1
|
Pi X, Zhu L, Liu J, Zhang B. Effect of Thermal Processing on Food Allergenicity: Mechanisms, Application, Influence Factor, and Future Perspective. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:20225-20240. [PMID: 39254084 DOI: 10.1021/acs.jafc.4c04860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/11/2024]
Abstract
Thermally processed foods are essential in the human diet, and their induced allergic reactions are also very common, seriously affecting human health. This review covers the effects of thermal processing on food allergenicity, involving boiling, water/oil bath heating, roasting, autoclaving, steaming, frying, microwave heating, ohmic heating, infrared heating, and radio frequency heating. It was found that thermal processing decreased the protein electrophoretic band intensity (except for infrared heating and radio frequency heating) responsible for destruction of linear epitopes and changed the protein structure responsible for the masking of linear/conformational epitopes or the destruction of conformational epitopes, thus decreasing food allergenicity. The outcome was related to thermal processing (e.g., temperature, time) and food (e.g., types, pH) condition. Of note, as for conventional thermal processing, it is necessary to control the generation of the advanced glycation end products in roasting/baking and frying, and the increase of structural flexibility in boiling and water/oil bath heating, autoclaving, and steaming must be controlled; otherwise, it might increase food allergenicity. As for novel thermal processing, the temperature nonuniformity of microwave and radio frequency heating, low penetration of infrared heating, and unwanted metal ion production of ohmic heating must be considered; otherwise, it might be the nonuniformity and low effect of allergenicity reduction and safety problems.
Collapse
Affiliation(s)
- Xiaowen Pi
- College of Food Science, Southwest University, Chongqing, 400715, P. R. China
- "Modern Chuan cai Yu wei" Food Industry Innovation Research Institute, Chongqing, 400715, P. R. China
| | - LiLin Zhu
- College of Food Science, Southwest University, Chongqing, 400715, P. R. China
| | - Jiayuan Liu
- College of Food Science, Southwest University, Chongqing, 400715, P. R. China
| | - Binjia Zhang
- College of Food Science, Southwest University, Chongqing, 400715, P. R. China
- "Modern Chuan cai Yu wei" Food Industry Innovation Research Institute, Chongqing, 400715, P. R. China
| |
Collapse
|
2
|
Zhou E, Li Q, Xu R, Pan F, Tao Y, Li X, Xue X, Wu L. Covalent conjugation with quercetin mitigates allergenicity of the bee pollen allergen Bra c p in a murine model. Food Chem 2024; 436:137722. [PMID: 37857207 DOI: 10.1016/j.foodchem.2023.137722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/26/2023] [Accepted: 10/08/2023] [Indexed: 10/21/2023]
Abstract
Profilin family members are highly conserved food allergens that can cause widespread cross-allergic reactions. Our previous research has demonstrated that the covalent conjunction with quercetin can disrupt the conformational epitopes of a profilin allergen, Bra c p. In this study, we further investigated the intrinsic molecular mechanisms using molecular dynamics simulations. Moreover, the allergenic potential of Bra c p and its conjugate with quercetin was assessed in BALB/c mice. The results showed that continuous interaction with quercetin increased the molecular motion of Bra c p, causing changes to its α-helices and exposing hydrophobic residues which altered antigenic epitopes. Additionally, mice treated with Bra c p-quercetin conjugate showed reduced allergic reactions compared to those treated with Bra c p alone by regulating purine metabolism, calcium signaling, and CD4+CD25+ Tregs proportion. Quercetin conjugation decreases the allergenicity of Bra c p, providing a scientific foundation for reducing the profilin allergens in food.
Collapse
Affiliation(s)
- Enning Zhou
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Qiangqiang Li
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Rui Xu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Science (CAAS), Beijing 100193, China
| | - Fei Pan
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Yuxiao Tao
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Xiangxin Li
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Xiaofeng Xue
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China
| | - Liming Wu
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100093, China.
| |
Collapse
|
3
|
Meng Y, Wei Z, Xue C. Deciphering the interaction mechanism and binding mode between chickpea protein isolate and flavonoids based on experimental studies and molecular simulation. Food Chem 2023; 429:136848. [PMID: 37454615 DOI: 10.1016/j.foodchem.2023.136848] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
Chickpea protein isolate (CPI) is a promising novel plant protein, and protein-flavonoid system has also been applied in various food products. However, the interaction mechanism between CPI and flavonoids remains to be elucidated. In this paper, the affinity behavior between flavonoids and CPI was explained by constructing the three-dimensional quantitative structure-activity relationship (R2 = 0.988, Q2 = 0.777). Subsequently, four representative flavonoids were selected for further study. Multi-spectroscopy analysis showed that the sequence of affinity for CPI was puerarin > apigenin > naringenin > epigallocatechin gallate. Meanwhile, flavonoids altered the secondary structure and spatial conformation of CPI, leading to the static quenching of CPI. Additionally, thermodynamic analysis indicated that hydrogen bonding and van der Waals forces were the main driving forces for complex binding. Molecular docking and molecular dynamics simulations further explored the binding sites and conformations of complexes. This study provides theoretical guidance for in-depth research on the interaction patterns between biomacromolecules and small molecules in food matrices.
