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Kolotylo V, Piwowarek K, Kieliszek M. Microbiological transglutaminase: Biotechnological application in the food industry. Open Life Sci 2023; 18:20220737. [PMID: 37791057 PMCID: PMC10543708 DOI: 10.1515/biol-2022-0737] [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: 07/12/2023] [Revised: 08/31/2023] [Accepted: 09/03/2023] [Indexed: 10/05/2023] Open
Abstract
Microbial transglutaminases (mTGs) belong to the family of global TGs, isolated and characterised by various bacterial strains, with the first being Streptomyces mobaraensis. This literature review also discusses TGs of animal and plant origin. TGs catalyse the formation of an isopeptide bond, cross-linking the amino and acyl groups. Due to its broad enzymatic activity, TG is extensively utilised in the food industry. The annual net growth in the utilisation of enzymes in the food processing industry is estimated to be 21.9%. As of 2020, the global food enzymes market was valued at around $2.3 billion USD (mTG market was estimated to be around $200 million USD). Much of this growth is attributed to the applications of mTG, benefiting both producers and consumers. In the food industry, TG enhances gelation and modifies emulsification, foaming, viscosity, and water-holding capacity. Research on TG, mainly mTG, provides increasing insights into the wide range of applications of this enzyme in various industrial sectors and promotes enzymatic processing. This work presents the characteristics of TGs, their properties, and the rationale for their utilisation. The review aims to provide theoretical foundations that will assist researchers worldwide in building a methodological framework and furthering the advancement of biotechnology research.
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Affiliation(s)
- Vitaliy Kolotylo
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
| | - Kamil Piwowarek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences – SGGW, Nowoursynowska 159 C, 02-776Warsaw, Poland
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2
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Chen CC, Kao MC, Chen CJ, Jao CH, Hsieh JF. Improvement of enzymatic cross-linking of ovalbumin and ovotransferrin induced by transglutaminase with heat and reducing agent pretreatment. Food Chem 2023; 409:135281. [PMID: 36586251 DOI: 10.1016/j.foodchem.2022.135281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/27/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
The effects of transglutaminase (TGase, 1.0 unit/mL) with heat (95 °C, 5 min), 2-mercaptoethanol (2-ME, 0.83 %), and l-cysteine (l-Cys, 50 mM) pretreatment on the cross-linking of ovalbumin (OVA) and ovotransferrin (OVT) were investigated. SDS-PAGE revealed that although the polymerization of OVA and OVT did not occur after 3 h of incubation at 40 °C with TGase, OVA polymerized into high molecular weight polymers following TGase with 2-ME and heat pretreatment after 3 h of incubation. The surface hydrophobicity and reactive sulfhydryl (SH) groups of OVA samples significantly increased from 4065.7 ± 136.7 and 89.3 ± 1.2 SH groups (μmol/g) to 31483.6 ± 342.7 and 119.5 ± 3.7 SH groups (μmol/g), respectively. Similar results were obtained for OVT with TGase and l-Cys pretreatment and a 3-h incubation at 40 °C. The use of TGase, a reducing agent, and/or heat pretreatment can be used for the polymerization of OVA and OVT.
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Affiliation(s)
- Chun-Chi Chen
- Ph.D. Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Ming-Ching Kao
- Department of Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Chao-Jung Chen
- Ph.D. Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Cheng-Hsun Jao
- Department of Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Jung-Feng Hsieh
- Ph.D. Program in Nutrition and Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan; Department of Food Science, Fu Jen Catholic University, New Taipei City 242, Taiwan.
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3
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Ma B, Fu X, Zhu P, Lu Z, Niu J, Lu F. Allergenicity, assembly and applications of ovalbumin in egg white: a review. Crit Rev Food Sci Nutr 2023:1-17. [PMID: 37096553 DOI: 10.1080/10408398.2023.2202774] [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] [Indexed: 04/26/2023]
Abstract
Ovalbumin (OVA), the most abundant protein in egg whites, has been widely used in various industries. Currently, the structure of OVA has been clearly established, and the extraction of high-purified OVA has become feasible. However, the allergenicity of OVA is still a serious problem because it can cause severe allergic reactions and may even be life-threatening. The structure and allergenicity of the OVA can be altered by many processing methods. In this article, a detailed description on the structure and a comprehensive overview on the extraction protocols and the allergenicity of OVA was documented. Additionally, the information on assembly and potential applications of OVA was summarized and discussed in detail. Physical treatment, chemical modification, and microbial processing can be applied to alter the IgE-binding capacity of OVA by changing its structure and linear/sequential epitopes. Furthermore, research indicated that OVA could assemble with itself or other biomolecules into various forms (particles, fibers, gels, and nanosheets), which expanded its application in the food field. OVA also shows excellent application prospects, including food preservation, functional food ingredients and nutrient delivery. Therefore, OVA demonstrates significant investigation value as a food grade ingredient.
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Affiliation(s)
- Bin Ma
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Xing Fu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, PR China
| | - Ping Zhu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Zhaoxin Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Jiafeng Niu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
| | - Fengxia Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, PR China
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Hu X, Hu WX, Lu HY, Liu S, Rao SQ, Yang ZQ, Jiao XA. Glycosylated cross-linked ovalbumin by transglutaminase in the presence of oligochitosan: Effect of enzyme action time and enhanced functional properties. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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5
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Ovalbumin, an outstanding food hydrocolloid: Applications, technofunctional attributes, and nutritional facts, A systematic review. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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6
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Facile construction of fruit protein based natural hydrogel via intra/inter molecular cross-linking. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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7
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Transglutaminase treatment and pH shifting to manipulate physicochemical properties and formation mechanism of cubic fat substitutes. Food Chem X 2022; 16:100508. [DOI: 10.1016/j.fochx.2022.100508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022] Open
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8
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Sheng L, Liu Q, Dong W, Cai Z. Effect of high intensity ultrasound assisted glycosylation on the gel properties of ovalbumin: Texture, rheology, water state and microstructure. Food Chem 2022; 372:131215. [PMID: 34601420 DOI: 10.1016/j.foodchem.2021.131215] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 09/18/2021] [Accepted: 09/21/2021] [Indexed: 02/06/2023]
Abstract
In this paper, the effects of ultrasonic assisted glycosylation on the gel properties of ovalbumin (OVA) were studied. The molecular characteristics of native ovalbumin, heated ovalbumin, traditional glycosylated ovalbumin, ultrasonic ovalbumin and ultrasonic assisted glycosylated ovalbumin were compared. The lowest free amino group content and the highest browning intensity indicated that ultrasonic can facilitate the Maillard reaction. The gel hardness of ultrasonic glycosylation and the traditional heating glycosylation groups individually increased to 653.2 and 526.9 g compared with the control (344.9 g). The transformation of protein structure was confirmed by FTIR and fluorescence spectrum, which prompted negatively charged groups to reach the protein surface and form more disulfide bond in sOVA-X gel. The interaction between the water and the protein was strengthened, thereby increasing the water holding capacity. These results supplied a theoretical basis for the application of ultrasonic to improve protein properties.
