a great impact on the size, structure, and morphology of nanofibrils, resulting in extreme differences in functionality. With this feature, it is possible to engineer nanofibrils into four different delivery systems, including gels, microcapsules, emulsions, and complexes. Construction of nanofibril-based gels via multiple cross-linking methods can endow gels with special network structures to efficiently capture bioactive compounds and extra mechanical behavior. The adsorption behavior of nanofibrils at the interface is highly complex due to the influence of several intrinsic factors, which makes it challenging to form stabilized nanofibril-based emulsion systems. Based on electrostatic interactions, microcapsules and complexes prepared using nanofibrils and polysaccharides have combined functional properties, resulting in adjustable release behavior and higher encapsulation efficiency. The bioactive compounds delivery system based on nanofibrils is a potential solution to enhance their absorption in the gastrointestinal tract, improve their bioavailability, and deliver them to target organs. Although food-grade protein nanofibrils show unknown toxicity to humans, further research can contribute to broadening the application of nanofibrils in delivery systems.
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Affiliation(s)
- Di An
- College of Food Science, Northeast Agricultural University, Harbin, China
| | - Qingfeng Ban
- College of Food Science, Northeast Agricultural University, Harbin, China.,Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Hengjun Du
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Qi Wang
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Fei Teng
- College of Food Science, Northeast Agricultural University, Harbin, China
| | - Liang Li
- College of Food Science, Northeast Agricultural University, Harbin, China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
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12
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Wang H, Ji Y, Yuan Z, Tian J, Zhang Y, Lu F, Liu Y. Insights into the mechanism on the high-temperature activity of transglutaminase from Bacillus clausii and its crosslinked mode at protein level. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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13
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Kaczynska K, Wouters AG, Delcour JA. Microbial transglutaminase induced modification of wheat gliadin based nanoparticles and its impact on their air-water interfacial properties. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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14
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Accardo F, Leni G, Tedeschi T, Prandi B, Sforza S. Structural and chemical changes induced by temperature and pH hinder the digestibility of whey proteins. Food Chem 2022; 387:132884. [PMID: 35397269 DOI: 10.1016/j.foodchem.2022.132884] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 11/16/2022]
Abstract
In the food and feed industry, protein extraction is commonly performed under acid or basic conditions, combined with heat, in order to increase the extraction yield. Under severe processing conditions, proteins may undergo molecular modifications. Here, the effects of heating (30, 60, 90 °C) at different pH values (2, 7, 9, 11, 13) were evaluated on commercial whey proteins, used as a simplified protein model. The main structure and chemical modifications concerning protein aggregation, hydrolysis, insolubilization, amino acid degradation and racemization were investigated in detail. Using in vitro static models, the degree of protein hydrolysis and the released peptides were determined after the digestive process. Accumulation of molecular modifications was mostly observed after basic pH and high temperatures treatments, together with a marked decrease and modification of the digestibility profile. Instead, protein digestibility increased in neutral and acidic conditions in a temperature-dependent manner, even if some modification in the structure occurs.
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Affiliation(s)
- Francesca Accardo
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Giulia Leni
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Tullia Tedeschi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Barbara Prandi
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
| | - Stefano Sforza
- Department of Food and Drug, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
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15
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Shen Y, Hong S, Singh G, Koppel K, Li Y. Improving functional properties of pea protein through "green" modifications using enzymes and polysaccharides. Food Chem 2022; 385:132687. [PMID: 35299020 DOI: 10.1016/j.foodchem.2022.132687] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 12/22/2022]
Abstract
Pea proteins have gained significant interest in recent years. The objective of this study was to enhance pea protein functional properties through enzymatic and/or conjugation modifications and understand the physicochemical properties of the modified proteins. Molecular changes of the proteins were characterized, and protein functionality, in vitro digestibility, and sensory properties were analyzed. The proteins crosslinked with transglutaminase showed significantly improved water holding capacity (5.2-5.6 g/g protein) compared with the control pea protein isolate (2.8 g/g). The pea proteins conjugated with guar gum showed exceptional emulsifying capacity (EC) and stability (ES) of up to 100% compared with the control protein (EC of 58% and ES of 48%). Some sequentially modified pea proteins, such as transglutaminase crosslinking followed by guar gum conjugation had multiple functional enhancement (water holding, oil holding, emulsifying, and gelation). The functionally enhanced pea proteins had comparable sensory scores as the control protein.
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Affiliation(s)
- Yanting Shen
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS, 66506, United States
| | - Shan Hong
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS, 66506, United States
| | - Gaganpreet Singh
- Department of Food, Nutrition, Dietetics and Health, Kansas State University, Manhattan, KS 66506, United States
| | - Kadri Koppel
- Department of Food, Nutrition, Dietetics and Health, Kansas State University, Manhattan, KS 66506, United States
| | - Yonghui Li
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS, 66506, United States.