Collapse
Affiliation(s)
- Yuan Meng
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China
| | - Zihao Wei
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China.
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; Laboratory of Marine Drugs and Biological Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
| |
Collapse
|
4
|
Li S, Chu KH, Wai CYY. Genomics of Shrimp Allergens and Beyond. Genes (Basel) 2023; 14:2145. [PMID: 38136967 PMCID: PMC10742822 DOI: 10.3390/genes14122145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Allergy to shellfishes, including mollusks and crustaceans, is a growing health concern worldwide. Crustacean shellfish is one of the "Big Eight" allergens designated by the U.S. Food and Drug Administration and is the major cause of food-induced anaphylaxis. Shrimp is one of the most consumed crustaceans triggering immunoglobulin E (IgE)-mediated allergic reactions. Over the past decades, the allergen repertoire of shrimp has been unveiled based on conventional immunodetection methods. With the availability of genomic data for penaeid shrimp and other technological advancements like transcriptomic approaches, new shrimp allergens have been identified and directed new insights into their expression levels, cross-reactivity, and functional impact. In this review paper, we summarize the current knowledge on shrimp allergens, as well as allergens from other crustaceans and mollusks. Specific emphasis is put on the genomic information of the shrimp allergens, their protein characteristics, and cross-reactivity among shrimp and other organisms.
Collapse
Affiliation(s)
- Shanshan Li
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China; (S.L.); (K.H.C.)
| | - Ka Hou Chu
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China; (S.L.); (K.H.C.)
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510000, China
| | - Christine Yee Yan Wai
- Department of Paediatrics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
- Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China
| |
Collapse
|
5
|
Zou S, Wang F, Cheng JH, Wong SHD. Mechanism of Cold Plasma Combined with Glycation in Altering IgE-Binding Capacity and Digestion Stability of Tropomyosin from Shrimp. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15796-15808. [PMID: 37816072 DOI: 10.1021/acs.jafc.3c04796] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
Tropomyosin (TM) is a major crustacean allergen, and the present studies have tried to reduce its allergenicity by processing technologies. However, most research stopped on the allergenicity and structure of allergens, while information about epitopes was less. In this study, we first investigated the effects of cold plasma (CP) combined with glycation (CP-G) treatment on the processing and trypsin cleavage sites of TM from shrimp (Penaeus chinensis). The results showed a significant reduction in the IgE-binding capacity of TM after CP-G treatment, with a maximum reduction of 30%. This reduction was associated with the combined effects: modification induced by CP destroyed the core helical structure (D137 and E218) and occupied the potential glycation sites, leading to sequent glycation on conserved areas of TM, especially the epitope L130-Q147. Additionally, CP-G treatment decreased the digestion stability of TM by increasing the number of cleavage sites of trypsin and improving the efficiency of some sites, including K5, K6, K30, and R133, resulting in a lower IgE-binding capacity of digestion products, which fell to a maximum of 20%. Thus, CP-G is a valuable and reliable processing technology for the desensitization of aquatic products.
Collapse
Affiliation(s)
- Sang Zou
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Fengqi Wang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Jun-Hu Cheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Siu Hong Dexter Wong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, China
- Research Institute for Sports Science and Technology, The Hong Kong Polytechnic University, Kowloon 999077, Hong Kong, China
| |
Collapse
|
6
|
Pi X, Liu J, Peng Z, Liang S, Cheng J, Sun Y. Comparison of proanthocyanidins A2 and B2 on IgE-reactivity and epitopes in Gly m 6 using multispectral, LC/MS-MS and molecular docking. Int J Biol Macromol 2023; 249:126026. [PMID: 37506791 DOI: 10.1016/j.ijbiomac.2023.126026] [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: 03/15/2023] [Revised: 07/23/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
This study comparatively analyzed the changes in IgE-reactivity and epitopes in proanthocyanidins A2- (PA-Gly m 6) and B2-Gly m 6 (PB-Gly m 6) conjugates prepared by alkali treatment at 80 °C for 20 min. Similar to the western blot, ELISA also showed a higher reduced IgE-reactivity in PA-Gly m 6 (70.12 %) than PB-Gly m 6 (63.17 %). SDS-PAGE demonstrated that proanthocyanidins A2 caused more formation of >180 kDa polymers than proanthocyanidins B2. Multispectral analyses revealed that PA-Gly m 6 exhibited more structural alteration (e.g., a decrease of α-helical content and ANS fluorescence intensity) to unfold protein structure than proanthocyanidins B2, improving the accessibility to modify Gly m 6 for shielding or destroying conformational epitopes. LC/MS-MS revealed that PA-Gly m 6 conjugates had a lower abundance of allergens, peptides and linear epitopes than PB-Gly m 6 conjugates. Molecular docking showed that proanthocyanidins A2 and B2 reacted with Gln-317 and Asn-94 of epitopes, respectively. Overall, proanthocyanidins A2 is more effective than proanthocyanidins B2 to decrease the IgE-reactivity of Gly m 6 due to more shielding or destruction of conformational epitopes and lower content allergens and linear epitopes, which was attributed to more protein-crosslinks formation and structural changes in PA-Gly m 6 conjugates.