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Affiliation(s)
- Long Sheng
- National Research and Development Center for Egg Processing, Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Qiao Liu
- National Research and Development Center for Egg Processing, Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Wanyi Dong
- National Research and Development Center for Egg Processing, Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China
| | - Zhaoxia Cai
- National Research and Development Center for Egg Processing, Hubei Hongshan Laboratory, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, PR China.
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Lv X, Huang X, Ma B, Chen Y, Batool Z, Fu X, Jin Y. Modification methods and applications of egg protein gel properties: A review. Compr Rev Food Sci Food Saf 2022; 21:2233-2252. [PMID: 35293118 DOI: 10.1111/1541-4337.12907] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 11/24/2021] [Accepted: 12/22/2021] [Indexed: 01/11/2023]
Abstract
Egg protein (EP) has a variety of functional properties, such as gelling, foaming, and emulsifying. The gel characteristics provide a foundation for applications in the food industry and research on EP. The proteins denature and aggregate to form a dense three-dimensional gel network structure, with a process influenced by protein concentration, pH, ion type, and strength. In addition, the gelation properties of EP can be altered to varying degrees by applying different treatment conditions to EP. Currently, modification methods for proteins include physical modification (heat-induced denaturation, freeze-thaw modification, high-pressure modification, and ultrasonic modification), chemical modification (glycosylation modification, phosphorylation modification, acylation modification, ethanol modification, polyphenol modification), and biological modification (enzyme modification). Pidan, salted eggs, egg tofu, and other egg products have unique sensory properties, due to the gel properties of EP. In accessions, EP has also been used as a new ingredient in food packaging and biopharmaceuticals due to its gel properties. This review will further promote EP gel research and provide guidance for its full application in many fields.
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Affiliation(s)
- Xiaohui Lv
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xi Huang
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Bin Ma
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yue Chen
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Zahra Batool
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Xing Fu
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yongguo Jin
- National Research and Development Center for Egg Processing, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, People's Republic of China
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Fang M, Xiong S, Yin T, Hu Y, Liu R, Du H, Liu Y, You J. In vivo digestion and absorption characteristics of surimi gels with different degrees of cross-linking induced by transglutaminase (TGase). Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.107007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Akazawa T, Itami H, Furumoto T, Nozaki C, Koike H, Iritani S, Amimoto N, Ogawa M. Impact of an Olive Leaf Polyphenol 3,4-DHPEA-EDA on Physical Properties of Food Protein Gels. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:14250-14258. [PMID: 34730369 DOI: 10.1021/acs.jafc.1c04661] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A cold-water extract of olive leaves (Olea europaea L.) is useful as a texture-improving agent for food protein gels. In this work, the compound contributing to the improvement of gel properties was investigated by using the egg white gel (EWG) as a model for food protein gels. Adding 1.0% (w/v) cold-water extract (OLEx) greatly improved the elasticity (2.1 times), viscosity (4.5 times), and breaking stress (1.4 times) of the EWG. Chemical analyses of the protein revealed that the enhancement of physical properties by OLEx was attributed to protein cross-linking activity of polyphenols. LC/MS and NMR analyses indicated that a major protein cross-linker is the dialdehydic form of demethoxycarbonylelenolic acid linked to hydroxytyrosol (3,4-DHPEA-EDA), which is an aglycone derived from oleuropein, a major polyphenol of olive leaves. These results suggest that 3,4-DHPEA-EDA generated by cold-water extraction from the leaf improves the physical properties, that is, texture, of protein gels.
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Affiliation(s)
- Takashi Akazawa
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
- Department of Food Management, School of Food, Agricultural and Environmental Sciences, Miyagi University, Sendai, Miyagi 982-0215, Japan
| | - Hikaru Itami
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Toshio Furumoto
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Chie Nozaki
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Hiroyuki Koike
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Saika Iritani
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Naoyuki Amimoto
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
| | - Masahiro Ogawa
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa 761-0795, Japan
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12
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Ultrasound-Assisted Transglutaminase Catalysis of the Cross-Linking and Microstructure of αs-Casein, β-Casein and κ-Casein. Processes (Basel) 2021. [DOI: 10.3390/pr9091630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The effects of ultrasonic treatment (UT)-assisted transglutaminase (TGase) catalysis on the physicochemical properties of individual αs-casein (αs-CN), β-casein (β-CN), and κ-casein (κ-CN) were investigated. After 60 min of incubation at 30 °C, αs-CN, β-CN, and κ-CN were cross-linked with TGase (6.0 units/mL), and high molecular weight polymers (>200 kDa) were formed. The use of TGase in conjunction with UT (20 kHz, power of 400 W, and amplitude 20%) led to an increase in the rate of αs-CN, β-CN, and κ-CN polymerization compared to the individual casein that contained TGase but did not undergo UT. SDS-PAGE scrutiny showed that the intensities of αs-CN, β-CN, and κ-CN incubation with regard to TGase and UT at 30 °C for 60 min noticeably decreased to 5.66 ± 0.39, 3.97 ± 0.43, and 26.07 ± 1.18%, respectively (p < 0.05). Particle size analysis results indicated that the molecule size appropriation for the cross-linking of αs-CN, β-CN, and κ-CN ranged from 6000 to 10,000 nm after 60 min incubation with TGase and UT. Transmission electron microscopy investigation showed network structures of cross-linking αs-CN, β-CN, and κ-CN were formed from αs-CN, β-CN, and κ-CN, respectively. As our results show, the comprehensive utilization of TGase and UT will be a superior method for the polymerization of αs-CN, β-CN, and κ-CN.