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16
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Chu Y, Tan M, Bian C, Xie J. Effect of ultrasonic thawing on the physicochemical properties, freshness, and protein-related properties of frozen large yellow croaker (Pseudosciaena crocea). J Food Sci 2021; 87:52-67. [PMID: 34897680 DOI: 10.1111/1750-3841.15983] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 09/28/2021] [Accepted: 10/20/2021] [Indexed: 11/30/2022]
Abstract
Ultrasonic treatment (UT) was used to thaw large yellow croaker in this study, and the effect of various ultrasonic power levels on the quality of large yellow croaker was evaluated after thawing. The effects of ultrasonic on water holding capacity (WHC), moisture distribution, thiobarbituric acid-reactive substance (TBARs), total volatile base nitrogen (TVB-N), ATP degradation (related to K value), surface color change, free amino acid (FAA) content, total sulfhydryl group (SH) content, Fourier transform infrared absorption spectra (FT-IR), fluorescence emission spectra, and microscopic observations of large yellow croaker myofibrillar proteins were investigated. The thawing times of the control sample, 200UT, 240UT, 280UT, and 320UT samples were 1750, 1190, 810, 580, and 570 s, respectively, which indicated that ultrasonic radiation could improve thawing efficiency. Additionally, ultrasonic thawing maintained better freshness and color and inhibited lipid oxidation. Compared with fresh samples, the TVB-N of large yellow croaker thawed by ultrasonication increased by 12.68%, and the K value increased by 0.9%. The 240UT sample had tightly arranged myofibrils and fewer changes in the structures of myogenic fibrillar proteins than the fresh samples, and the SH content of 240UT was decreased by 8.17%. Use of excessive ultrasonic power (320 W) damaged the protein microstructure and the microstructure of large yellow croaker. In conclusion, sample 240UT maintained the quality of large yellow croaker better with minimal damage, which is recommended for rapid thawing. PRACTICAL APPLICATION: Ultrasonic waves improve the thawing efficiency of large yellow croaker and maintain the freshness and color of the fish. According to results, sample 240UT exhibited slight changes in the structure of the myofibril protein, but excessive ultrasonic power destroyed the microstructure and protein structure. Appropriate ultrasonic treatment to the thawing of fish has good prospects.
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Affiliation(s)
- Yuanming Chu
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, China.,National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
| | - Mingtang Tan
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, China.,National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
| | - Chuhan Bian
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, China.,National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China
| | - Jing Xie
- College of Food Science & Technology, Shanghai Ocean University, Shanghai, China.,National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, China.,Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai Ocean University, Shanghai, China.,Shanghai Engineering Research Center of Aquatic Product Processing & Preservation, Shanghai Ocean University, Shanghai, China
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17
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Feyzi S, Varidi M, Housaindokht MR, Es'haghi Z. pH and NaCl effects on the interactions between safranal and whey protein isolate. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Elucidation of Interaction between Whey Proteins and Proanthocyanidins and Its Protective Effects on Proanthocyanidins during In-Vitro Digestion and Storage. Molecules 2021; 26:molecules26185468. [PMID: 34576939 PMCID: PMC8471322 DOI: 10.3390/molecules26185468] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 11/21/2022] Open
Abstract
Whey proteins and oligomeric proanthocyanidins have nutritional value and are widely used in combination as food supplements. However, the effect of the interactions between proanthocyanidins and whey proteins on their stability has not been studied in depth. In this work, we aimed to characterize the interactions between β-Lactoglobulin (β-LG) and α-lactalbumin (α-LA) and oligomeric proanthocyanidins, including A1, A2, B1, B2, B3, and C1, using multi-spectroscopic and molecular docking methods. Fluorescence spectroscopic data revealed that all of the oligomeric proanthocyanidins quenched the intrinsic fluorescence of β-LG or α-LA by binding-related fluorescence quenching. Among the six oligomeric proanthocyanidins, A1 showed the strongest affinity for β-LG (Ka = 2.951 (±0.447) × 104 L∙mol−1) and α-LA (Ka = 1.472 (±0.236) × 105 L∙mol−1) at 297 K. β-LG/α-LA and proanthocyanidins can spontaneously form complexes, which are mainly induced by hydrophobic interactions, hydrogen bonds, and van der Waals forces. Fourier-transform infrared spectroscopy (FTIR) and circular dichroism spectroscopy showed that the secondary structures of the proteins were rearranged after binding to oligomeric proanthocyanidins. During in vitro gastrointestinal digestion, the recovery rate of A1 and A2 increased with the addition of WPI by 11.90% and 38.43%, respectively. The addition of WPI (molar ratio of 1:1) increased the retention rate of proanthocyanidins A1, A2, B1, B2, B3, and C1 during storage at room temperature by 14.01%, 23.14%, 30.09%, 62.67%, 47.92%, and 60.56%, respectively. These results are helpful for the promotion of protein–proanthocyanidin complexes as functional food ingredients in the food industry.
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Liu K, Chen YY, Zha XQ, Li QM, Pan LH, Luo JP. Research progress on polysaccharide/protein hydrogels: Preparation method, functional property and application as delivery systems for bioactive ingredients. Food Res Int 2021; 147:110542. [PMID: 34399519 DOI: 10.1016/j.foodres.2021.110542] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/27/2021] [Accepted: 06/15/2021] [Indexed: 01/12/2023]
Abstract
Some bioactive ingredients in foods are unstable and easily degraded during processing, storage, transportation and digestion. To enhance the stability and bioavailability, some food hydrogels have been developed to encapsulate these unstable compounds. In this paper, the preparation methods, formation mechanisms, physicochemical and functional properties of some protein hydrogels, polysaccharide hydrogels and protein-polysaccharide composite hydrogels were comprehensively summarized. Since the hydrogels have the ability to control the release and enhance the bioavailability of bioactive ingredients, the encapsulation and release mechanisms of polyphenols, flavonoids, carotenoids, vitamins and probiotics by hydrogels were further discussed. This review will provide a comprehensive reference for the deep application of polysaccharide/protein hydrogels in food industry.
