1
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Chinarak K, Wongnen C, Chaijan M, Tamman A, Donlao N, Cheong LZ, Worawan Panpipat. Unveiling the transformative influence of sonochemistry on formation of whey protein isolate and green tea extract (WPI-GTE) conjugates. ULTRASONICS SONOCHEMISTRY 2024; 110:107037. [PMID: 39178554 PMCID: PMC11388667 DOI: 10.1016/j.ultsonch.2024.107037] [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: 06/26/2024] [Revised: 07/28/2024] [Accepted: 08/18/2024] [Indexed: 08/26/2024]
Abstract
This study investigated the formation of conjugates between whey protein isolate (WPI) and green tea extract (GTE) using three methods: redox-pair (R), ultrasound-assisted redox-pair (RU), and ultrasonication (UL). Ultrasonication significantly reduced the reaction time for synthesizing WPI-GTE conjugates compared to the standard R method (p < 0.05). The UL methods had the highest conjugate yield determined by polyphenol binding (p < 0.05). Fourier-transform infrared spectroscopy (FTIR) and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) confirmed the conjugate formation, indicating an increased molecular weight due to protein binding with polyphenols through covalent and non-covalent bonds. Conjugates produced via ultrasonication exhibited enhanced solubility, smaller particle size, better emulsifying capacity, and improved foaming ability compared to those formed using the traditional R method (p < 0.05). However, conjugates from the R method showed higher antioxidant activity, as evidenced by DPPH•and ABTS•+ scavenging activities (p < 0.05). In conclusion, WPI-GTE conjugates created through ultrasonic treatment demonstrate potential as dual-functional ingredients, serving as both antioxidant and emulsifier.
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Affiliation(s)
- Khanittha Chinarak
- Food Technology and Innovation Research Center of Excellence, Department of Food Industry, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Chantira Wongnen
- Food Technology and Innovation Research Center of Excellence, Department of Food Industry, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Manat Chaijan
- Food Technology and Innovation Research Center of Excellence, Department of Food Industry, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Arlee Tamman
- Thailand Institute of Nuclear Technology (Public Organization), Saimoon, Ongkarak District, Nakhon Nayok 26120, Thailand
| | - Natthawuddhi Donlao
- Food Science and Technology Program, School of Agro-Industry, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Ling-Zhi Cheong
- School of Agriculture, Food and Ecosystem, University of Melbourne, Parkville, VIC 3010, Australia
| | - Worawan Panpipat
- Food Technology and Innovation Research Center of Excellence, Department of Food Industry, School of Agricultural Technology and Food Industry, Walailak University, Nakhon Si Thammarat 80160, Thailand.
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2
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Kieserling H, de Bruijn WJC, Keppler J, Yang J, Sagu ST, Güterbock D, Rawel H, Schwarz K, Vincken JP, Schieber A, Rohn S. Protein-phenolic interactions and reactions: Discrepancies, challenges, and opportunities. Compr Rev Food Sci Food Saf 2024; 23:e70015. [PMID: 39245912 DOI: 10.1111/1541-4337.70015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 08/16/2024] [Accepted: 08/18/2024] [Indexed: 09/10/2024]
Abstract
Although noncovalent interactions and covalent reactions between phenolic compounds and proteins have been investigated across diverse scientific disciplines, a comprehensive understanding and identification of their products remain elusive. This review will initially outline the chemical framework and, subsequently, delve into unresolved or debated chemical and functional food-related implications, as well as forthcoming challenges in this topic. The primary objective is to elucidate the multiple aspects of protein-phenolic interactions and reactions, along with the underlying overwhelming dynamics and possibilities of follow-up reactions and potential crosslinking between proteins and phenolic compounds. The resulting products are challenging to identify and characterize analytically, as interactions and reactions occur concurrently, mutually influencing each other. Moreover, they are being modulated by various conditions such as the reaction parameters and, obviously, the chemical structure. Additionally, this review delineates the resulting discrepancies and challenges of properties and attributes such as color, taste, foaming, emulsion and gel formation, as well as effects on protein digestibility and allergenicity. Ultimately, this review is an opinion paper of a group of experts, dealing with these challenges for quite a while and aiming at equipping researchers with a critical and systematic approach to address current research gaps concerning protein-phenolic interactions and reactions.
