1
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Yang J, Kuang H, Kumar N, Song J, Li Y. Changes of structure properties and potential allergenicity of ovalbumin under high hydrostatic pressures. Food Res Int 2024; 190:114658. [PMID: 38945590 DOI: 10.1016/j.foodres.2024.114658] [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: 03/05/2024] [Revised: 06/15/2024] [Accepted: 06/15/2024] [Indexed: 07/02/2024]
Abstract
Egg proteins, notably ovalbumin (OVA), contribute to a prevalent form of food allergy, particularly in children. This study aims to investigate the impact of high hydrostatic pressure (HHP) treatment at varying levels (300, 400, 500, and 600 MPa) on the molecular structure and allergenicity of OVA. The structure of HHP-treated OVA was assessed through fluorescence spectroscopy, circular dichroism spectroscopy, and molecular dynamics (MD) simulation. HHP treatment (600 MPa) altered OVA structures, such as α-helix content decreased from 28.07 % to 19.47 %, and exogenous fluorescence intensity increased by 8.8 times compared to that of the native OVA. The free sulfhydryl groups and zeta potential value were also increased with HHP treatment (600 MPa). ELISA analysis and MD simulation unveiled a noteworthy reduction in the allergenicity of OVA when subjected to 600 MPa for 10 min. Overall, this study suggests that the conformational changes in HHP-treated OVA contribute to its altered allergenicity.
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Affiliation(s)
- Jing Yang
- Chongqing Engineering Research Center for Processing & Storage of Distinct Agricultural Products, Chongqing Technology and Business University, Chongqing 400067, China; School of Food Nutrition and Health (Hot Pot) Modern Industry, Chongqing Technology and Business University, Chongqing 400067, China.
| | - Hong Kuang
- Chongqing Engineering Research Center for Processing & Storage of Distinct Agricultural Products, Chongqing Technology and Business University, Chongqing 400067, China
| | - Nandan Kumar
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA
| | - Jiajia Song
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yonghui Li
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA.
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2
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Huang Z, Pang L, Li S, Su Y, Zhao Q, Zhang W, Yang X, Jiang Y. Effects of physical processing on food protein allergenicity: A focus on differences between animal and alternative proteins. Food Chem 2024; 460:140559. [PMID: 39047469 DOI: 10.1016/j.foodchem.2024.140559] [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: 04/29/2024] [Revised: 07/11/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
In recent years, physical technologies have been widely employed to reduce food protein allergenicity due to their simplicity and stability. This paper summarizes recent research advances in these technologies, focusing on differences in their effects on allergenicity between animal and alternative proteins. The mechanisms of allergenicity reduction and the advantages and disadvantages of these technologies were compared. It was found that heating, although affording better allergenicity reduction than non-thermal treatment technologies, affects other properties of the food. Because of their higher molecular weights and more complex structures, animal proteins are less affected by physical technologies than alternative proteins. It is worth noting that there is a scarcity of existing technology to reduce the allergenicity of food proteins, and more technologies should be explored for this purpose. In addition, better allergenicity-reducing processing technologies should be designed from the perspectives of processing conditions, technological innovations, and combined processing technologies in the future.
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Affiliation(s)
- Zhen Huang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Lidong Pang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Shihang Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Yue Su
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Qi Zhao
- Inner Mongolia Yili Industrial Group Limited by Share Ltd
| | - Wei Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030
| | - Xinyan Yang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030.
| | - Yujun Jiang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China, 150030.