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Affiliation(s)
- Kang Liu
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China
| | - Ying-Ying Chen
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China
| | - Xue-Qiang Zha
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China.
| | - Qiang-Ming Li
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China
| | - Li-Hua Pan
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China
| | - Jian-Ping Luo
- Engineering Research Centre of Bioprocess of Ministry of Education, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China; School of Food and Biological Engineering, Hefei University of Technology, No 193 Tunxi Road, Hefei 230009, People's Republic of China.
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20
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Duarte LS, Matte CR, Dall Cortivo PR, Nunes JES, Barsé LQ, Bizarro CV, Ayub MAZ. Expression of Bacillus amyloliquefaciens transglutaminase in recombinant E. coli under the control of a bicistronic plasmid system in DO-stat fed-batch bioreactor cultivations. Braz J Microbiol 2021; 52:1225-1233. [PMID: 34008152 DOI: 10.1007/s42770-021-00521-3] [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: 08/10/2020] [Accepted: 05/04/2021] [Indexed: 11/29/2022] Open
Abstract
We studied the expression of Bacillus amyloliquefaciens transglutaminase cloned in Escherichia coli BL21(DE3)pLysS harboring the plasmid pBAD/3C/bTGase, a bicistronic expression system, in bioreactor cultivation. Batch and fed-batch controlled as DO-stat strategies were employed for the production of the recombinant enzyme. In 30 h-batch cultivations using Terrific broth (TB), 6 g/L of biomass and 3.12 U/mgprotein of transglutaminase activity were obtained. DO-stat fed-batch cultivations under the control of oxygen concentration (DO-stat) using TB as medium but fed with glucose allowed the increment in biomass formation (17.5 g/L) and enzyme activity (6.43 U/mgprotein). DO-stat fed-batch using mineral medium (M9) and fed with glucose under the same conditions produced even higher enzymatic activity (9.14 U/mgprotein). The pH effect was investigated, and the best enzymatic activity could be observed at pH 8. In all cultivations, the bicistronic system remained stable, with 100% of plasmid-bearing cells. These results show that E. coli bearing bicistronic plasmid constructs to express recombinant TGase could be cultivated in bioreactors under DO-stat fed-batch using mineral medium and it is a promising strategy in future optimizations to produce this important enzyme.
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Affiliation(s)
- Lovaine Silva Duarte
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande Do Sul, Av. Bento Gonçalves 9500, PO Box 15090, Porto Alegre, RS, ZC 91501-970, Brazil
| | - Carla Roberta Matte
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande Do Sul, Av. Bento Gonçalves 9500, PO Box 15090, Porto Alegre, RS, ZC 91501-970, Brazil
| | - Paulo Roberto Dall Cortivo
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande Do Sul, Av. Bento Gonçalves 9500, PO Box 15090, Porto Alegre, RS, ZC 91501-970, Brazil
| | - José Eduardo Sacconi Nunes
- Centro de Pesquisas Em Biologia Molecular E Funcional (CPBMF), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), 92A TECNOPUC Building, 4592 Av. Bento Gonçalves, Porto Alegre, ZC 90650-001, Brazil
| | - Laisa Quadros Barsé
- Centro de Pesquisas Em Biologia Molecular E Funcional (CPBMF), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), 92A TECNOPUC Building, 4592 Av. Bento Gonçalves, Porto Alegre, ZC 90650-001, Brazil
| | - Cristiano Valim Bizarro
- Centro de Pesquisas Em Biologia Molecular E Funcional (CPBMF), Pontifícia Universidade Católica Do Rio Grande Do Sul (PUCRS), 92A TECNOPUC Building, 4592 Av. Bento Gonçalves, Porto Alegre, ZC 90650-001, Brazil
| | - Marco Antônio Záchia Ayub
- Biotechnology, Bioprocess, and Biocatalysis Group, Food Science and Technology Institute, Federal University of Rio Grande Do Sul, Av. Bento Gonçalves 9500, PO Box 15090, Porto Alegre, RS, ZC 91501-970, Brazil.
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21
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Ceresino EB, Johansson E, Sato HH, Plivelic TS, Hall SA, Kuktaite R. Morphological and structural heterogeneity of solid gliadin food foams modified with transglutaminase and food grade dispersants. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.105995] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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22
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Liu Y, Weng R, Wang W, Wei X, Li J, Chen X, Liu Y, Lu F, Li Y. Tunable physical and mechanical properties of gelatin hydrogel after transglutaminase crosslinking on two gelatin types. Int J Biol Macromol 2020; 162:405-413. [DOI: 10.1016/j.ijbiomac.2020.06.185] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 06/18/2020] [Accepted: 06/18/2020] [Indexed: 11/26/2022]
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23
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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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24
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Influence of Microbial Transglutaminase on Physicochemical and Cross-Linking Characteristics of Individual Caseins. Molecules 2020; 25:molecules25173992. [PMID: 32887242 PMCID: PMC7504769 DOI: 10.3390/molecules25173992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 08/30/2020] [Accepted: 08/31/2020] [Indexed: 11/16/2022] Open
Abstract
The effects of microbial transglutaminase (MTGase) cross-linking on the physicochemical characteristics of individual caseins were investigated. MTGase was used to modify three major individual caseins, namely, κ-casein (κ-CN), αS-casein (αS-CN) and β-casein (β-CN). The SDS-PAGE analysis revealed that MTGase-induced cross-linking occurred during the reaction and that some components with high molecular weights (>130 kDa) were formed from the individual proteins κ-CN, αS-CN and β-CN. Scanning electron microscopy (SEM) and particle size analysis respectively demonstrated that the κ-CN, αS-CN and β-CN particle diameters and protein microstructures were larger and polymerized after MTGase cross-linking. The polymerized κ-CN (~749.9 nm) was smaller than that of β-CN (~7909.3 nm) and αS-CN (~7909.3 nm). The enzyme kinetics results showed KM values of 3.04 × 10−6, 2.37 × 10−4 and 8.90 × 10−3 M for κ-CN, αS-CN and β-CN, respectively, and, furthermore, kcat values of 5.17 × 10−4, 1.92 × 10−3 and 4.76 × 10−2 1/s, for κ-CN, αS-CN and β-CN, respectively. Our results revealed that the cross-linking of β-CN catalyzed by MTGase was faster than that of αS-CN or κ-CN. Overall, the polymers that formed in the individual caseins in the presence of MTGase presented a higher molecular weight and larger particles.