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Affiliation(s)
- Helena Kieserling
- Institute of Food Technology and Food Chemistry, Department of Food Chemistry and Analysis, Technische Universität Berlin, Berlin, Germany
| | - Wouter J C de Bruijn
- Laboratory of Food Chemistry, Wageningen University, Wageningen, The Netherlands
| | - Julia Keppler
- Laboratory of Food Process Engineering, Wageningen University, Wageningen, The Netherlands
| | - Jack Yang
- Laboratory of Physics and Physical Chemistry of Foods, Wageningen University, Wageningen, The Netherlands
| | | | - Daniel Güterbock
- Institute of Food Technology and Food Chemistry, Department of Food Chemistry and Analysis, Technische Universität Berlin, Berlin, Germany
| | - Harshadrai Rawel
- Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Karin Schwarz
- Institute of Human Nutrition and Food Science, Division of Food Technology, Christian-Albrechts-Universität Kiel, Kiel, Germany
| | - Jean-Paul Vincken
- Laboratory of Food Chemistry, Wageningen University, Wageningen, The Netherlands
| | - Andreas Schieber
- Agricultural Faculty, Institute of Nutritional and Food Sciences, Molecular Food Technology, University of Bonn, Bonn, Germany
| | - Sascha Rohn
- Institute of Food Technology and Food Chemistry, Department of Food Chemistry and Analysis, Technische Universität Berlin, Berlin, Germany
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3
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Ma Z, Zhao J, Zou Y, Mao X. The enhanced affinity of moderately hydrolyzed whey protein to EGCG promotes the isoelectric separation and unlocks the protective effects on polyphenols. Food Chem 2024; 450:138833. [PMID: 38653053 DOI: 10.1016/j.foodchem.2024.138833] [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: 09/19/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 04/25/2024]
Abstract
The instability and discoloration of (-)-epigallocatechin-3-gallate (EGCG) constrain its application in functional dairy products. Concurrently, challenges persist in the separation and utilization of whey in the dairy industry. By harnessing the interactions between polyphenols and whey proteins or their hydrolysates, this study proposed a method that involved limited enzymatic hydrolysis followed by the addition of EGCG and pH adjustment around the isoelectric point to obtain whey protein hydrolysates (WPH)-EGCG. Over 92 % of protein-EGCG complexes recovered from whey while ensuring the preservation of α-lactalbumin. The combination between EGCG and WPH depended on hydrogen bonding and hydrophobic interactions, significantly enhanced the thermal stability and storage stability of EGCG. Besides, the intestinal phase retention rate of EGCG in WPH-EGCG complex was significantly increased by 23.67 % compared to free EGCG. This work represents an exploratory endeavor in the improvement of EGCG stability and expanding the utilization approaches of whey.
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Affiliation(s)
- Zhiyuan Ma
- College of Food Science and Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China
| | - Jiale Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China
| | - Yang Zou
- Tianjin Haihe Dairy Co., LTD, China
| | - Xueying Mao
- College of Food Science and Nutritional Engineering, China Agricultural University, Key Laboratory of Functional Dairy, Ministry of Education, Beijing 100083, China.