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Development and characterization of antimicrobial and antioxidant whey protein-based films functionalized with Pecan (Carya illinoinensis) nut shell extract. Food Packag Shelf Life 2021. [DOI: 10.1016/j.fpsl.2021.100710] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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14
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Liu Y, Zhang Y, Guo Z, Wang C, Kang H, Li J, Wang W, Li Y, Lu F, Liu Y. Enhancing the functional characteristics of soy protein isolate via cross-linking catalyzed by Bacillus subtilis transglutaminase. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:4154-4160. [PMID: 33368295 DOI: 10.1002/jsfa.11052] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/12/2020] [Accepted: 12/26/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Although Streptomyces mobaraense transglutaminase (MTG) has been extensively applied to enhance the functional characteristics of soy protein isolate (SPI) through cross-linking, various transglutaminases (TGs) in nature may provide more choice in the food industry. Previous research reported that TG derived from Bacillus subtilis (BTG) exhibited better pH stability and thermostability than MTG. RESULTS An attempt was made to study the influence of BTG induced cross-linking on the properties of SPI. Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) results indicated that almost all protein constituents (α', α, β, AS, and BS) in SPI could be cross-linked with BTG treatment. The BTG treatment also resulted in a significant increase (*P < 0.05) in SPI mean particle size. Emulsifying activity and stability were improved from 0.11535 m2 g-1 and 48.3% for native SPI to 0.13252 m2 g-1 and 83.9% for SPI treated with BTG at 6 h. Similarly, the modified SPI showed better foam activity (1.32 mL) and stability (87.6%) than the original SPI (0.93 mL and 56.8%). The water-holding capacity of SPI gel was found to increase with time, with a value of 95.43% at 6 h. Furthermore, SPI gel's texture profiles were greatly improved by adding BTG (*P < 0.05). CONCLUSION The results of the present study indicated that BTG could be a promising cross-linking agent for improving the functional characteristics of SPI. As a substitute for MTG, BTG could thus potentially be used for food structure engineering to enhance the functional characteristics of multiple proteins to advance the development of food chemistry. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Yexue 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, P. R. China
| | - Yuanfu Zhang
- 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, P. R. China
| | - Zehui Guo
- 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, P. R. China
| | - Chen Wang
- 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, P. R. China
| | - Hongwei Kang
- 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, P. R. China
| | - Jingwen Li
- 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, P. R. China
| | - Wenhang Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin, P. R. China
- Key Laboratory of Food Nutrition and Safety, Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science and Technology, Tianjin, P. R. China
| | - Yu Li
- 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, P. R. China
- State Key Laboratory of Food Nutrition and Safety, Tianjin, P. R. China
| | - Fuping Lu
- 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, P. R. China
- State Key Laboratory of Food Nutrition and Safety, Tianjin, P. R. China
| | - 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, P. R. China
- State Key Laboratory of Food Nutrition and Safety, Tianjin, P. R. China
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15
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Vapor A, Mendonça A, Tomaz CT. Processes for reducing egg allergenicity: Advances and different approaches. Food Chem 2021; 367:130568. [PMID: 34343811 DOI: 10.1016/j.foodchem.2021.130568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 01/03/2023]
Abstract
Egg is a versatile ingredient and ubiquitous food. Nevertheless, egg proteins are a common cause of allergy mainly in childhood. Until now, egg eviction has been the best way to prevent this disorder, however, processed food can contribute to mitigate allergies and to guarantee life quality of allergic individuals. This review focuses on discussing and highlighting recent advances in processes to reduce egg allergenicity as well as new approaches to egg allergy management. In recent times, different methods have been developed to reduce egg allergies, by hiding the epitopes or changing the native or conformational structure of the proteins. Despite processing food has not yet been a solution to completely remove the allergenic potential of egg proteins, innovative strategies, such as addition of phenolic compounds, have been developed with promising results.
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Affiliation(s)
- Alcides Vapor
- Department of Chemistry, Faculty of Sciences, Universidade da Beira Interior, Covilhã, Portugal; CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - António Mendonça
- Department of Chemistry, Faculty of Sciences, Universidade da Beira Interior, Covilhã, Portugal; CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal
| | - Cândida T Tomaz
- Department of Chemistry, Faculty of Sciences, Universidade da Beira Interior, Covilhã, Portugal; CICS-UBI, Health Sciences Research Centre, Universidade da Beira Interior, Covilhã, Portugal.
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16
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Li M, Karboune S, Liu L, Light K, L'Hocine L, Achouri A, Pitre M, Mateo C. Combining phenolic grafting and laccase-catalyzed cross-linking: Effects on structures, technofunctional properties and human immunoglobulin E binding capacity of egg white proteins. Food Chem 2021; 355:129587. [PMID: 33857721 DOI: 10.1016/j.foodchem.2021.129587] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 01/31/2021] [Accepted: 03/06/2021] [Indexed: 11/19/2022]
Abstract
The efficiency of laccase-catalyzed protein cross-linking can be impacted by substrate protein structure and competing reactions. In this study, chemical grafting of ferulic acid (FA) on protein surface was applied to modulate the cross-linking of two inflexible globular proteins, lysozyme (LZM) and ovalbumin (OVA). The extent of FA-grafting was positively correlated with protein cross-linking extent, and determined the molecular weight profile and structures of the cross-linked product. While laccase-catalyzed reactions (with or without free FA mediator) did not lead to evident cross-linking of the native proteins, oligomeric (up to 16.4%), polymeric (up to 30.6%) FA-LZMs and oligomeric FA-OVA (5.1-31.1%) were obtained upon the enzymatic treatments. The cross-linking on the grafted FA sites occurred mainly through the formation of 8-5'-noncyclic-dehydro-diferulic linkages. The effects of investigated cross-linking approach on the emulsifying, foaming properties and the immunoglobulin E (IgE) binding capacity of LZM and OVA were also evaluated in relation to the structural properties of cross-linked proteins.
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Affiliation(s)
- Mingqin Li
- Department of Food Science and Agricultural Chemistry, Macdonald Campus, McGill University, Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada
| | - Salwa Karboune
- Department of Food Science and Agricultural Chemistry, Macdonald Campus, McGill University, Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada.
| | - Lan Liu
- Department of Food Science and Agricultural Chemistry, Macdonald Campus, McGill University, Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada
| | - Kelly Light
- Department of Food Science and Agricultural Chemistry, Macdonald Campus, McGill University, Ste-Anne-de-Bellevue, Québec H9X 3V9, Canada
| | - Lamia L'Hocine
- Agriculture and Agri-Food Canada, Casavant Blvd. West, St. Hyacinthe, QC J2S 8E3, Canada
| | - Allaoua Achouri
- Agriculture and Agri-Food Canada, Casavant Blvd. West, St. Hyacinthe, QC J2S 8E3, Canada
| | - Mélanie Pitre
- Agriculture and Agri-Food Canada, Casavant Blvd. West, St. Hyacinthe, QC J2S 8E3, Canada
| | - Cesar Mateo
- Department of Biocatalysis, Institute of Catalysis and Petrochemistry CSIC, Campus UAM, 28049 Madrid, Spain
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Liu Q, Cui H, Muhoza B, Duhoranimana E, Hayat K, Zhang X, Ho CT. Mild Enzyme-Induced Gelation Method for Nanoparticle Stabilization: Effect of Transglutaminase and Laccase Cross-Linking. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1348-1358. [PMID: 33492149 DOI: 10.1021/acs.jafc.0c05444] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Low-environment-sensitive nanoparticles were prepared by enzymatic cross-linking of electrostatic complexes of dextran-grafted whey protein isolate (WPI-Dextran) and chondroitin sulfate (ChS). The effect of transglutaminase (TG) and laccase cross-linking on nanoparticle stability was investigated. Covalent TG cross-linking and grafted dextran cooperatively contributed to the stability of nanoparticles against dissociation and aggregation under various harsh environmental conditions (sharply varying pH, high ionic strength, high temperature, and their combined effects). However, fragmentation induced by laccase treatment did not promote nanoparticle stability. Structural characterization showed that the compact structure promoted by TG-induced covalent isopeptide bonds repressed dissociation against varying environmental conditions and thermal-induced aggregation. Furthermore, the increasing α-helix and decreasing random coil contents benefited the formation of disulfide bonds, further contributing to the enhanced stability of nanoparticles cross-linked by TG, whereas weak hydrophobic interactions and hydrogen bonding as evidenced by the increase in β-sheet and microenvironmental changes were not able to maintain the stability of nanoparticles treated with laccase. Encapsulated cinnamaldehyde presented sustained release from TG-cross-linked nanoparticles, and the bioaccessibility was considerably enhanced to 50.7%. This research developed a novel mild strategy to enhance nanoparticle stability in harsh environments and digestive conditions, which could be an effective delivery vehicle for hydrophobic nutrients and drug applications in food and pharmaceutical industries.