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3
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Ma Y, Xu J, Guo R, Teng G, Chen Y, Xu X. In vitro gastrointestinal model for the elderly: Effect of high hydrostatic pressure on protein structures and antioxidant activities of whey protein isolate. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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4
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High hydrostatic pressure (HHP) as a green technology opens up a new possibility for the fabrication of electrospun nanofibers: Part I- improvement of soy protein isolate properties by HHP. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
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5
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Effect of ultra-high pressure homogenization on structural and techno-functional properties of egg yolk granule proteins. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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6
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Oquendo LA, Lewis G, Mahdinia E, Harte F. Effect of high-pressure jet processing on the structure and physicochemical properties of plant protein isolate aqueous dispersions. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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7
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Nath A, Ahmad AS, Amankwaa A, Csehi B, Mednyánszky Z, Szerdahelyi E, Tóth A, Tormási J, Truong DH, Abrankó L, Koris A. Hydrolysis of Soybean Milk Protein by Papain: Antioxidant, Anti-Angiotensin, Antigenic and Digestibility Perspectives. Bioengineering (Basel) 2022; 9:bioengineering9090418. [PMID: 36134964 PMCID: PMC9495856 DOI: 10.3390/bioengineering9090418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/18/2022] [Accepted: 08/20/2022] [Indexed: 12/03/2022] Open
Abstract
The objective of the investigation was to understand the biochemical activities of hydrolysate of soybean milk protein (SMP). Hydrolysis was carried out by different concentrations of papain (0.008 g·L−1, 0.016 g·L−1, 0.032 g·L−1 and 0.064 g·L−1). The antioxidant capacity was measured by the ferric-reducing ability of plasma (FRAP) and 2,2-Diphenyl-1-picrylhydrazyl (DPPH) assays. The anti-angiotensin activity of hydrolysate was measured by the recombinant angiotensin converting enzyme and substrate Abz-FRK(Dnp)-P. The contributions of the Kunitz trypsin inhibitor (KTI) and Bowman–Birk inhibitor (BBI) on antigenicity, and the in vitro digestion of papain-hydrolyzed SMP were studied. Rabbit polyclonal anti-KTI and anti-BBI antibodies together with peroxidase-labelled goat anti-Rb IgG secondary antibody were used to identify the antigenicity of KTI and BBI in unhydrolyzed and papain-hydrolyzed SMP. The antioxidant capacity and anti-angiotensin activity of SMP were increased after the papain hydrolysis of SMP. The KTI- and BBI-specific antigenicity were reduced in SMP by increasing the concentration of papain. However, there was interaction between papain-hydrolyzed SMP and trypsin in native gel, while interaction with chymotrypsin was absent. The interaction between trypsin and SMP was reduced due to the hydrolysis of papain in a concentration-dependent manner. According to the in vitro gastrointestinal digestion simulation protocol (Infogest), the digestibility of SMP was not statistically increased.
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Affiliation(s)
- Arijit Nath
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi St 44, HU-1118 Budapest, Hungary
| | - Abubakar Saleh Ahmad
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi St 44, HU-1118 Budapest, Hungary
| | - Abraham Amankwaa
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi St 44, HU-1118 Budapest, Hungary
| | - Barbara Csehi
- Department of Refrigeration and Livestock Products Technology, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi út 43-45, HU-1118 Budapest, Hungary
| | - Zsuzsanna Mednyánszky
- Department of Nutrition, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Somlói St 14-16, HU-1118 Budapest, Hungary
| | - Emőke Szerdahelyi
- Department of Nutrition, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Somlói St 14-16, HU-1118 Budapest, Hungary
| | - Attila Tóth
- Division of Clinical Physiology, Department of Cardiology, Faculty of Medicine, University of Debrecen, Móricz Zsigmond Str 22, HU-4032 Debrecen, Hungary
| | - Judit Tormási
- Department of Food Chemistry and Analytical Chemistry, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Villányi út 35-43, HU-1118 Budapest, Hungary
| | - Duy Hoàng Truong
- Institute of Biotechnology and Food Technology, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao, Ward 4, Go Vap District, Ho Chi Minh City 727000, Vietnam
| | - László Abrankó
- Department of Food Chemistry and Analytical Chemistry, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Villányi út 35-43, HU-1118 Budapest, Hungary
| | - András Koris
- Department of Food Process Engineering, Institute of Food Science and Technology, Hungarian University of Agriculture and Life Sciences, Ménesi St 44, HU-1118 Budapest, Hungary
- Correspondence: ; Tel.: +36-1-3057228