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4
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Wijegunawardhana D, Wijesekara I, Liyanage R, Truong T, Silva M, Chandrapala J. Process-Induced Molecular-Level Protein-Carbohydrate-Polyphenol Interactions in Milk-Tea Blends: A Review. Foods 2024; 13:2489. [PMID: 39200417 PMCID: PMC11353574 DOI: 10.3390/foods13162489] [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: 07/17/2024] [Revised: 07/31/2024] [Accepted: 08/01/2024] [Indexed: 09/02/2024] Open
Abstract
The rapid increase in the production of powdered milk-tea blends is driven by a growing awareness of the presence of highly nutritious bioactive compounds and consumer demand for convenient beverages. However, the lack of literature on the impact of heat-induced component interactions during processing hinders the production of high-quality milk-tea powders. The production process of milk-tea powder blends includes the key steps of pasteurization, evaporation, and spray drying. Controlling heat-induced interactions, such as protein-protein, protein-carbohydrate, protein-polyphenol, carbohydrate-polyphenol, and carbohydrate-polyphenol, during pasteurization, concentration, and evaporation is essential for producing a high-quality milk-tea powder with favorable physical, structural, rheological, sensory, and nutritional qualities. Adjusting production parameters, such as the type and the composition of ingredients, processing methods, and processing conditions, is a great way to modify these interactions between components in the formulation, and thereby, provide improved properties and storage stability for the final product. Therefore, this review comprehensively discusses how molecular-level interactions among proteins, carbohydrates, and polyphenols are affected by various unit operations during the production of milk-tea powders.
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Affiliation(s)
- Dilema Wijegunawardhana
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia; (D.W.); (T.T.); (M.S.)
- Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, Dampe-Pitipana Road, Homagama 10200, Sri Lanka;
| | - Isuru Wijesekara
- Department of Food Science and Technology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda 10250, Sri Lanka;
| | - Rumesh Liyanage
- Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, Dampe-Pitipana Road, Homagama 10200, Sri Lanka;
| | - Tuyen Truong
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia; (D.W.); (T.T.); (M.S.)
- School of Science, Engineering & Technology, RMIT University, Ho Chi Minh City 700000, Vietnam
| | - Mayumi Silva
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia; (D.W.); (T.T.); (M.S.)
| | - Jayani Chandrapala
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia; (D.W.); (T.T.); (M.S.)
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5
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Pi X, Zhu L, Wang Y, Sun F, Zhang B. Effect of the Combined Ultrasound with Other Technologies on Food Allergenicity: Ultrasound before, under, and after Other Technologies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16095-16111. [PMID: 38984512 DOI: 10.1021/acs.jafc.4c03562] [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: 07/11/2024]
Abstract
Food allergies are a main public health disease in the world. Ultrasound is an environmentally friendly technology that typically leads to protein unfolding and loss of protein structure, which means it has the potential to be combined with other technologies to achieve a great reduction of allergenicity in foods. This review concludes the effects of the combined ultrasound with other technologies on food allergenicity from three combinations: ultrasound before other technologies, ultrasound under other technologies, and ultrasound after other technologies. Each combination affects food allergenicity through different mechanisms: (1) as for ultrasound before other technologies, ultrasound pretreatment can unfold and lose the protein structure to improve the accessibility of other technologies to epitopes; (2) as for ultrasound under other technologies, ultrasound can continuously affect the accessibility of other technologies to epitopes; (3) as for ultrasound after other technologies, ultrasound further induces structural changes to mask and disrupt the epitopes. The reduction of allergenicity is related to the ultrasound/other technologies conditions and food types/cultivars, etc. The comparison of ultrasound before, under, and after other technologies to decrease food allergenicity should be further investigated in the future. The combination of ultrasound with other technologies is promising to produce hypoallergenic foods.