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Affiliation(s)
- Qian Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu, China
| | - Heping Cui
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu, China
| | - Bertrand Muhoza
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu, China
| | - Emmanuel Duhoranimana
- Department of Biotechnologies, Faculty of Applied Fundamental Sciences, Institutes of Applied Sciences, Ruhengeri Institute of Higher Education (INES-Ruhengeri), Musanze NM155, Ruhengeri 155, Republic of Rwanda
| | - Khizar Hayat
- Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
| | - Xiaoming Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Avenue, Wuxi 214122, Jiangsu, China
| | - Chi-Tang Ho
- Department of Food Science, Rutgers University, 65 Dudley Road, New Brunswick, New Jersey 08901, United States
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Dell'Olmo E, Gaglione R, Arciello A, Piccoli R, Cafaro V, Di Maro A, Ragucci S, Porta R, Giosafatto CVL. Transglutaminase-mediated crosslinking of a host defence peptide derived from human apolipoprotein B and its effect on the peptide antimicrobial activity. Biochim Biophys Acta Gen Subj 2020; 1865:129803. [PMID: 33249170 DOI: 10.1016/j.bbagen.2020.129803] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/03/2020] [Accepted: 11/23/2020] [Indexed: 01/14/2023]
Abstract
Background Microbial transglutaminase (mTG) has been successfully used to produce site-specific protein conjugates derivatized at the level of Gln and/or Lys residues for different biotechnological applications. Here, a recombinant peptide identified in human apolipoprotein B sequence, named r(P)ApoBL and endowed with antimicrobial activity, was studied as a possible acyl acceptor substrate of mTG with at least one of the six Lys residues present in its sequence. Methods The enzymatic crosslinking reaction was performed in vitro using N,N-dimethylcasein, substance P and bitter vetch (Vicia ervilia) seed proteins, well known acyl donor substrates in mTG-catalyzed reactions. Mass spectrometry analyses were performed for identifying the Lys residue(s) involved in the crosslinking reaction. Finally, bitter vetch protein-based antimicrobial films grafted with r(P)ApoBL were prepared and, their biological activity evaluated. Results r(P)ApoBL was able to be enzymatically modified by mTG. In particular, it was demonstrated the highly selective crosslinking of the peptide under study by mTG at level of Lys-18. Interestingly, the biological activity of the peptide when grafted into protein-based films was found to be lost following mTG-catalyzed crosslinking. Conclusions r(P)ApoBL was shown to be an effective acyl acceptor substrate of mTG. The involvement of Lys-18 in the enzymatic reaction was demonstrated. In addition, films grafted with r(P)ApoBL in the presence of mTG lost antimicrobial property. General significance A possible role of mTG as biotechnological tool to modulate the r(P)ApoBL antimicrobial activity was hypothesized, and a potential use in food packaging of protein-based films grafted with r(P)ApoBL was suggested.
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Affiliation(s)
- Eliana Dell'Olmo
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy
| | - Rosa Gaglione
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy; Istituto Nazionale di Biostrutture e Biosistemi (INBB), Italy
| | - Angela Arciello
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy; Istituto Nazionale di Biostrutture e Biosistemi (INBB), Italy
| | - Renata Piccoli
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy; Istituto Nazionale di Biostrutture e Biosistemi (INBB), Italy
| | - Valeria Cafaro
- Department of Biology, University of Naples 'Federico II', 80126 Naples, Italy
| | - Antimo Di Maro
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', I-81100 Caserta, Italy
| | - Sara Ragucci
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies (DiSTABiF), University of Campania 'Luigi Vanvitelli', I-81100 Caserta, Italy
| | - Raffaele Porta
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy
| | - C Valeria L Giosafatto
- Department of Chemical Sciences, University of Naples 'Federico II', 80126 Naples, Italy.
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Double-crosslinked effect of TGase and EGCG on myofibrillar proteins gel based on physicochemical properties and molecular docking. Food Chem 2020; 345:128655. [PMID: 33302098 DOI: 10.1016/j.foodchem.2020.128655] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/10/2020] [Accepted: 11/12/2020] [Indexed: 12/16/2022]
Abstract
The aim of this study was to determine the influence and mechanism of combining EGCG with TGase on properties of myofibrillar protein (MP) gel. A double-crosslinked effect was observed when EGCG and TGase were added into MP gel. Breaking force, deformation, water holding capacity and hardness of double-crosslinked MP gel increased by 25.3 ± 3.0 g, 0.5 ± 0.3 mm, 1.76 ± 0.4% and 34.11 ± 2.56 g, compared with those of TGase induced gel. Light microscopy and low-field nuclear magnetic resonance results indicated with EGCG content increasing, pores and structure of double-crosslinked gels became smaller and denser, T22 decreased from 266.162 ms to 252.845 ms and its proportion increased from 94.103% to 96.956%. Molecular docking illustrated covalent and non-covalent interactions between EGCG and myosin heavy chain Ⅱ A, and confirmed TGase catalytic mechanism with myosin heavy chain Ⅱ A as substrate. Therefore the mixture of EGCG and TGase could be used as novel cross-linker in surimi.
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20
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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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21
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Zhang M, Yang Y, Acevedo NC. Effects of pre-heating soybean protein isolate and transglutaminase treatments on the properties of egg-soybean protein isolate composite gels. Food Chem 2020; 318:126421. [PMID: 32126461 DOI: 10.1016/j.foodchem.2020.126421] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/17/2020] [Accepted: 02/15/2020] [Indexed: 11/29/2022]
Abstract
The objective of this study was to determine the effects of pre-heating soybean protein isolate (SPI) and transglutaminase (TG) induced cross-linking on egg-SPI composite gels. Solubility, surface hydrophobicity, electrophoresis and rheology of the prepared solutions were determined, whereas texture, water-holding capacity and microstructure of the composite gels were evaluated. SPI pre-heating improved solutions' solubility and protein's surface hydrophobicity; thus enhancing TG cross-linking evidenced by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). When only TG was used, solubility and surface hydrophobicity of the composites remained unchanged or decreased, forming strong gels but with low springiness and water-holding capacity. When SPI pre-heating and TG action were combined, a denser and finer gel network was obtained that exhibited improved mechanical properties and better water-holding capacity. The results of this research demonstrate that the combination of pre-heating SPI and TG treatment is a reliable method to improve the gelling properties of egg-SPI composite gels.