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Bu G, Li T. High hydrostatic pressure treatment reduces the potential antigenicity of β-conglycinin by changing the protein structure during in vitro digestion. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:4025-4034. [PMID: 34997598 DOI: 10.1002/jsfa.11751] [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: 09/30/2021] [Revised: 01/02/2022] [Accepted: 01/08/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND High hydrostatic pressure (HHP) treatment has been used to alleviate the allergenicity of soybeans, but there are little data about the potential antigenicity of β-conglycinin after HHP treatment. RESULTS We examined the effects of HHP treatment on the antigenicity and structure of β-conglycinin. When the pressure was 300 and 400 MPa, HHP treatment reduced the immunoglobulin (Ig)G binding capacity of β-conglycinin, while its IgE binding capacity did not change significantly. After in vitro digestion, both the IgE and IgG binding of β-conglycinin was obviously inhibited after HHP treatment at 400 MPa and 60 °C, although its binding capacity with linear epitope antibodies increased. Moreover, HHP treatment changed the secondary structure of β-conglycinin, the content of α-helix and random coils increased, while the β-sheet and β-turn decreased. After HHP treatment, the conformational structure was unfolded so that a large number of hydrophobic regions were exposed. CONCLUSION HHP treatment alleviated the potential antigenicity of β-conglycinin by modifying its structure, which facilitated in vitro digestion and destroyed epitopes. This research provides a new insight into the mechanism of HHP treatment that affects the sensitization of soy protein allergens. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Guanhao Bu
- College of Food Science and Technology, Henan University of Technology, Zhengzhou, China
| | - Tanghao Li
- College of Food Science and Technology, Henan University of Technology, Zhengzhou, China
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9
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Kong F, Zeng Q, Li Y, Guo X. Effect of Steam Explosion on Structural Characteristics of β-Conglycinin and Morphology, Chemical Compositions of Soybean Meal. Front Nutr 2022; 9:896664. [PMID: 35719153 PMCID: PMC9202520 DOI: 10.3389/fnut.2022.896664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
In this study, steam explosion was applied as a means to degrade β-conglycinin. We investigated changes in morphology, the chemical composition of soybean meal, and the structural characteristics of β-conglycinin. The results showed that steam explosion at 0.7 MPa for 8 min could effectively decrease the β-conglycinin content of soybean meal while the histamine content was not increased. The structural characteristics of soybean meal proteins were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), Fourier transform infrared spectroscopy (FTIR), circular dichroism (CD), and X-ray diffraction (XRD). Steam explosion caused the degradation of high weight proteins and reduced the band density of α', α, and β subunits in β-conglycinin. The micro-surface of soybean meal seemed to be in the cracked or puffed stage and the color became brown or dark after steam explosion. Steam explosion facilitated the dissolution of water-extractable arabinoxylans, which are 4.81 fold higher than that of native soybean meal. Phytic acid was exposed to the hydrothermal environment of the steam explosion process and consequently degraded by 12.95-24.69%. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of soybean meal extract was gradually increased from 20.70 to 33.71% with the rising of treated pressure from 0.3 to 0.7 MPa, which was 1.11-1.81 fold of native extract. The steam explosion may be a new modification technology that could decrease antigenicity, and steam-exploded soybean meal (0.7 MPa, 8 min) with lower β-conglycinin and phytic acid content that could be widely used in food products.
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Affiliation(s)
| | | | | | - Xingfeng Guo
- College of Agronomy, Liaocheng University, Liaocheng, China
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Suriyamoorthy P, Madhuri A, Tangirala S, Michael KR, Sivanandham V, Rawson A, Anandharaj A. Comprehensive Review on Banana Fruit Allergy: Pathogenesis, Diagnosis, Management, and Potential Modification of Allergens through Food Processing. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2022; 77:159-171. [PMID: 35661960 DOI: 10.1007/s11130-022-00976-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
The pulp of the banana fruit is rich in bioactive compounds like dietary fibers, low glycemic carbohydrates, natural sugars, vitamins, minerals and antioxidants. These beneficial compounds are responsible for the proper functioning of immune system and enhance prevention against various deadly diseases like cancer, diabetes and heart diseases. Despite having, positive effects, the fruit are recognized as an important source for causing allergy to 0.6% of people in general population and up to 67 and 46% for people with asthma or atopic dermatitis. Fruit allergy is one of the most common food allergies witnessed worldwide. Banana fruit allergy results from the abnormal immune response to the banana proteins soon after its consumption. Symptoms range from oral allergy syndrome (OAS) to the life-threatening anaphylaxis. IgE reactivity of banana is associated with different proteins of which six proteins have been identified as major allergens, viz., Mus a1 (Profilin-actin binding protein), Mus a 2 (Class 1 chitinase), Mus a 3 (Nonspecific lipid transfer protein), Mus a 4 (Thaumatin like protein), Mus a 5 (Beta 1,3 glucanase) and Mus a 6 (Ascorbate peroxidase). This review focuses on pathogenesis, clinical features, diagnosis, and different food processing methods to mitigate the allergenicity of banana fruit.