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Affiliation(s)
- Xiaowen Pi
- College of Food Science, Southwest University, Chongqing 400715, China
- Modern "Chuan cai Yu wei" Food Industry Innovation Research Institute, Chongqing 400715, China
| | - Lilin Zhu
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yixuan Wang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Farong Sun
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Binjia Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
- Modern "Chuan cai Yu wei" Food Industry Innovation Research Institute, Chongqing 400715, China
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6
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Yang Y, Zhang Q, Zhang R, Jiao A, Jin Z. Effects of different polysaccharide colloids on the structure and physicochemical properties of peanut protein and wheat gluten composite system under extrusion. Int J Biol Macromol 2024; 272:132773. [PMID: 38823746 DOI: 10.1016/j.ijbiomac.2024.132773] [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: 03/26/2024] [Revised: 05/13/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
The structure and physicochemical properties of the complex system of peanut protein and gluten with different concentrations (0 %, 0.5 %, 1 %, and 2 %) of carboxymethyl cellulose (CMC) or sodium alginate (SA) under high-moisture extrusion were studied. The water absorption index and low-field nuclear magnetic resonance showed that adding 0.5 % SA could significantly improve the water uniformity of peanut protein extrudates, while the increase in water absorption was not significant. The texture properties showed that adding CMC or SA increased the hardness, vertical shearing force, and parallel shearing force of the system. Furthermore, adding 0.5 % SA increased approximately 33 % and 75.2 % of the tensile distance and strength of the system, respectively. The secondary structure showed that CMC or SA decreased the proportion of α-helix, β-turn, and random coil, while increased β-sheet proportion. The results of hydrophobicity, unextractable protein, and endogenous fluorescence revealed that CMC and SA reduced the surface hydrophobicity of the system and caused fluorescence quenching in the system. Additionally, it was found that CMC generally increased the free sulfhydryl group content, while SA exhibited the opposite effect.
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Affiliation(s)
- Yueyue Yang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Qi Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ruixin Zhang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Aiquan Jiao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Zhengyu Jin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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7
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Yun Z, Li J, Zhu W, Yuan X, Zhao J, Liao M, Ma L, Chen F, Hu X, Ji J. Effects of Chlorogenic Acid on Lowering IgE-Binding Capacity of Soybean 7S: Comparison between Covalent and Noncovalent Interaction. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:12270-12280. [PMID: 38743450 DOI: 10.1021/acs.jafc.4c01982] [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: 05/16/2024]
Abstract
Allergenicity of soybean 7S protein (7S) troubles many people around the world. However, many processing methods for lowering allergenicity is invalid. Interaction of 7S with phenolic acids, such as chlorogenic acid (CHA), to structurally modify 7S may lower the allergenicity. Hence, the effects of covalent (C-I, periodate oxidation method) and noncovalent interactions (NC-I) of 7S with CHA in different concentrations (0.3, 0.5, and 1.0 mM) on lowering 7S allergenicity were investigated in this study. The results demonstrated that C-I led to higher binding efficiency (C-0.3:28.51 ± 2.13%) than NC-I (N-0.3:22.66 ± 1.75%). The C-I decreased the α-helix content (C-1:21.06%), while the NC-I increased the random coil content (N-1:24.39%). The covalent 7S-CHA complexes of different concentrations had lower IgE binding capacity (C-0.3:37.38 ± 0.61; C-0.5:34.89 ± 0.80; C-1:35.69 ± 0.61%) compared with that of natural 7S (100%), while the noncovalent 7S-CHA complexes showed concentration-dependent inhibition of IgE binding capacity (N-0.3:57.89 ± 1.23; N-0.5:46.91 ± 1.57; N-1:40.79 ± 0.22%). Both interactions produced binding to known linear epitopes. This study provides the theoretical basis for the CHA application in soybean products to lower soybean allergenicity.
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Affiliation(s)
- Ze Yun
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Jiahao Li
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Wenyue Zhu
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Xin Yuan
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Jiajia Zhao
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Minjie Liao
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Lingjun Ma
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Fang Chen
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Xiaosong Hu
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
| | - Junfu Ji
- College of Food Science and Nutritional Engineering, National Engineering Research Center for Fruit and Vegetable Processing, Key Lab of Fruit and Vegetable Processing, Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing 100083, China
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8
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Kuang X, Deng Z, Feng B, He R, Chen L, Liang G. The mechanism of epigallocatechin-3-gallate inhibiting the antigenicity of β-lactoglobulin under pH 6.2, 7.4 and 8.2: Multi-spectroscopy and molecular simulation methods. Int J Biol Macromol 2024; 268:131773. [PMID: 38657930 DOI: 10.1016/j.ijbiomac.2024.131773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/01/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
The antigenicity of β-lactoglobulin (β-LG) can be influenced by pH values and reduced by epigallocatechin-3-gallate (EGCG). However, a detailed mechanism concerning EGCG decreasing the antigenicity of β-LG at different pH levels lacks clarity. Here, we explore the inhibition mechanism of EGCG on the antigenicity of β-LG at pH 6.2, 7.4 and 8.2 using enzyme-linked immunosorbent assay, multi-spectroscopy, mass spectrometry and molecular simulations. The results of Fourier transform infrared spectroscopy (FTIR) and circular dichroism (CD) elucidate that the noncovalent binding of EGCG with β-LG induces variations in the secondary structure and conformations of β-LG. Moreover, EGCG inhibits the antigenicity of β-LG the most at pH 7.4 (98.30 %), followed by pH 6.2 (73.18 %) and pH 8.2 (36.24 %). The inhibitory difference is attributed to the disparity in the number of epitopes involved in the interacting regions of EGCG and β-LG. Our findings suggest that manipulating pH conditions may enhance the effectiveness of antigenic inhibitors, with the potential for further application in the food industry.