Collapse
Affiliation(s)
- Xiaowen Pi
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Jiafei Liu
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Zeyu Peng
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Shuxia Liang
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Jiangsu DAISY FSMP Co., Ltd, Nantong, Jiangsu 226133, China
| | - Jianjun Cheng
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Yuxue Sun
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| |
Collapse
|
7
|
Zhao J, Zeng J, Liu Y, Lin H, Gao X, Wang H, Zhang Z, Lin H, Li Z. Understanding the Mechanism of Increased IgG/IgE Reactivity but Decreased Immunodetection Recovery in Thermally Induced Shrimp ( Litopenaeus vannamei) Tropomyosin via Multispectroscopic and Molecular Dynamics Simulation Techniques. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:3444-3458. [PMID: 36750428 DOI: 10.1021/acs.jafc.2c08221] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Despite the fact that tropomyosin (TM) has highly stable structural characteristics, thermal processing can adversely influence its immunodetection, and the mechanism involved has not been elucidated. Purified TM was heated at various temperatures, and then the IgG/IgE-binding capacity and immunodetection recovery were determined; meanwhile, the structural alterations were analyzed via spectroscopic and molecular dynamics simulation techniques. The obtained results demonstrated that heat-treated TM showed significantly increased IgG/IgE reactivity, confirmed by indirect ELISA and immunoblotting analysis, which might be attributed to the increased structural flexibility, and thus allowed TM to be recognized IgG/IgE easily. However, these structural alterations during thermal processing would contribute to the masking of some epitopes located in TM's surface due to the presence of curled or folded conformation with a considerable reduction of the solvent-accessible surface and radius of gyration, which primarily caused immunodetection recovery reduction in the sandwich ELISA (sELISA) test. The number of antigen binding sites might play a crucial role in a sandwich immunodetection system for sensitive and precise analysis in processed foods.
Collapse
Affiliation(s)
- Jinlong Zhao
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| | - Jianhua Zeng
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| | - Yuhai Liu
- Dawning International Information Industry Co., Ltd., No.169, Songling Road, Qingdao City 266101, Shandong Province, PR China
| | - Hang Lin
- Department of Allergy, The Affiliated Hospital of Qingdao University, No.16, Jiangsu Road, Qingdao City 266003, Shandong Province, PR China
| | - Xiang Gao
- Department of Allergy, The Affiliated Hospital of Qingdao University, No.16, Jiangsu Road, Qingdao City 266003, Shandong Province, PR China
| | - Hao Wang
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| | - Ziye Zhang
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| | - Zhenxing Li
- College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao City 266003, Shandong Province, PR China
| |
Collapse
|
8
|
Hu X, Zeng Z, Zhang J, Wu D, Li H, Geng F. Molecular dynamics simulation of the interaction of food proteins with small molecules. Food Chem 2022; 405:134824. [DOI: 10.1016/j.foodchem.2022.134824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/21/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022]
|
9
|
Zhao J, Timira V, Ahmed I, Chen Y, Wang H, Zhang Z, Lin H, Li Z. Crustacean shellfish allergens: influence of food processing and their detection strategies. Crit Rev Food Sci Nutr 2022; 64:3794-3822. [PMID: 36263970 DOI: 10.1080/10408398.2022.2135485] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Despite the increasing popularity of crustacean shellfish among consumers due to their rich nutrients, they can induce a serious allergic response, sometimes even life-threatening. In the past decades, a variety of crustacean allergens have been identified to facilitate the diagnosis and management of crustacean allergies. Although food processing techniques can ease the risk of crustacean shellfish allergy, no available processing methods to tackle crustacean allergies thoroughly. Strict dietary avoidance of crustacean shellfish and its component is the best option for the protection of sensitized individuals, which should rely on the compliance of food labeling and, as such, on their verification by sensitive, reliable, and accurate detection techniques. In this present review, the physiochemical properties, structure aspects, and immunological characteristics of the major crustacean allergens have been described and discussed. Subsequently, the current research progresses on how various processing techniques cause the alterations and modifications in crustacean allergens to produce hypoallergenic crustacean food products were summarized and discussed. Particularly, various analytical methodologies employed in crustacean shellfish allergen detection, and the effect of food processing and matrix on these techniques, are also herein emphasized for the appropriate selection of analytical detection tools to safeguard consumers safety.
Collapse
Affiliation(s)
- Jinlong Zhao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Vaileth Timira
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Ishfaq Ahmed
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Yan Chen
- China National Center for Food Safety Risk Assessment, Chaoyang District, Beijing, P.R. China
| | - Hao Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Ziye Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| | - Zhenxing Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong, P.R. China
| |
Collapse
|