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Affiliation(s)
- Priyanga Suriyamoorthy
- Department of Food Safety and Quality Testing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
| | - Alluru Madhuri
- Academics and Human Resources Department, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
| | - Srikanth Tangirala
- Department of Food Safety and Quality Testing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
- Centre of Excellence in Non-Thermal Processing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
| | - Karunai Raj Michael
- Department of Food Safety and Quality Testing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
| | - Vignesh Sivanandham
- Academics and Human Resources Department, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India
| | - Ashish Rawson
- Department of Food Safety and Quality Testing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India.
- Centre of Excellence in Non-Thermal Processing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India.
| | - Arunkumar Anandharaj
- Department of Food Safety and Quality Testing, National Institute of Food Technology, Entrepreneurship and Management (NIFTEM), Thanjavur, Tamil Nadu, 613005, India.
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11
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Structure and immunoreactivity of purified Siberian apricot (Prunus sibirica L.) kernel allergen under high hydrostatic pressure treatment. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Kerezsi AD, Jacquet N, Blecker C. Advances on physical treatments for soy allergens reduction - A review. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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13
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Pi X, Sun Y, Fu G, Wu Z, Cheng J. Effect of processing on soybean allergens and their allergenicity. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.10.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Ding Y, Ban Q, Wu Y, Sun Y, Zhou Z, Wang Q, Cheng J, Xiao H. Effect of high hydrostatic pressure on the edible quality, health and safety attributes of plant-based foods represented by cereals and legumes: a review. Crit Rev Food Sci Nutr 2021:1-19. [PMID: 34839776 DOI: 10.1080/10408398.2021.2005531] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Consumers today are increasingly willing to reduce their meat consumption and adopt plant-based alternatives in their diet. As a main source of plant-based foods, cereals and legumes (CLs) together could make up for all the essential nutrients that humans consume daily. However, the consumption of CLs and their derivatives is facing many challenges, such as the poor palatability of coarse grains and vegetarian meat, the presence of anti-nutritional factors, and allergenic proteins in CLs, and the vulnerability of plant-based foods to microbial contamination. Recently, high hydrostatic pressure (HHP) technology has been used to tailor the techno-functionality of plant proteins and induce cold gelatinization of starch in CLs to improve the edible quality of plant-based products. The nutritional value (e.g., the bioavailability of vitamins and minerals, reduction of anti-nutritional factors of legume proteins) and bio-functional properties (e.g., production of bioactive peptides, increasing the content of γ-aminobutyric acid) of CLs were significantly improved as affected by HHP. Moreover, the food safety of plant-based products could be significantly improved as well. HHP lowered the risk of microbial contamination through the inactivation of numerous microorganisms, spores, and enzymes in CLs and alleviated the allergy symptoms from consumption of plant-based foods.