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Affiliation(s)
- Mengqi Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, United States.
| | - Yanjun Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China.
| | - Nuria C Acevedo
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, United States.
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22
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Larsen JM, Bang-Berthelsen CH, Qvortrup K, Sancho AI, Hansen AH, Andersen KIH, Thacker SSN, Eiwegger T, Upton J, Bøgh KL. Production of allergen-specific immunotherapeutic agents for the treatment of food allergy. Crit Rev Biotechnol 2020; 40:881-894. [PMID: 32515236 DOI: 10.1080/07388551.2020.1772194] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Allergen-specific immunotherapy (IT) is emerging as a viable avenue for the treatment of food allergies. Clinical trials currently investigate raw or slightly processed foods as therapeutic agents, as trials using food-grade agents can be performed without the strict regulations to which conventional drugs are subjected. However, this limits the ability of standardization and may affect clinical trial outcomes and reproducibility. Herein, we provide an overview of methods used in the production of immunotherapeutic agents for the treatment of food allergies, including processed foods, allergen extracts, recombinant allergens, and synthetic peptides, as well as the physical and chemical processes for the reduction of protein allergenicity. Commercial interests currently favor producing standardized drug-grade allergen extracts for therapeutic use, and clinical trials are ongoing. In the near future, recombinant production could replace purification strategies since it allows the manufacturing of pure, native allergens or sequence-modified allergens with reduced allergenicity. A recurring issue within this field is the inadequate reporting of production procedures, quality control, product physicochemical characteristics, allergenicity, and immunological properties. This information is of vital importance in assessing therapeutic standardization and clinical safety profile, which are central parameters for the development of future therapeutic agents.
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Affiliation(s)
- Jeppe Madura Larsen
- National Food Institute, Technical University of Denmark, Kgs. Lyngby, Denmark
| | | | - Katrine Qvortrup
- Department of Chemistry, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ana Isabel Sancho
- National Food Institute, Technical University of Denmark, Kgs. Lyngby, Denmark
| | | | | | | | - Thomas Eiwegger
- Division of Immunology and Allergy, Food Allergy and Anaphylaxis Program, The Department of Pediatrics, The Hospital for Sick Children, Toronto, Canada.,Research Institute, The Hospital for Sick Children, Translational Medicine Program, Toronto, Canada.,Department of Immunology, The University of Toronto, Toronto, Canada
| | - Julia Upton
- Division of Immunology and Allergy, Food Allergy and Anaphylaxis Program, The Department of Pediatrics, The Hospital for Sick Children, Toronto, Canada
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Hydrocolloid-Based Coatings with Nanoparticles and Transglutaminase Crosslinker as Innovative Strategy to Produce Healthier Fried Kobbah. Foods 2020; 9:foods9060698. [PMID: 32492773 PMCID: PMC7353631 DOI: 10.3390/foods9060698] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 05/20/2020] [Accepted: 05/22/2020] [Indexed: 12/14/2022] Open
Abstract
This study addresses the effect of coating solutions on fried kobbah. Coating solutions were made of pectin (PEC) and grass pea flour (GPF), treated or not with transglutaminase (TGase) and nanoparticles (NPs)—namely mesoporous silica NPs (MSN) or chitosan NPs (CH–NPs). Acrylamide content (ACR), water, oil content and color of uncoated (control) and coated kobbah were investigated. Zeta potential, Z-average and in vitro digestion experiments were carried out. Zeta potential of CH–NPs was stable from pH 2.0 to pH 6.0 around + 35 mV but decreasing at pH > 6.0. However, the Z-average of CH–NPs increased by increasing the pH. All coating solutions were prepared at pH 6.0. ACR of the coated kobbah with TGase-treated GPF in the presence nanoparticles (MSN or CH–NPs) was reduced by 41.0% and 47.5%, respectively. However, the PEC containing CH–NPs showed the higher reduction of the ACR by 78.0%. Water content was higher in kobbah coated by PEC + CH–NPs solutions, while the oil content was lower. The color analysis indicated that kobbah with lower browning index containing lower ACR. Finally, in vitro digestion studies of both coating solutions and coated kobbah, demonstrated that the coating solutions and kobbah made by means of TGase or nanoparticles were efficiently digested.
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24
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Effect of microbial transglutaminase on the mechanical properties and microstructure of acid-induced gels and emulsion gels produced from thermal denatured egg white proteins. Int J Biol Macromol 2020; 153:523-532. [DOI: 10.1016/j.ijbiomac.2020.03.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 02/12/2020] [Accepted: 03/02/2020] [Indexed: 12/14/2022]
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25
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Giosafatto CVL, Fusco A, Al-Asmar A, Mariniello L. Microbial Transglutaminase as a Tool to Improve the Features of Hydrocolloid-Based Bioplastics. Int J Mol Sci 2020; 21:E3656. [PMID: 32455881 PMCID: PMC7279461 DOI: 10.3390/ijms21103656] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 11/17/2022] Open
Abstract
Several proteins from animal and plant origin act as microbial transglutaminase substrate, a crosslinking enzyme capable of introducing isopeptide bonds into proteins between the aminoacids glutamines and lysines. This feature has been widely exploited to modify the biological properties of many proteins, such as emulsifying, gelling, viscosity, and foaming. Besides, microbial transglutaminase has been used to prepare bioplastics that, because made of renewable molecules, are able to replace the high polluting plastics of petrochemical origin. In fact, most of the time, it has been shown that the microbial enzyme strengthens the matrix of protein-based bioplastics, thus, influencing the technological characteristics of the derived materials. In this review, an overview of the ability of many proteins to behave as good substrates of the enzyme and their ability to give rise to bioplastics with improved properties is presented. Different applications of this enzyme confirm its important role as an additive to recover high value-added protein containing by-products with a double aim (i) to produce environmentally friendly materials and (ii) to find alternative uses of wastes as renewable, cheap, and non-polluting sources. Both principles are in line with the bio-economy paradigm.
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Affiliation(s)
- C. Valeria L. Giosafatto
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
| | - Antonio Fusco
- Unità Operativa Struttura Complessa Medicina di Laboratorio, Presidio Ospedaliero Santa Maria di Loreto Nuovo, ASL Na1 Centro, 80145 Naples, Italy;
| | - Asmaa Al-Asmar
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
- Analysis, Poison control and Calibration Center (APCC), An-Najah National University, P.O. Box 7 Nablus, Palestine
| | - Loredana Mariniello
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy; (C.V.L.G.); (A.A.-A.)