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25
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Nanoencapsulation of anthocyanins-loaded β-lactoglobulin nanoparticles: Characterization, stability, and bioavailability in vitro. Food Res Int 2020; 137:109635. [PMID: 33233214 DOI: 10.1016/j.foodres.2020.109635] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 08/08/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022]
Abstract
This work aims to investigate the effect of desolvation on the stability and bioavailability of nanoparticles of β-lactoglobulin (β-Lg) and anthocyanins (AC) extracted from red raspberry pomace. Interactions between the substrates were also studied using multispectral approaches. β-Lg-nanoparticles were fabricated via heat treatment at 85 °C for 30 min before initiating the desolvation method at pH 7. This method generated monodisperse particles, nano-scale size of β-Lg, and AC-β-Lg ranged from 129.13 to 351.85 nm with square morphology obtained by SEM. The AC extract was encapsulated successfully during desolvation process into β-Lg-nanoparticles with encapsulation efficiency (EE %) of ~77%. Results also showed that AC (from 1 to 13 × 10-4 M) quenched the fluorescence intensity of de-solvated β-Lg estimated to be 98%, and a binding among them occurred with a Ka-value of 7.59 × 108 M-1 at 25 °C. Addition of AC also gradually increased the antioxidant activity of β-Lg-nanoparticles with values of 82.51% at the highest AC-concentration (13 × 10-4 M) loaded on β-Lg-nanoparticles. AC-loaded β-Lg nanoparticles was more stable in mouth (pH 6.8), simulated gastric (SG, pH 2), and simulated intestinal (SI, pH 6.9) by showing high retention rate (%) than that of AC unencapsulated. Overall, de-solvated-β-Lg increased the heat-stability and bioavailability of AC, which could be further utilized in various food and pharmaceutical matrices. These findings recommend that β-Lg nanoparticles could be appropriated as delivery systems for anthocyanins.
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León-López A, Pérez-Marroquín XA, Campos-Lozada G, Campos-Montiel RG, Aguirre-Álvarez G. Characterization of Whey-Based Fermented Beverages Supplemented with Hydrolyzed Collagen: Antioxidant Activity and Bioavailability. Foods 2020; 9:foods9081106. [PMID: 32806694 PMCID: PMC7465771 DOI: 10.3390/foods9081106] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/04/2020] [Accepted: 08/10/2020] [Indexed: 02/08/2023] Open
Abstract
In this study, the preparation of a milk whey-based beverage with the addition of different concentrations of hydrolyzed collagen (0.3%, 0.5%, 0.75%, and 1%) was carried out. The control was considered at a concentration of 0%. Physicochemical properties, viscosity, antioxidant activity, and microbiological parameters were evaluated. The 1% collagen treatment showed the highest protein content (9.75 ± 0.20 g/L), as well as radical inhibition for ATBS (48.30%) and DPPH (30.06%). There were no significant differences (p ≥ 0.05) in the fat and lactose parameters. However, the pH in the control treatment was lower compared to beverages treated with hydrolyzed collagen. Fourier transform-infrared spectroscopy showed spectra characteristic of lactose and collagen amides. The viscosity increased significantly as the concentration of hydrolyzed collagen increased. The addition of hydrolyzed collagen increased the bioavailability, nutritional value, and the antioxidant activity of the beverage. Hydrolyzed collagen acted as an antimicrobial agent, as there was no presence of microorganism pathogens observed in the treated beverages.
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Affiliation(s)
- Arely León-López
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Kilometro 1, Tulancingo C.P. 43600, Hidalgo, Mexico; (A.L.-L.); (X.A.P.-M.); (G.C.-L.); (R.G.C.-M.)
| | - Xóchitl Alejandra Pérez-Marroquín
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Kilometro 1, Tulancingo C.P. 43600, Hidalgo, Mexico; (A.L.-L.); (X.A.P.-M.); (G.C.-L.); (R.G.C.-M.)
| | - Gieraldin Campos-Lozada
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Kilometro 1, Tulancingo C.P. 43600, Hidalgo, Mexico; (A.L.-L.); (X.A.P.-M.); (G.C.-L.); (R.G.C.-M.)
| | - Rafael G. Campos-Montiel
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Kilometro 1, Tulancingo C.P. 43600, Hidalgo, Mexico; (A.L.-L.); (X.A.P.-M.); (G.C.-L.); (R.G.C.-M.)
| | - Gabriel Aguirre-Álvarez
- Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Avenida Universidad Kilometro 1, Tulancingo C.P. 43600, Hidalgo, Mexico; (A.L.-L.); (X.A.P.-M.); (G.C.-L.); (R.G.C.-M.)