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Affiliation(s)
- Yangyue Ding
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Qingfeng Ban
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China.,Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - Yue Wu
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yuxue Sun
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Zhihao Zhou
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - Qi Wang
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
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15
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Xi J, Li Y. The effects of ultra‐high‐pressure treatments combined with heat treatments on the antigenicity and structure of soy glycinin. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jun Xi
- College of Food Science and Technology Henan University of Technology Zhengzhou 450001 China
| | - Yingying Li
- College of Food Science and Technology Henan University of Technology Zhengzhou 450001 China
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16
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Xi J, Yao L, Chen H. The effects of thermal treatments on the antigenicity and structural properties of soybean glycinin. J Food Biochem 2021; 45:e13874. [PMID: 34309030 DOI: 10.1111/jfbc.13874] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/29/2021] [Accepted: 07/05/2021] [Indexed: 11/28/2022]
Abstract
The effects of thermal treatments on the antigenicity and structural properties of soybean glycinin were investigated. An indirect enzyme-linked immunosorbent assay (iELISA) result indicated that the antigenicity of the soybean glycinin decreased to the lowest level when the heat treatment time was 50 min and the temperature was set at 110°C. The reducing sodium dodecyl sulfate-Gel electrophoresis results showed that the heat treatment had promoted the formation of small molecular weight protein subunits and concentrated protein. The free sulfhydryl (-SH) group of glycinin had increased significantly (p < .05) under the conditions of temperature between 90 and 120°C and 40 to 50 min heat treatments. The maximum fluorescence wavelength of the intrinsic fluorescence also changed significantly when compared with the control. The circular dichroism showed that the number of disordered structures had also increased significantly. These results provided evidence that the heat-induced structural modifications of glycinin will alter the antigenicity of soybean glycinin. PRACTICAL APPLICATIONS: The relationship between antigenicity and structural properties of heat-treated soybean globulin was studied by different protein structural research methods. The results showed that the antigenicity of the protein was minimized at 110°C 50 min, which could be used in food safety production. This study chose to analyze the changes in the antigenicity and structural characteristics of soybean glycinin, both prior to and after heat treatments, for the purpose of promoting the development of low allergenic food products.
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Affiliation(s)
- Jun Xi
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
| | - Lili Yao
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
| | - Huibin Chen
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, China
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17
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Characteristics of molecular composition and its anti-nutrition of β-conglycinin during flavorzyme proteolysis. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Sui X, Zhang T, Jiang L. Soy Protein: Molecular Structure Revisited and Recent Advances in Processing Technologies. Annu Rev Food Sci Technol 2021; 12:119-147. [PMID: 33317319 DOI: 10.1146/annurev-food-062220-104405] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Rising health concerns and increasing obesity levels in human society have led some consumers to cut back on animal protein consumption and switch to plant-based proteins as an alternative. Soy protein is a versatile protein supplement and contains well-balanced amino acids, making it comparable to animal protein. With sufficient processing and modification, the quality of soy protein can be improved above that of animal-derived proteins, if desired. The modern food industry is undergoing a dynamic change, with advanced processing technologies that can produce a multitude of foods and ingredients with functional properties from soy proteins, providing consumers with a wide variety of foods. This review highlights recent progress in soy protein processing technologies. Using the current literature, the processing-induced structural changes in soy protein are also explored. Furthermore, the molecular structure of soy protein, particularly the crystal structures of β-conglycinin and glycinin, is comprehensively revisited.
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Affiliation(s)
- Xiaonan Sui
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; ,
| | - Tianyi Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; ,
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; ,
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19
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Wang C, Yin H, Zhao Y, Zheng Y, Xu X, Yue J. Optimization of High Hydrostatic Pressure Treatments on Soybean Protein Isolate to Improve Its Functionality and Evaluation of Its Application in Yogurt. Foods 2021; 10:foods10030667. [PMID: 33804726 PMCID: PMC8003865 DOI: 10.3390/foods10030667] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/11/2021] [Accepted: 03/16/2021] [Indexed: 11/19/2022] Open
Abstract
This work aimed to improve the functional properties of soybean protein isolate (SPI) by high hydrostatic pressure (HHP) and develop SPI incorporated yogurt. Response surface methodology (RSM) was used to optimize the HHP treatment parameters, including pressure, holding time, and the ratio of SPI/water. Water holding capacity, emulsifying activity index, solubility, and hardness of SPI gels were evaluated as response variables. The optimized HPP treatment conditions were 281 MPa of pressure, 18.92 min of holding time, and 1:8.33 of SPI/water ratio. Water and oil holding capacity, emulsifying activity, and stability of SPI at different pH were improved. Additionally, relative lipoxygenase (LOX) activity of HHP treated SPI (HHP-SPI) was decreased 67.55 ± 5.73%, but sulphydryl group content of HHP-SPI was increased 12.77%, respectively. When incorporating 8% of SPI and HHP-SPI into yogurt, the water holding capacity and rheological properties of yogurt were improved in comparison with yogurt made of milk powders. Moreover, HHP-SPI incorporated yogurt appeared better color and flavor.