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Kaya Özsan AG, Öner AF. A new oligosaccharide-filgrastim conjugate prepared by enzymatic method: Preparation and physicochemical characterization. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2019.101368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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27
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Mostafa HS. Microbial transglutaminase: An overview of recent applications in food and packaging. BIOCATAL BIOTRANSFOR 2020. [DOI: 10.1080/10242422.2020.1720660] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Heba Sayed Mostafa
- Faculty of Agriculture, Department of Food Science, University of Cairo, Giza, Egypt
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28
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Fotschki J, Wróblewska B, Fotschki B, Kalicki B, Rigby N, Mackie A. Microbial transglutaminase alters the immunogenic potential and cross-reactivity of horse and cow milk proteins. J Dairy Sci 2020; 103:2153-2166. [PMID: 31928755 DOI: 10.3168/jds.2019-17264] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 11/12/2019] [Indexed: 12/31/2022]
Abstract
Horse milk is a valuable raw material and a very attractive alternative for scientific research to address the issue of cow milk (CM) allergy due to its protein profile. A decrease in immunoreactive properties can be achieved by thermal, enzymatic, and hydrolytic processing. Therefore, the aim of this study was to explore the possibility of reducing the immunoreactivity of horse milk proteins by microbial transglutaminase (TG) polymerization. To determine how TG linking alters immunoreactivity under simulated digestion of the examined milk, analyses were performed before, during, and after digestion. The dose-dependent (1, 10, and 100 U) effects of microbial TG on horse and cow milk were analyzed. A consecutive 3-stage digestion was simulated with salivary, gastric, and intestinal fluids. The effects of digestion were analyzed by SDS-PAGE, particle size analysis, and size-exclusion chromatography. Immunoreactivity was assessed using competitive ELISA (β-lactoglobulin and α-casein) and immunodot (sera from 7 patients aged 3 to 13 years who are allergic to CM proteins). Horse milk contained almost half of the amount of total proteins in CM. The dose 1 U/g of total milk protein changed the immunoreactivity of both cow and horse milk. With increasing TG doses, α-casein immunoreactivity increased, and β-lactoglobulin decreased. After total digestion, horse milk was characterized by 2.4-fold lower average IgE and 4.8-fold lower IgG reactivity than CM. We found that TG alters the IgE and IgG reactivity of CM after in vitro digestion. Horse milk was less reactive to IgE and IgG than was CM, with animal and patient sera. The effect of TG on immunoreactivity depends on enzyme quantity and milk protein type. The diet based on modified horse milk proteins could be an alternative for some patients with CM protein allergy; however, confirmation through clinical trials is needed.
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Affiliation(s)
- J Fotschki
- Department of Immunology and Food Microbiology, Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland.
| | - B Wróblewska
- Department of Immunology and Food Microbiology, Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland
| | - B Fotschki
- Department of Biological Function of Food, Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-748 Olsztyn, Poland
| | - B Kalicki
- Department of Pediatrics, Nephrology and Allergology, Military Institute of Medicine, 04-141 Warsaw, Poland
| | - N Rigby
- Institute of Food Research, Norwich NR4 7UA, United Kingdom; School of Food Science and Nutrition, University of Leeds, LS2 9JT, United Kingdom
| | - A Mackie
- Institute of Food Research, Norwich NR4 7UA, United Kingdom; School of Food Science and Nutrition, University of Leeds, LS2 9JT, United Kingdom
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29
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Structure and in vitro digestibility of grass pea (Lathyrus sativus L.) flour following transglutaminase treatment. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03305-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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30
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Li Y, Xiong S, Yin T, Hu Y, You J. The gastric digestion kinetics of silver carp (Hypophthalmichthys molitrix) surimi gels induced by transglutaminase. Food Chem 2019; 283:148-154. [DOI: 10.1016/j.foodchem.2019.01.032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 12/31/2018] [Accepted: 01/04/2019] [Indexed: 11/15/2022]
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31
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The Effect of Transglutaminase to Improve the Quality of Either Traditional or Pectin-Coated Falafel (Fried Middle Eastern Food). COATINGS 2019. [DOI: 10.3390/coatings9050331] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In this study, the effect of transglutaminase (TGase) (5 or 20 U/g of chickpea proteins) on falafel dough was investigated. The resulting falafel balls were either treated or not by dipping them into a pectin (PEC 1%) coating solution. Acrylamide (ACR), oil, and water content were then evaluated. Texture profile analyses and in vitro gastric digestion experiments were also carried out. The ACR content was reduced by 10.8% and by 34.4% in the samples prepared with 5 and 20 U TGase/g, respectively. In PEC-coated samples, the reduction of ACR was equal to 59.3%, 65.3%, and 84.5%, in falafel balls prepared either without TGase or containing 5 U or 20 U of the enzyme, respectively. However, TGase treatment did not affect oil content, while the PEC coating reduced oil uptake by 23.5%. No difference was observed in the texture properties between the control sample and the one dipped in PEC, while these properties changed in samples prepared with the enzyme. Finally, digestion studies, carried out under physiological conditions, demonstrated that the falafels prepared in the presence of TGase were efficiently digested in the gastric environment.
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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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Abstract
Microbial transglutaminase is heavily used in the food processing industries to improve food qualities. Being a protein's glue, by cross-linking it creates neoepitope complexes that are immunogenic and potentially pathogenic in celiac disease. Despite low sequence identity, it imitates functionally its family member, the endogenous tissue transglutaminase, which is the autoantigen of celiac disease. The present comprehensive review highlights the enzyme characteristics, endogenous and exogenous intestinal sources, its cross-talks with gluten and gliadin, its immunogenicity and potential pathogenicity and risks for the gluten induced conditions. If substantiated, it might represent a new environmental inducer of celiac disease. The present findings might affect nutritional product labeling, processed food additive policies and consumer health education.
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Affiliation(s)
- Lerner Aaron
- B. Rappaport School of Medicine, Technion-Israel Institute of Technology, Haifa, Israel; AESKU.KIPP Institute, Wendelsheim, Germany.
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Preparation and Characterization of Bioplastics from Grass Pea Flour Cast in the Presence of Microbial Transglutaminase. COATINGS 2018. [DOI: 10.3390/coatings8120435] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The aim of this work was to prepare bioplastics, from renewable and biodegradable molecules, to be used as edible films. In particular, grass pea (Lathyrus sativus L.) flour was used as biopolymer source, the proteins of which were structurally modified by means of microbial transglutaminase, an enzyme able to catalyze isopeptide bonds between glutamines and lysines. We analyzed, by means of Zeta-potential, the flour suspension with the aim to determine which pH is more stable for the production of film-forming solutions. The bioplastics were produced by casting and they were characterized according to several technological properties. Optical analysis demonstrated that films cast in the presence of the microbial enzyme are more transparent compared to the untreated ones. Moreover, the visualization by scanning electron microscopy demonstrated that the enzyme-modified films possessed a more compact and homogeneous structure. Furthermore, the presence of microbial transglutaminase allowed to obtain film more mechanically resistant. Finally, digestion experiments under physiological conditions performed in order to obtain information useful for applying these novel biomaterials as carriers in the industrial field, indicated that the enzyme-treated coatings might allow the delivery of bioactive molecules in the gastro-intestinal tract.