- Uni-Collagen S.A. de C.V., Arnulfo González No. 203, El Paraíso, Tulancingo C.P. 43684, Hidalgo, Mexico
- Correspondence: ; Tel.: +52-775-145-9265
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27
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Influence of amino acids on thermal stability and heat-set gelation of bovine serum albumin. Food Chem 2020; 337:127670. [PMID: 32799159 DOI: 10.1016/j.foodchem.2020.127670] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 11/23/2022]
Abstract
This study investigated the parallels in the influence of amino acid additives on thermal denaturation temperature (Td) and heat-set gelation of bovine serum albumin (BSA). Complete denaturation of BSA occurred only when the gelation temperature (TG) was 14 °C above Td. Under these conditions, the relative effects of various amino acid additives on elevation of Td and gel strength followed a particular order. Further, while zwitterionic amino acids increased both the strength of junction zones and participation of protein in the gel network, sucrose increased the gel strength primarily by strengthening the existing junction zone. The net increase in Td of BSA was linearly correlated with the net increase in gel strength (ΔGS), indicating that the underlying molecular mechanism in both cases might be same. The results suggest that the rheological properties of protein gels can be enhanced by using amino acids, instead of polyols and sugars, as additives.
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Liu XL, Song CL, Chen JP, Liu X, Ren J, Zheng XQ. Preparation and Evaluation of New Glycopeptides Obtained by Proteolysis from Corn Gluten Meal Followed by Transglutaminase-Induced Glycosylation with Glucosamine. Foods 2020; 9:E555. [PMID: 32370047 PMCID: PMC7278801 DOI: 10.3390/foods9050555] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/15/2020] [Accepted: 04/21/2020] [Indexed: 11/16/2022] Open
Abstract
New glycopeptides were generated by proteolysis from corn gluten meal (CGM) followed by transglutaminase (TGase)-induced glycosylation with glucosamine (GlcN). The glycopeptides exhibited desirable antioxidant and intracellular ROS-scavenging properties. The amount of conjugated GlcN quantified by high-performance liquid chromatography (HPLC) was 23.0 g/kg protein. The formed glycopeptides contained both glycosylated and glycation types, as demonstrated by the electrospray ionization time-of-flight mass spectrometry (ESI-TOF MS/MS). The glycopeptides exhibited scavenging capabilities against free radical diphenylpicrylhydrazyl (DPPH) and hydroxyl radicals by reducing their power. The potential protection of glycopeptides against ethanol-induced injury in LO2 cells was assessed In Vitro based on methyl thiazole tetrazolium (MTT) testing and intracellular reactive oxygen species (ROS) scavenging capacity, respectively. Glycopeptide cytoprotection was expressed in a dose-dependent manner, with the glycopeptides exhibiting good solubility ranging from 74.8% to 83.2% throughout a pH range of 2-10. Correspondingly, the glycopeptides showed good emulsifying activity (36.0 m2/g protein), emulsion stability (74.9%), and low surface hydrophobicity (16.3). These results indicate that glycosylation of CGM significantly improved its biological and functional properties. Glycopeptides from CGM could be used as potential antioxidants as well as comprising a functional food ingredient.
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Affiliation(s)
- Xiao-Lan Liu
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
- College of Food, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chun-Li Song
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
| | - Jia-Peng Chen
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
| | - Xiang Liu
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
| | - Jian Ren
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
| | - Xi-Qun Zheng
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (X.-L.L.); (C.-L.S.); (J.-P.C.); (X.L.); (J.R.)
- College of Food, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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Liu G, Li W, Qin X, Zhong Q. Pickering emulsions stabilized by amphiphilic anisotropic nanofibrils of glycated whey proteins. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2019.105503] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Wang C, Li T, Ma L, Li T, Yu H, Hou J, Jiang Z. Consequences of superfine grinding treatment on structure, physicochemical and rheological properties of transglutaminase-crosslinked whey protein isolate. Food Chem 2020; 309:125757. [DOI: 10.1016/j.foodchem.2019.125757] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 10/15/2019] [Accepted: 10/20/2019] [Indexed: 10/25/2022]
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31
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Power OM, Maidannyk V, McSweeney DJ, Fenelon MA, O'Mahony JA, McCarthy NA. Water sorption and hydration properties of high protein milk powders are influenced by enzymatic crosslinking and calcium chelation. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.01.075] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Liu Y, Liu Y, Xu Z, Shan M, Ge X, Zhang Y, Shao S, Huang L, Wang W, Lu F. Effects of Bacillus subtilis transglutaminase treatment on the functional properties of whey protein. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108559] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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33
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Amer SA, Osman A, Al-Gabri NA, Elsayed SAM, Abd El-Rahman GI, Elabbasy MT, Ahmed SAA, Ibrahim RE. The Effect of Dietary Replacement of Fish Meal with Whey Protein Concentrate on the Growth Performance, Fish Health, and Immune Status of Nile Tilapia Fingerlings, Oreochromis niloticus. Animals (Basel) 2019; 9:ani9121003. [PMID: 31756970 PMCID: PMC6941161 DOI: 10.3390/ani9121003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/04/2019] [Accepted: 11/10/2019] [Indexed: 12/31/2022] Open
Abstract