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Affiliation(s)
- Chenxiao Wang
- Bor S. Luh Food Safety Research Center, SJTU-OSU Innovation Center for Environmental Sustainability, Key Laboratory of Urban Agriculture, Ministry of Agriculture, Shanghai Jiao Tong University, Shanghai 200240, China; (C.W.); (H.Y.); (Y.Z.)
| | - Hao Yin
- Bor S. Luh Food Safety Research Center, SJTU-OSU Innovation Center for Environmental Sustainability, Key Laboratory of Urban Agriculture, Ministry of Agriculture, Shanghai Jiao Tong University, Shanghai 200240, China; (C.W.); (H.Y.); (Y.Z.)
| | - Yanyun Zhao
- Bor S. Luh Food Safety Research Center, SJTU-OSU Innovation Center for Environmental Sustainability, Key Laboratory of Urban Agriculture, Ministry of Agriculture, Shanghai Jiao Tong University, Shanghai 200240, China; (C.W.); (H.Y.); (Y.Z.)
- Department of Food Science and Technology, Oregon State University, 100 Wiegand Hall, Corvallis, OR 97331, USA
| | - Yan Zheng
- Wilmar Global Research and Development Centre, No. 118 Gaodong Rd., Shanghai 200137, China; (Y.Z.); (X.X.)
| | - Xuebing Xu
- Wilmar Global Research and Development Centre, No. 118 Gaodong Rd., Shanghai 200137, China; (Y.Z.); (X.X.)
| | - Jin Yue
- Bor S. Luh Food Safety Research Center, SJTU-OSU Innovation Center for Environmental Sustainability, Key Laboratory of Urban Agriculture, Ministry of Agriculture, Shanghai Jiao Tong University, Shanghai 200240, China; (C.W.); (H.Y.); (Y.Z.)
- Correspondence: ; Tel.: +86-021-3420-5868
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Hu J, Yuan L, An G, Zhang J, Zhao X, Liu Y, Shan J, Wang Z. Antigenic activity and epitope analysis of β-conglycinin hydrolyzed by pepsin. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:1396-1402. [PMID: 32835413 DOI: 10.1002/jsfa.10752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 07/21/2020] [Accepted: 08/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Soybean is among the 'big eight' allergenic foods, and β-conglycinin, the main antigenic protein of soybean, has high levels of antigenic activity. Why the antigenic activity of soybean β-conglycinin is not eliminated by enzymatic hydrolysis is not clear. In this study, changes in the molecular composition and antigenicity of β-conglycinin hydrolyzed by pepsin were analyzed and it was determined whether complete sequential epitopes exist in the resulting hydrolysates. The nature and antigenic activity of protein subunits obtained after β-conglycinin hydrolysis were also assessed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and competitive enzyme-linked immunosorbent assay, respectively. RESULTS The residual antigenic activity of β-conglycinin was 52%, α'- and α-subunits completely disappeared, the 49 kDa fraction partially disappeared, and peptides measuring 27 and 23 kDa were newly formed after 60 min of enzymatic hydrolysis. Prolonged enzymatic hydrolysis did not result in remarkable changes in these peptides; thus, the peptides show some resistance to enzymatic hydrolysis. The amino acid sequences of the peptide chains were analyzed by matrix-assisted laser desorption / ionization-time of flight mass spectrometry and aligned with the related sequences in the corresponding protein and antigen databases. Ten complete sequential epitopes were identified in the residual 49 kDa fraction, of these epitopes, two were from α-subunits and eight were from β-subunits. CONCLUSION The presence of complete sequential epitopes in hydrolysates obtained from the enzymatic hydrolysis of soybean is an important reason for the incomplete disappearance of the antigenic activity of β-conglycinin. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Jinqiang Hu
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
- International Joint Laboratory of Food Safety, Zhengzhou, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, China
| | - Luyang Yuan
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Guangjie An
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Junsong Zhang
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Xuewei Zhao
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Yang Liu
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Jinjin Shan
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Zhangcun Wang
- School of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, China
- International Joint Laboratory of Food Safety, Zhengzhou, China
- Collaborative Innovation Center of Food Production and Safety, Zhengzhou, China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou, China
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21
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Tang CH. Strategies to utilize naturally occurring protein architectures as nanovehicles for hydrophobic nutraceuticals. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106344] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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22
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Xi J, Yao L, Li S. Identification of β-conglycinin α' subunit antigenic epitopes destroyed by thermal treatments. Food Res Int 2021; 139:109806. [DOI: 10.1016/j.foodres.2020.109806] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 10/23/2022]
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23