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Affiliation(s)
- Xiaoyu Kuang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China
| | - Zhifen Deng
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China
| | - Bowen Feng
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China
| | - Ran He
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China
| | - Lang Chen
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China
| | - Guizhao Liang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400045, China.
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9
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Simões R, Ribeiro AC, Dias R, Freitas V, Soares S, Pérez-Gregorio R. Unveiling the Immunomodulatory Potential of Phenolic Compounds in Food Allergies. Nutrients 2024; 16:551. [PMID: 38398875 PMCID: PMC10891931 DOI: 10.3390/nu16040551] [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: 01/08/2024] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
Food allergies are becoming ever more prevalent around the world. This pathology is characterized by the breakdown of oral tolerance to ingested food allergens, resulting in allergic reactions in subsequent exposures. Due to the possible severity of the symptoms associated with this pathology, new approaches to prevent it and reduce associated symptoms are of utmost importance. In this framework, dietary phenolic compounds appear as a tool with a not fully explored potential. Some phenolic compounds have been pointed to with the ability to modulate food allergies and possibly reduce their symptoms. These compounds can modulate food allergies through many different mechanisms, such as altering the bioaccessibility and bioavailability of potentially immunogenic peptides, by modulating the human immune system and by modulating the composition of the human microbiome that resides in the oral cavity and the gastrointestinal tract. This review deepens the state-of-the-art of the modulation of these mechanisms by phenolic compounds. While this review shows clear evidence that dietary supplementation with foods rich in phenolic compounds might constitute a new approach to the management of food allergies, it also highlights the need for further research to delve into the mechanisms of action of these compounds and decipher systematic structure/activity relationships.
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Affiliation(s)
- Rodolfo Simões
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
- Food and Health Omics Group, Food and Agroecology Institute, University of Vigo, Campus As Lagoas, s/n, 32004 Ourense, Spain
- Food and Health Omics Group, Department of Chemistry and Biochemistry, Galicia Sur Health Research Institute (IISGS), SERGAS-UVIGO, 32002 Ourense, Spain
| | - Ana Catarina Ribeiro
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
| | - Ricardo Dias
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
| | - Victor Freitas
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
| | - Susana Soares
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
| | - Rosa Pérez-Gregorio
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, Rua Campo Alegre 687, s/n, 4169-007 Porto, Portugal
- Food and Health Omics Group, Food and Agroecology Institute, University of Vigo, Campus As Lagoas, s/n, 32004 Ourense, Spain
- Food and Health Omics Group, Department of Chemistry and Biochemistry, Galicia Sur Health Research Institute (IISGS), SERGAS-UVIGO, 32002 Ourense, Spain
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10
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Chen Q, Liu Y, Li Y, Dong L, Liu Y, Liu L, Farag MA, Liu L. Interaction and binding mechanism of ovalbumin with cereal phenolic acids: improved structure, antioxidant activity, emulsifying and digestion properties for potential targeted delivery systems. Food Res Int 2024; 175:113726. [PMID: 38128987 DOI: 10.1016/j.foodres.2023.113726] [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: 09/08/2023] [Revised: 11/07/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023]