Simple Summary Although fish meal is considered the main animal protein source in fish diets, its high cost and unavailability limit its use in aquafeed. Recently, the search for other high-quality replacers of fish meal in aquatic feeds is being carried out with increased attentiveness. However, very few investigations have been performed to assess the possible use of whey protein concentrates (WPC) in Nile tilapia feeds. Five replacement percentages of fish meal with WPC (0%, 13.8%, 27.7%, 41.6%, and 55.5%) were assessed. WPC could replace the fish meal in Nile tilapia diets up to 27.7%, with improving the gut health, the total weight of survival fish, and immune status of fish challenged with Aeromonas hydrophila. High inclusion levels of WPC are not recommended in fish diets, since they negatively affected the intestinal and liver tissues and increased the level of cellular apoptosis, as indicated by the increased caspase 3 activity. Abstract The present study was conducted to assess the effect of replacing fish meal with whey protein concentrate (WPC) on the growth performance, histopathological condition of organs, economic efficiency, disease resistance to intraperitoneal inoculation of Aeromonas hydrophila, and the immune response of Oreochromis niloticus. The toxicity of WPC was tested by measuring the activity of caspase 3 as an indicator of cellular apoptosis. Oreochromis niloticus fingerlings with average initial weight 18.65 ± 0.05 gm/fish (n = 225) for a 10-week feeding trial. The fish were randomly allocated to five experimental groups, having five replacement percentages of fish meal with WPC: 0%, 13.8%, 27.7%, 41.6%, and 55.5% (WPC0, WPC13.8, WPC27.7, WPC41.6, and WPC55.5); zero percentage represented the control group. The results show that the fish fed WPC had the same growth performance as the WPC0. The total weight of bacterially challenged surviving fish increased linearly and quadratically (p ≤ 0.05) by increasing the replacement percentage of fish meal with WPC. The growth hormone, nitric oxide, IgM, complement 3, and lysozyme activity were seen to increase significantly in WPC27.7, especially after a bacterial challenge. The phagocytic percentage and phagocytic index increased significantly in WPC27.7, WPC41.6, and WPC55.5 groups. Histopathological examination of liver sections was badly affected by high replacement in WPC41.6–55.5. The activity of caspase 3 in the immunohistochemical stained sections of the intestine was increased significantly by increasing the inclusion level of WPC. Economically, the total return of the total surviving fish after the bacterial challenge was increased significantly by fish meal replacement with WPC. It could be concluded that WPC could replace the fish meal in Nile tilapia diets up to 27.7%, with improving the gut health, the total weight of survival fish, and immune status of fish challenged with A. hydrophila. High inclusion levels of WPC are not recommended in fish diets, since they negatively affected the intestinal and liver tissues and increased the level of cellular apoptosis, as indicated by the increased caspase 3 activity. Further researches are recommended to evaluate the effect of fish meal replacement with WPC on the histopathological examination of the kidney and to test the capacity of serum IgM to clot the bacteria used for the challenge.
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Affiliation(s)
- Shimaa A. Amer
- Department of Nutrition & Clinical Nutrition, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
- Correspondence: or
| | - Ali Osman
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 4451, Egypt
| | - Naif A. Al-Gabri
- Pathology Department, Faculty of Veterinary Medicine, Thamar University, Dahamar 1519, Yemen
| | - Shafika A. M. Elsayed
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
| | - Ghada I. Abd El-Rahman
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Mohamed Tharwat Elabbasy
- College of Public Health and Molecular Diagnostics and Personalized Therapeutics Center (CMDPT), Hail University, Hail 2440, Saudi Arabia
- Food Control Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt
| | - Shaimaa A. A. Ahmed
- Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
| | - Rowida E. Ibrahim
- Department of Fish Diseases and Management, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt
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34
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Zhang Y, Ertbjerg P. On the origin of thaw loss: Relationship between freezing rate and protein denaturation. Food Chem 2019; 299:125104. [DOI: 10.1016/j.foodchem.2019.125104] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/17/2019] [Accepted: 06/29/2019] [Indexed: 10/26/2022]
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35
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Carvalho NCD, Pessato TB, Negrão F, Eberlin MN, Behrens JH, Zollner RDL, Netto FM. Physicochemical changes and bitterness of whey protein hydrolysates after transglutaminase cross-linking. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108291] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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36
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Liu Y, Huang L, Zheng D, Fu Y, Shan M, Li Y, Xu Z, Jia L, Wang W, Lu F. Characterization of transglutaminase from Bacillus subtilis and its cross-linking function with a bovine serum albumin model. Food Funct 2019; 9:5560-5568. [PMID: 30306167 DOI: 10.1039/c8fo01503a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Finding new crosslinking enzymes for enzyme-mediated protein conjugation is a great need in the food industry. In this research, the properties of Bacillus subtilis transglutaminase (BTG) were characterized in detail and its protein crosslinking functions with bovine serum albumin (BSA) as a model were studied. Compared to the commercial transglutaminase from Streptoverticillium mobaraense, BTG was more stable in a broad range of temperatures (30-60 °C) and pH values (pH 5.0-9.0), with its maximum enzymatic activity at 60 °C and pH 8.0. The protein function evaluation results demonstrated that the BTG-modified BSA showed better emulsifying and foaming properties (p < 0.05) compared with the native one. Additionally, significant improvements (p < 0.05) were observed in the rheological properties, water holding capacity, and textural properties of the BTG-treated BSA gels. With good thermal and pH stability and excellent crosslinking effects, BTG would be a potential enzyme for food structure engineering to improve the functional properties of food proteins and expand their applications.