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Xi J, Yu Q. The development of lateral flow immunoassay strip tests based on surface enhanced Raman spectroscopy coupled with gold nanoparticles for the rapid detection of soybean allergen β-conglycinin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 241:118640. [PMID: 32659701 DOI: 10.1016/j.saa.2020.118640] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 06/16/2020] [Accepted: 06/21/2020] [Indexed: 05/21/2023]
Abstract
β-Conglycinin is an important storage protein in soybean, which can potentially cause food allergies in human. In this study, a sensitive mouse monoclonal antibody (3D11 mAb) with a high affinity was prepared, and sandwich lateral flow immunochromatographic detection strips were developed for the rapid detections of the soybean allergen β-conglycinin. The 3D11 mAb was combined with a rabbit polyclonal antibody in order to establish strips. The titer of 3D11 mAb was 1:2.56 × 105. The affinity constant of the 3D11 mAb was 9.6 × 109. The lowest detection limit with the naked eye of the double antibody sandwich strips was 1 μg/mL. In addition, chemical molecules p-aminothiophenol with colloidal gold were used as Raman enhancement signals in order to achieve quantitative detections of the β-conglycinin. It was determined in this study that the practical working range of the β-conglycinin concentrations was between 160 ng/mL and 100 μg/mL with the developed assay.
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Affiliation(s)
- Jun Xi
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Qiurong Yu
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China
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25
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Xi J, He M. Location of destroyed antigenic sites of Gly m Bd 60 K after three processing technologies. Food Res Int 2020; 134:109199. [PMID: 32517911 DOI: 10.1016/j.foodres.2020.109199] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 03/23/2020] [Accepted: 03/26/2020] [Indexed: 01/24/2023]
Abstract
Gly m Bd 60 K, which is the α subunit of β-conglycinin, is a major soybean (Glycine max) allergen. We used high hydrostatic pressure (HHP), thermal techniques, and glycation to treat β-conglycinin, which can effectively reduce the antigenicity of β-conglycinin. β-conglycinin was used to immunize New Zealand rabbits, and the antiserum had a titer > 1: 1 × 105 and an IC50 of 2.254 μg/mL. β-conglycinin was subjected to HHP, thermal techniques, and glycation and mixed with rabbit antiserum against β-conglycinin to obtain the site-specific antiserum. The overlapping gene fragments of Gly m Bd 60 K were amplified by polymerase chain reaction (PCR), then cloned into a T7 phage vector and packaged in vitro, the recombinant T7 phages were constructed. Indirect ELISA (iELISA) was used to locate the destroyed antigenic sites and, after three rounds of segment expression and identification, the C2-1 and C2-2 fragments were identified as destroyed antigenic sites of Gly m Bd 60 K. Allergenicity analysis showed that the C2-1 and C2-2 fragments reacted with allergic patients' serum, which indicated that the destroyed sites were allergic sites.
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Affiliation(s)
- Jun Xi
- School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, Henan, China.
| | - MengXue He
- School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, Henan, China
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26
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Effects of high hydrostatic pressure combined with heat treatment on the antigenicity and conformation of β-conglycinin. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03472-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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27
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Dong X, Wang J, Raghavan V. Critical reviews and recent advances of novel non-thermal processing techniques on the modification of food allergens. Crit Rev Food Sci Nutr 2020; 61:196-210. [PMID: 32048519 DOI: 10.1080/10408398.2020.1722942] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Nowadays, the increasing prevalence of food allergy has become a public concern related to human health worldwide. Thus, it is imperative and necessary to provide some efficient methods for the management of food allergy. Some conventional processing methods (e.g., boiling and steaming) have been applied in the reduction of food immunoreactivity, while these treatments significantly destroy nutritional components present in food sources. Several studies have shown that novel processing techniques generally have better performance in retaining original characteristics of food and improving the efficiency of eliminating allergens. This review has focused on the recent advances of novel non-thermal processing techniques including high-pressure processing, ultrasound, pulsed light, cold plasma, fermentation, pulsed electric field, enzymatic hydrolysis, and the combination processing of them. Meanwhile, general information on global food allergy prevalence and food allergy pathology are also described. Hopefully, these findings regarding the modifications on the food allergens through various novel food processing techniques can provide an in-depth understanding in the mechanism of food allergy, which in turn possibly provides a strategy to adapt in the reduction of food immunoreactivity for the food industries.