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Biocatalysis by Transglutaminases: A Review of Biotechnological Applications. MICROMACHINES 2018; 9:mi9110562. [PMID: 30715061 PMCID: PMC6265872 DOI: 10.3390/mi9110562] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 10/23/2018] [Indexed: 02/08/2023]
Abstract
The biocatalytic activity of transglutaminases (TGs) leads to the synthesis of new covalent isopeptide bonds (crosslinks) between peptide-bound glutamine and lysine residues, but also the transamidation of primary amines to glutamine residues, which ultimately can result into protein polymerisation. Operating with a cysteine/histidine/aspartic acid (Cys/His/Asp) catalytic triad, TGs induce the post-translational modification of proteins at both physiological and pathological conditions (e.g., accumulation of matrices in tissue fibrosis). Because of the disparate biotechnological applications, this large family of protein-remodelling enzymes have stimulated an escalation of interest. In the past 50 years, both mammalian and microbial TGs polymerising activity has been exploited in the food industry for the improvement of aliments' quality, texture, and nutritive value, other than to enhance the food appearance and increased marketability. At the same time, the ability of TGs to crosslink extracellular matrix proteins, like collagen, as well as synthetic biopolymers, has led to multiple applications in biomedicine, such as the production of biocompatible scaffolds and hydrogels for tissue engineering and drug delivery, or DNA-protein bio-conjugation and antibody functionalisation. Here, we summarise the most recent advances in the field, focusing on the utilisation of TGs-mediated protein multimerisation in biotechnological and bioengineering applications.
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Grass pea (Lathyrus sativus) flour: microstructure, physico-chemical properties and in vitro digestion. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3152-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Gharbi N, Labbafi M. Effect of processing on aggregation mechanism of egg white proteins. Food Chem 2018; 252:126-133. [DOI: 10.1016/j.foodchem.2018.01.088] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 01/10/2018] [Accepted: 01/11/2018] [Indexed: 12/26/2022]
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Stănciuc N, Creţu AA, Banu I, Aprodu I. Advances on the impact of thermal processing on structure and antigenicity of chicken ovomucoid. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:3119-3128. [PMID: 29210457 DOI: 10.1002/jsfa.8813] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 11/07/2017] [Accepted: 12/01/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Ovomucoid (OVM) is the dominant allergen found in egg white. The heat-induced changes on chicken OVM structure and antigenic properties were assessed at acidic, neutral and alkaline pH values. RESULTS The fluorescence spectroscopy measurements indicated changes in the conformation of OVM caused by both pH and thermal treatment. The OVM molecule exhibited higher exposure of hydrophobic residues at 7.0, as indicated by the synchronous spectra, intrinsic fluorescence and quenching experiments. When heating the protein at pH 9.5, the molecular structure appeared more compact. The antigenic properties of OVM, estimated through the enzyme-linked immunosorbent assay, appeared not to be sensitive to heat at pH 7.0 and 4.5. Single molecule level investigations indicated that the secondary and tertiary structure of OVM was affected by the thermal treatment. CONCLUSIONS Experimental results indicated over 90% reduction of the antigenicity at pH 9.5 and temperature of 100 °C. Significant changes of the linear epitopes exposure and location of the conformational epitopes were highlighted after performing heating molecular dynamics simulations of OVM from 25 °C to 100 °C. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Nicoleta Stănciuc
- Dunarea de Jos University of Galati, Faculty of Food Science and Engineering, Galati, Romania
| | - Alexandra Andreea Creţu
- Dunarea de Jos University of Galati, Faculty of Food Science and Engineering, Galati, Romania
| | - Iuliana Banu
- Dunarea de Jos University of Galati, Faculty of Food Science and Engineering, Galati, Romania
| | - Iuliana Aprodu
- Dunarea de Jos University of Galati, Faculty of Food Science and Engineering, Galati, Romania
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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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Caffeic acid-assisted cross-linking catalyzed by polyphenol oxidase decreases the allergenicity of ovalbumin in a Balb/c mouse model. Food Chem Toxicol 2018; 111:275-283. [DOI: 10.1016/j.fct.2017.11.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 10/10/2017] [Accepted: 11/18/2017] [Indexed: 02/06/2023]
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Qin XS, Sun QQ, Zhao YY, Zhong XY, Mu DD, Jiang ST, Luo SZ, Zheng Z. Transglutaminase-set colloidal properties of wheat gluten with ultrasound pretreatments. ULTRASONICS SONOCHEMISTRY 2017; 39:137-143. [PMID: 28732930 DOI: 10.1016/j.ultsonch.2017.04.027] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 04/19/2017] [Accepted: 04/19/2017] [Indexed: 05/24/2023]
Abstract
The low solubility of wheat gluten limits its accessibility. This work aimed to study the impact of ultrasonic pretreatments on the gelation of wheat gluten. The pretreatments included ultrasound combined with alkali, urea, Na2SO3, with or without the addition of transglutaminase (TGase). The gel strength of wheat gluten was 287g/cm2 after treatment with Na2SO3/ultrasound/TGase. The free sulfhydryl and disulfide bond content was significantly affected by ultrasound treatment. After treatments including TGase crosslinking, the molecular weight of wheat gluten complexes became larger. The network formed by the wheat gluten was transformed into a dense and homogenous structure after the pretreatment with Na2SO3/ultrasound/TGase. The content of random coil of wheat gluten increased. The gelation of wheat gluten could also be significantly enhanced by Na2SO3/ultrasound treatment followed by TGase treatment. Using physical and chemical pretreatments to allow TGase to enhance the gelation of wheat gluten may increase its uses as a food additive.