Abstract
Ovalbumin (OVA) has been considered as a nutrient carrier for bioactive, which has high nutrition value and multiple properties. Recently, proteins-phenolic acids composite delivery systems have received widespread attention. Therefore, this research aimed to investigate the interaction between OVA and cereal phenolic acids (CPA) to establish delivery systems for bioactive. Spectroscopy results have found that CPA generated complexes with OVA, causing the microenvironment changes of OVA. Ferulic acid (FA), p-coumaric acid (CA), vanillic acid (VA), syringic acid (SY), sinapic acid (SI), and protocatechuic acid (PA) not only quenched the intrinsic fluorescence of OVA, but also altered protein microenvironment. Further investigation showed these complexes were formed by static quenching mode, while hydrogen bond and hydrophobic interaction were dominant binding forces. Meanwhile, the interaction decreased α-helix contents and increased β-sheet contents, leading to conformational changes in OVA. Besides, OVA/CPA complexes displayed an increase in hydrophobicity with a reduce in free-SH. After combination with FA, SY, CA, VA, SI, PA, it was found that all formed complexes had superior solubility, emulsifying and antioxidant activities than native OVA. Among them, OVA-PA exhibited the highest emulsifying activity index and emulsion stability index values (36.4 ± 0.39 m2/g and 60.4 ± 0.94 min) and stronger antioxidant activities. Finally, the combination with phenolic acids further improved the digestion efficiency in vitro of OVA. The OVA-CPA complexes showed improved properties for excellent delivery systems. Overall, OVA-CPA complexes could be a good carrier for bioactive, which provided valuable avenues in target delivery system application.
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Affiliation(s)
- Qin Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China
| | - Yahui Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China
| | - Ying Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China
| | - Lezhen Dong
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China
| | - Yang Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China
| | - Lingyi Liu
- Department of Food Science and Technology, University of Nebraska-Lincoln, 68588, NE, USA.
| | - Mohamed A Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, 11562, Egypt
| | - Lianliang Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang, PR China.
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11
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Song YQ, Zhao Y, Yao G, Dong RS, Chen J. Heat treatment effect on whey protein-epigallocatechin gallate interaction: A fluorescence spectroscopic analysis. Food Chem X 2023; 20:100917. [PMID: 38144742 PMCID: PMC10739916 DOI: 10.1016/j.fochx.2023.100917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/20/2023] [Accepted: 09/30/2023] [Indexed: 12/26/2023] Open
Abstract
This study aimed to examine the interaction mechanism of polyphenol protein in a heat-treated aqueous solution system using epigallocatechin gallate (EGCG) and whey protein (WP) as raw materials. Further, we hypothesized the binding characteristics of these two compounds. The results were as follows: The quenching mechanism between WP and EGCG was characterized as static quenching. As the temperature increased, the binding constant and the binding force between EGCG and WP both increased. The number of binding sites (denoted as n) between WP and EGCG was approximately 1. Hence, WP provided a single site to bind to EGCG to form a complex. The main binding modes between WP and EGCG were hydrophobic and electrostatic interactions, and they were spontaneously combined into complexes (ΔG < 0). This study provided a basis for the interaction between WP and EGCG under different heating conditions and their combination mode.