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Affiliation(s)
- Xin Dong
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, Quebec, Canada
| | - Jin Wang
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, Quebec, Canada
| | - Vijaya Raghavan
- Department of Bioresource Engineering, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, Quebec, Canada
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28
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Xi J, He M, Pi J. Identification of antigenic sites destructed by high hydrostatic pressure (HHP) of the β subunit of β-conglycinin. Int J Biol Macromol 2019; 141:1287-1292. [PMID: 31499107 DOI: 10.1016/j.ijbiomac.2019.09.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 09/05/2019] [Accepted: 09/05/2019] [Indexed: 02/02/2023]
Abstract
β-conglycinin is one of the most allergenic proteins, and its constituent subunits α', α, and β are all potential allergens to humans. In the present study, we concentrated on the destructed antigenic sites of β subunit of β-conglycinin after high hydrostatic pressure (HHP) treatment. In this paper, the overlapping gene fragments of the β subunit of β-conglycinin were amplified by polymerase chain reaction (PCR) and cloned into T7 phage vectors. After being packaged in vitro, the recombinant T7 phage was constructed, and the overlapping fragments of the β subunit were displayed on the phage surface. The recombinant phages that expressed the overlapping fragments of the β subunit were used to react with specific antiserum by indirect ELISA to identify the HHP destructed antigenic sites. After three rounds of expression and identification, we used synthetic peptide technology to identify that the obtained fragment was a conformational epitope. We further confirmed that HHP treatment changed the conformational structure of β-conglycinin, which reduced the antigenicity of the protein.
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Affiliation(s)
- Jun Xi
- Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, Henan, China.
| | - MengXue He
- Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, Henan, China
| | - JiangYi Pi
- Engineering Technology Research Center for Grain & Oil Food, State Administration of Grain, School of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, Henan, China
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29
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Wang C, Wang J, Zhu D, Hu S, Kang Z, Ma H. Effect of dynamic ultra-high pressure homogenization on the structure and functional properties of whey protein. Journal of Food Science and Technology 2019; 57:1301-1309. [PMID: 32180626 DOI: 10.1007/s13197-019-04164-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/27/2019] [Accepted: 11/08/2019] [Indexed: 01/26/2023]
Abstract
The effects of dynamic ultra-high pressure homogenization (UHPH) on the structure and functional properties of whey protein were investigated in this study. Whey protein solution of 10 mg/mL (1% w/w) was prepared and processed by a laboratory scale high pressure homogenizer with different pressures (25, 50, 100, 150, 200, and 250 MPa) at an initial temperature of 25 °C. Then, the solution samples were evaluated in terms of secondary structure, sulfhydryl and disulfide bond contents, surface hydrophobicity, average particle size, solubility, foaming capacity, emulsifying activity, and thermal properties. It was found that the secondary structure of whey protein changed with the dynamic UHPH treatment. The interchange reaction between the disulfide bond and the sulfhydryl group was promoted and the surface hydrophobicity significantly increased. The functional properties of the whey protein accordingly changed. Specifically, after dynamic UHPH treatment, the average particle size of the whey protein and emulsion decreased while the solubility, the foaming capability and the emulsification stability increased significantly. The results also revealed that with the dynamic UHPH at 150 MPa, the best improvement was observed in the whey protein functional properties. The whey protein solubility increased from 63.15 to 71.61% and the emulsification stability improved from 195 to 467 min.
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Affiliation(s)
- Chunyan Wang
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
| | - Jianan Wang
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
| | - Dongyang Zhu
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
| | - Shengjie Hu
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
| | - Zhuangli Kang
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
| | - Hanjun Ma
- School of Food Science, Henan Institute of Science and Technology, Xinxiang, 453003 China
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