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Affiliation(s)
- Xin-Sheng Qin
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Qiao-Qiao Sun
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Yan-Yan Zhao
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Xi-Yang Zhong
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Dong-Dong Mu
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Shao-Tong Jiang
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Shui-Zhong Luo
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
| | - Zhi Zheng
- School of Food Science and Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
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Zeeb B, McClements DJ, Weiss J. Enzyme-Based Strategies for Structuring Foods for Improved Functionality. Annu Rev Food Sci Technol 2017; 8:21-34. [PMID: 28068492 DOI: 10.1146/annurev-food-030216-025753] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Enzyme technologies can be used to create food dispersions with novel functional attributes using structural design principles. Enzymes that utilize food-grade proteins and/or polysaccharides as substrates have gained recent interest among food scientists. The utilization of enzymes for structuring foods is an ecologically and economically viable alternative to the utilization of chemical cross-linking and depolymerization agents. This review highlights recent progress in the use of enzymes to modify food structures, particularly the interfacial and/or bulk properties of food dispersions with special emphasis on commercially available enzymes. Cross-linking enzymes such as transglutaminase and laccase promote the formation of intra- and intermolecular bonds between biopolymers to improve stability and functionality, whereas various degrading enzymes such as proteases alter the native conformation of proteins, leading to self-assembly of hierarchically ordered colloids. Results of this bio-inspired approach show that rational use of structure-affecting enzymes may enable food manufacturers to produce food dispersions with improved physical, functional, textural, and optical properties.
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Affiliation(s)
- Benjamin Zeeb
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, 70599 Stuttgart, Germany;
| | | | - Jochen Weiss
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, 70599 Stuttgart, Germany;
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Li X, Yan Y. Comparative Study of the Interactions between Ovalbumin and five Antioxidants by Spectroscopic Methods. J Fluoresc 2016; 27:213-225. [DOI: 10.1007/s10895-016-1948-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 10/03/2016] [Indexed: 02/05/2023]
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Romano A, Giosafatto CVL, Di Pierro P, Romano R, Masi P, Mariniello L. Impact of transglutaminase treatment on properties and in vitro digestibility of white bean (Phaseolus vulgaris L.) flour. Food Res Int 2016. [DOI: 10.1016/j.foodres.2016.02.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Del Castillo-Santaella T, Maldonado-Valderrama J, Molina-Bolivar JA, Galisteo-Gonzalez F. Effect of cross-linker glutaraldehyde on gastric digestion of emulsified albumin. Colloids Surf B Biointerfaces 2016; 145:899-905. [PMID: 27341303 DOI: 10.1016/j.colsurfb.2016.06.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/22/2016] [Accepted: 06/08/2016] [Indexed: 11/18/2022]
Abstract
Human serum albumin (HSA) has been shown to be an ideal protein for nanoparticle preparation. These are usually prepared by using cross linker agents such as glutaraldehyde (GAD). Liquid lipid nanocapsules (LLN) constitute a new generation of nanoparticles more biocompatible and versatile for oral delivery of lipophylic drugs. The first barrier that an orally administered formulation must cross is the gastrointestinal tract. Hence, it is crucial to address the impact of gastrointestinal digestion on these structures in order to achieve an optimal formulation. This study evaluates the effect of gastric digestion on HSA emulsions structured with GAD as a model substrate for the preparation of LLN. This is done by SDS-PAGE, emulsion microstructure, and interfacial tension techniques. Our results demonstrate that the cross- linking procedure with GAD strongly inhibits pepsin digestion by formation of inter- and/or intramolecular covalent bonds between substrate amino acids. Emulsification of HSA also protects from gastric digestion probably by the orientation of the HSA molecule, which exposes the majority of pepsin cleaving sites preferably to the hydrophobic part of the oil-water interface. In this emulsified HSA, cross-linking with GAD at the interface promotes structural modifications on the HSA interfacial layer, restricting the access of pepsin to cleavage sites. We identify interfacial aspects underlying enzymatic hydrolysis of the protein. Assuring that HSA-GAD structures resist passage through the gastric compartment is crucial is important towards the rational design of oral delivery systems and the first step to get the complete digestion profile.
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Zhang YH, Wang H, Liu YL, Zhao XH. Two horseradish peroxidase-based modifications result in two milk protein products with ordered secondary structure and enhanced in vitro antigenicity. CYTA - JOURNAL OF FOOD 2016. [DOI: 10.1080/19476337.2016.1179346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Ying-Hua Zhang
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, PR China
- Department of Food Science, Northeast Agricultural University, Harbin, PR China
- Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, PR China
| | - Huan Wang
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, PR China
- Department of Food Science, Northeast Agricultural University, Harbin, PR China
| | - Yan-Le Liu
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, PR China
- Department of Food Science, Northeast Agricultural University, Harbin, PR China
| | - Xin-Huai Zhao
- Key Laboratory of Dairy Science, Ministry of Education, Northeast Agricultural University, Harbin, PR China
- Department of Food Science, Northeast Agricultural University, Harbin, PR China
- Synergetic Innovation Center of Food Safety and Nutrition, Northeast Agricultural University, Harbin, PR China
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Djoullah A, Krechiche G, Husson F, Saurel R. Size measuring techniques as tool to monitor pea proteins intramolecular crosslinking by transglutaminase treatment. Food Chem 2016; 190:197-200. [PMID: 26212961 DOI: 10.1016/j.foodchem.2015.05.091] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 05/15/2015] [Accepted: 05/19/2015] [Indexed: 10/23/2022]
Abstract
In this work, techniques for monitoring the intramolecular transglutaminase cross-links of pea proteins, based on protein size determination, were developed. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis profiles of transglutaminase-treated low concentration (0.01% w/w) pea albumin samples, compared to the untreated one (control), showed a higher electrophoretic migration of the major albumin fraction band (26 kDa), reflecting a decrease in protein size. This protein size decrease was confirmed, after DEAE column purification, by dynamic light scattering (DLS) where the hydrodynamic radius of treated samples appears to be reduced compared to the control one.
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Affiliation(s)
- Attaf Djoullah
- UMR PAM (Procédés Alimentaires et Microbiologiques) AgroSupDijon/Université de Bourgogne, 1 Esplanade Erasme, 21000 Dijon, France; Department of Food Technologies, URDI, Algiers 16000, Algeria
| | - Ghali Krechiche
- UMR PAM (Procédés Alimentaires et Microbiologiques) AgroSupDijon/Université de Bourgogne, 1 Esplanade Erasme, 21000 Dijon, France; Department of Food Technologies, URDI, Algiers 16000, Algeria
| | - Florence Husson
- UMR PAM (Procédés Alimentaires et Microbiologiques) AgroSupDijon/Université de Bourgogne, 1 Esplanade Erasme, 21000 Dijon, France
| | - Rémi Saurel
- UMR PAM (Procédés Alimentaires et Microbiologiques) AgroSupDijon/Université de Bourgogne, 1 Esplanade Erasme, 21000 Dijon, France.
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Sponton OE, Perez AA, Carrara CR, Santiago LG. Impact of environment conditions on physicochemical characteristics of ovalbumin heat-induced nanoparticles and on their ability to bind PUFAs. Food Hydrocoll 2015. [DOI: 10.1016/j.foodhyd.2015.02.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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50
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Effect of high pressure-assisted crosslinking of ovalbumin and egg white by transglutaminase on their potential allergenicity. INNOV FOOD SCI EMERG 2015. [DOI: 10.1016/j.ifset.2015.03.017] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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