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Affiliation(s)
- Yu-qi Song
- Department of Grass Research, Institute of Tropical Crop Genetic Resources, Chinese Academy of Tropical Agriculture Sciences, Haikou 571101, China
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Ministry of Education, One Health Institute, College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Ying Zhao
- Hainan Key Laboratory of Biology of Tropical Flowers and Trees Resources, Forestry Institute, Hainan University, Haikou 570228, China
| | - Guanglong Yao
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Ministry of Education, One Health Institute, College of Food Science and Technology, Hainan University, Haikou 570228, China
| | - Rong-shu Dong
- Department of Grass Research, Institute of Tropical Crop Genetic Resources, Chinese Academy of Tropical Agriculture Sciences, Haikou 571101, China
| | - Jian Chen
- Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Ministry of Education, One Health Institute, College of Food Science and Technology, Hainan University, Haikou 570228, China
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12
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Wróblewska B, Kuliga A, Wnorowska K. Bioactive Dairy-Fermented Products and Phenolic Compounds: Together or Apart. Molecules 2023; 28:8081. [PMID: 38138571 PMCID: PMC10746084 DOI: 10.3390/molecules28248081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
Fermented dairy products (e.g., yogurt, kefir, and buttermilk) are significant in the dairy industry. They are less immunoreactive than the raw materials from which they are derived. The attractiveness of these products is based on their bioactivity and properties that induce immune or anti-inflammatory processes. In the search for new solutions, plant raw materials with beneficial effects have been combined to multiply their effects or obtain new properties. Polyphenols (e.g., flavonoids, phenolic acids, lignans, and stilbenes) are present in fruit and vegetables, but also in coffee, tea, or wine. They reduce the risk of chronic diseases, such as cancer, diabetes, or inflammation. Hence, it is becoming valuable to combine dairy proteins with polyphenols, of which epigallocatechin-3-gallate (EGCG) and chlorogenic acid (CGA) show a particular predisposition to bind to milk proteins (e.g., α-lactalbumin β-lactoglobulin, αs1-casein, and κ-casein). Reducing the allergenicity of milk proteins by combining them with polyphenols is an essential issue. As potential 'metabolic prebiotics', they also contribute to stimulating the growth of beneficial bacteria and inhibiting pathogenic bacteria in the human gastrointestinal tract. In silico methods, mainly docking, assess the new structures of conjugates and the consequences of the interactions that are formed between proteins and polyphenols, as well as to predict their action in the body.
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Affiliation(s)
- Barbara Wróblewska
- Institute of Animal Reproduction and Food Research, Polish Academy of Science, 10-748 Olsztyn, Poland; (A.K.); (K.W.)
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13
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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.
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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.
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14
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Meng Y, Zhu H, Han L, Xu Z, Zou Y, Ma K, Li T. Non-covalent binding of whey protein isolate after ultrasound pretreatment to epigallocatechin gallate: Effects on immune response and gut microbiota in BALB/c mice. Int J Biol Macromol 2023; 245:125253. [PMID: 37302626 DOI: 10.1016/j.ijbiomac.2023.125253] [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: 03/22/2023] [Revised: 05/21/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
Cow's milk is one of the "big eight" most common allergenic foods, and β-lactoglobulin and α-Lactalbumin in whey protein are two major allergens of cow's milk protein. An effective strategy for reducing the allergenicity of whey protein is needed. In the present study, protein-EGCG complexes were obtained through non-covalent interactions between untreated or sonicated whey protein isolate (WPI) and epigallocatechin gallate (EGCG), and the allergenicity of complexes was assessed in vivo. The results showed that SWPI-EGCG complex possesses low allergenicity in BALB/c mice. As compared with untreated WPI, SWPI-EGCG complex had less effect on the body weight and organ indexes. Moreover, SWPI-EGCG complex could alleviate the WPI induced allergic reactions and intestinal damage of mice by decreasing the secretion of IgE, IgG, histamine, mMCP-1, modulating the balance of Th1/Th2 and Treg/Th17 response, and increasing the diversity of intestinal flora and the relative abundances of probiotic bacteria. These findings indicate that the interaction of sonicated WPI with EGCG could reduce the allergenicity of WPI, which could provide a new strategy for reducing food allergenicity.
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Affiliation(s)
- Yueyue Meng
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Huiyu Zhu
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Lingyu Han
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Zhe Xu
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Yu Zou
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Kun Ma
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China
| | - Tingting Li
- Key Laboratory of Biotechnology and Bioresources Utilization, Dalian Minzu University, Ministry of Education, Dalian, Liaoning 116029, China.