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Affiliation(s)
- Yihan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P. R. China.
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37
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Liu C, Damodaran S, Heinonen M. Effects of microbial transglutaminase treatment on physiochemical properties and emulsifying functionality of faba bean protein isolate. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.10.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Antioxidative Role of Buffalo (Bubalus bubalis) Colostrum Whey Derived Peptides During Oxidative Damage. Int J Pept Res Ther 2018. [DOI: 10.1007/s10989-018-9795-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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39
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Jiang S, Altaf hussain M, Cheng J, Jiang Z, Geng H, Sun Y, Sun C, Hou J. Effect of heat treatment on physicochemical and emulsifying properties of polymerized whey protein concentrate and polymerized whey protein isolate. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.08.028] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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40
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Encapsulation of β-lactoglobulin within calcium carbonate microparticles and subsequent in situ fabrication of protein microparticles. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.05.054] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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41
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Qin X, Yuan D, Wang Q, Hu Z, Wu Y, Cai J, Huang Q, Li S, Liu G. Maillard-Reacted Whey Protein Isolates Enhance Thermal Stability of Anthocyanins over a Wide pH Range. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:9556-9564. [PMID: 30107731 DOI: 10.1021/acs.jafc.8b03125] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The poor thermal and acid stabilities of anthocyanins greatly limit their industrial applications as functional food ingredients. This work investigated the ability of the Maillard reaction products (MRPs) of whey protein isolates and glucose to enhance the thermal stability of anthocyanins over the pH range of 2.0-7.0. Anthocyanin dispersions were subjected to up to 120 min of thermal treatment at 80 °C. The improvement in the color stability and antioxidant capacity of the anthocyanin dispersions indicated that MRP remarkably inhibited anthocyanin degradation. Fluorescence spectroscopy results suggested that anthocyanins and MRPs form complexes through hydrophobic interactions. These complexes effectively attenuated anthocyanin degradation under heat treatment at pH 6.0. The particle sizes of MRPs alone or in complex with anthocyanins remained unchanged after heating. The novel protein delivery system proposed in this study expands the applications of anthocyanins as acid- and heat-stable functional food ingredients.
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Affiliation(s)
- Xinguang Qin
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Dan Yuan
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Qi Wang
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Zhongze Hu
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Yang Wu
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Jie Cai
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Qingrong Huang
- Department of Food Science , Rutgers University , 65 Dudley Road , New Brunswick , New Jersey 08901 , United States
| | - Shuyi Li
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
| | - Gang Liu
- College of Food Science and Engineering , Wuhan Polytechnic University , Wuhan , People's Republic of China 430023
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42
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Oteng-Pabi SK, Clouthier CM, Keillor JW. Design of a glutamine substrate tag enabling protein labelling mediated by Bacillus subtilis transglutaminase. PLoS One 2018; 13:e0197956. [PMID: 29847605 PMCID: PMC5976192 DOI: 10.1371/journal.pone.0197956] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 05/13/2018] [Indexed: 02/07/2023] Open
Abstract
Transglutaminases (TGases) are enzymes that catalyse protein cross-linking through a transamidation reaction between the side chain of a glutamine residue on one protein and the side chain of a lysine residue on another. Generally, TGases show low substrate specificity with respect to their amine substrate, such that a wide variety of primary amines can participate in the modification of specific glutamine residue. Although a number of different TGases have been used to mediate these bioconjugation reactions, the TGase from Bacillus subtilis (bTG) may be particularly suited to this application. It is smaller than most TGases, can be expressed in a soluble active form, and lacks the calcium dependence of its mammalian counterparts. However, little is known regarding this enzyme and its glutamine substrate specificity, limiting the scope of its application. In this work, we designed a FRET-based ligation assay to monitor the bTG-mediated conjugation of the fluorescent proteins Clover and mRuby2. This assay allowed us to screen a library of random heptapeptide glutamine sequences for their reactivity with recombinant bTG in bacterial cells, using fluorescence assisted cell sorting. From this library, several reactive sequences were identified and kinetically characterized, with the most reactive sequence (YAHQAHY) having a kcat/KM value of 19 ± 3 μM-1 min-1. This sequence was then genetically appended onto a test protein as a reactive 'Q-tag' and fluorescently labelled with dansyl-cadaverine, in the first demonstration of protein labelling mediated by bTG.
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Affiliation(s)
- Samuel K. Oteng-Pabi
- Department of Chemistry and Biomolecular Sciences, Centre for Catalysis and Research Innovation, University of Ottawa, 30 Marie-Curie, Ottawa, Ontario, Canada
| | - Christopher M. Clouthier
- Department of Chemistry and Biomolecular Sciences, Centre for Catalysis and Research Innovation, University of Ottawa, 30 Marie-Curie, Ottawa, Ontario, Canada
| | - Jeffrey W. Keillor
- Department of Chemistry and Biomolecular Sciences, Centre for Catalysis and Research Innovation, University of Ottawa, 30 Marie-Curie, Ottawa, Ontario, Canada
- * E-mail:
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43
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The ultrafiltration efficiency and mechanism of transglutaminase enzymatic membrane reactor (EMR) for protein recovery from cheese whey. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2017.12.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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44
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Enhancement of physicochemical properties of whey protein-stabilized nanoemulsions by interfacial cross-linking using cinnamaldehyde. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.11.047] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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45
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Ma S, Yang X, Wang C, Guo M. Effect of ultrasound treatment on antioxidant activity and structure of β-Lactoglobulin using the Box–Behnken design. CYTA - JOURNAL OF FOOD 2018. [DOI: 10.1080/19476337.2018.1441909] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Shuang Ma
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun, PR China
| | - Xu Yang
- Department of Radiotherapy, First Hospital of Jilin University, Changchun, PR China
| | - Cuina Wang
- Department of Food Science, College of Food Science and Engineering, Jilin University, Changchun, PR China
| | - Mingruo Guo
- Department of Nutrition and Food Sciences, College of Agriculture and Life Science, University of Vermont, Burlington, VT, USA
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46
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Chen A, Tanidjaja I, Damodaran S. Nanostructure and functionality of enzymatically repolymerized whey protein hydrolysate. Food Chem 2018; 256:405-412. [PMID: 29606467 DOI: 10.1016/j.foodchem.2018.02.103] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 02/15/2018] [Accepted: 02/20/2018] [Indexed: 10/18/2022]
Abstract
Whey proteins (WPI) were polymerized with transglutaminase (TGase) before and after partially hydrolyzing the protein with thermolysin to produce protein nanoparticles/polymers. Electrophoresis and atomic force microscopy (AFM) were used to determine the size and structural characteristics of the polymers. The foaming and emulsifying properties of these nanoparticles were studied. The polymerized WPI (WPI-TG) produced more stable foams than the repolymerized WPI hydrolysate (WPIH-TG). In contrast, WPIH-TG produced better emulsions with better storage stability than WPI-TG emulsions. These differences were due to their structure and electrostatic properties: The WPI-TG particles were linear, less than 100 nm in size with lower net negative charge, whereas the WPIH-TG polymers were much larger and were highly negatively charged as judged from zeta potential. This suggested that while protein nanoparticles may provide Pickering stability to both emulsions and foams, strong lateral electrostatic repulsion between nanoparticles within the adsorbed film destabilizes foams but not emulsions.
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Affiliation(s)
- Amelia Chen
- Department of Food Science, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Indra Tanidjaja
- Department of Food Science, University of Wisconsin-Madison, Madison, WI 53706, United States
| | - Srinivasan Damodaran
- Department of Food Science, University of Wisconsin-Madison, Madison, WI 53706, United States.
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Abstract
Consumers' expectations from a dairy product have changed dramatically during the last two decades. People are now more eager to purchase more nutritious dairy foods with improved sensory characteristics. Dairy industry has made many efforts to meet such expectations and numerious production strategies and alternatives have been developed over the years including non-thermal processing, membrane applications, enzymatic modifications of milk components, and so on. Among these novel approaches, transglutaminase (TG)-mediated modifications of milk proteins have become fairly popular and such modifications in dairy proteins offer many advantages to the dairy industry. Since late 1980s, a great number of researches have been done on TG applications in milk and dairy products. Especially, milk proteins-based edible films and gels from milk treated with TG have found many application fields at industrial level. This chapter reviews the characteristics of microbial-origin TG as well as its mode of action and recent developments in TG applications in dairy technology.
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48
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Sequential ultrasound and transglutaminase treatments improve functional, rheological, and textural properties of whey protein concentrate. INNOV FOOD SCI EMERG 2017. [DOI: 10.1016/j.ifset.2017.08.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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49
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Physicochemical characteristics and antigenicity of whey protein hydrolysates obtained with and without pH control. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.02.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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50
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Cheng J, Liu JH, Prasanna G, Jing P. Spectrofluorimetric and molecular docking studies on the interaction of cyanidin-3-O-glucoside with whey protein, β-lactoglobulin. Int J Biol Macromol 2017; 105:965-972. [PMID: 28751048 DOI: 10.1016/j.ijbiomac.2017.07.119] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 06/30/2017] [Accepted: 07/18/2017] [Indexed: 01/05/2023]
Abstract
The interaction of β-Lactoglobulin (β-Lg) with cyanidin-3-O-glucoside (C3G) was characterized using fluorescence, circular dichroism spectroscopy, and docking studies under physiological conditions. Fluorescence studies showed that β-Lg has a strong binding affinity for C3G via hydrophobic interaction with the binding constant, Ka, of 3.14×104M-1 at 298K. The secondary structure of β-Lg displayed an increase in the major structure of β-sheet upon binding with C3G, whereas a decrease in the minor structure of α-helix was also observed. In addition, evidenced by near UV-CD, the interaction also disrupted the environments of Trp residues. The molecular docking results illustrated that both hydrogen bonding and the hydrophobic interaction are involved as an acting force during the binding process. These results may contribute to a better understanding over the enhanced physicochemical proprieties of anthocyanins due to the complexation with milk proteins.
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Affiliation(s)
- Jing Cheng
- Research Center for Food Safety and Nutrition, Key Lab of Urban Agriculture (South), Bor S. Luh Food Safety Research Center, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jian-Hua Liu
- College of Resources and Environment Engineering, Yibin University, Yibin 644000, Sichuan, China
| | - Govindarajan Prasanna
- Research Center for Food Safety and Nutrition, Key Lab of Urban Agriculture (South), Bor S. Luh Food Safety Research Center, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Pu Jing
- Research Center for Food Safety and Nutrition, Key Lab of Urban Agriculture (South), Bor S. Luh Food Safety Research Center, School of Agriculture & Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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