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15
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Fei X, Yan Y, Wang L, Huang Z, Gong D, Zhang G. Protocatechuic acid and gallic acid improve the emulsion and thermal stability of whey protein by covalent binding. Food Res Int 2023; 170:113000. [PMID: 37316070 DOI: 10.1016/j.foodres.2023.113000] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/15/2023] [Accepted: 05/16/2023] [Indexed: 06/16/2023]
Abstract
This study aimed to explore the impacts of gallic acid (GA)/protocatechuic acid (PA) on the structural and functional characteristics of whey proteins (WP) through covalent binding. To this purpose, the covalent complexes of WP-PA and WP-GA at different concentration gradients were prepared by the alkaline method. SDS-PAGE indicated that PA/GA was cross-linked by covalent bonds. The decreased contents of free amino and sulfhydryl groups suggested that WP formed covalent bonds with PA/GA by amino and sulfhydryl groups, and the structure of WP became slightly looser after covalent modification by PA/GA. When the concentration of GA was added up to 10 mM, the structure of WP was slightly loosened with a reduction of α-helix content by 2.3% and an increase in random coil content by 3.0%. The emulsion stability index of WP increased by 14.9 min after interaction with GA. Moreover, the binding of WP and 2-10 mM PA/GA increased the denaturation temperature by 1.95 to 19.87 °C, indicating the improved thermal stability of the PA/GA-WP covalent complex. Additionally, the antioxidant capacity of WP was increased with increasing GA/PA concentration. This work may offer worthful information for enhancing the functional properties of WP and the application of the PA/GA-WP covalent complexes in food emulsifiers.
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Affiliation(s)
- Xiaoyun Fei
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yuzhong Yan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Langhong Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; School of Food Science and Engineering, Foshan University, Foshan 528225, China.
| | - Zhaohua Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Deming Gong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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16
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Liu J, Song G, Zhou L, Yuan Y, Wang D, Yuan T, Li L, Yuan H, Xiao G, Gong J. Recent advances in the effect of ultrasound on the binding of protein−polyphenol complexes in foodstuff. FOOD FRONTIERS 2023. [DOI: 10.1002/fft2.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023] Open
Affiliation(s)
- Jiayuan Liu
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Gongshuai Song
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Like Zhou
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Yawen Yuan
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Danli Wang
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Tinglan Yuan
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Ling Li
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Haina Yuan
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Gongnian Xiao
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
| | - Jinyan Gong
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering Zhejiang University of Science and Technology Hangzhou China
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17
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Sun H, Sun Y, Tang X, Cui Y, Meng D, Zhang Y, Li K, Guo H, Chen H, Yang R. The interaction mechanism and the functionality of yeast protein with hydrophilic and hydrophobic bioactive molecules. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102448] [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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18
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Pi X, Liu J, Sun Y, Sun X, Sun Z, Cheng J, Guo M. Investigation of the differences in the effect of (-)-epigallocatechin gallate and proanthocyanidins on the functionality and allergenicity of soybean protein isolate. Food Chem X 2023; 17:100566. [PMID: 36845520 PMCID: PMC9945447 DOI: 10.1016/j.fochx.2023.100566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/24/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023] Open
Abstract
In this study, the differences in effects of (-)-epigallocatechin gallate (EGCG) and proanthocyanidins (PC) on the functionality and allergenicity of soybean protein isolate (SPI) were studied. SDS-PAGE demonstrated that SPI-PC conjugates exhibited more high-molecular-weight polymers (>180 kDa) than SPI-EGCG conjugates. Structural analysis showed that SPI-PC conjugates exhibited more disordered structures and protein-unfolding, improving the accessibility of PC to modify SPI, compared to SPI-EGCG conjugates. LC/MS-MS demonstrated that PC caused more modification of SPI and major soybean allergens than EGCG, resulting in a lower abundance of epitopes. The successful attachment of EGCG and PC to SPI significantly increased antioxidant capacity in conjugates. Furthermore, SPI-PC conjugates exhibited greater emulsifying activity and lower immunoglobulin E (IgE) binding capacity than SPI-EGCG conjugates, which was attributed to more disordered structure and protein-unfolding in SPI-PC conjugates. It is implied that proanthocyanidins may be promising compounds to interact with soybean proteins to produce functional and hypoallergenic foods.
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Affiliation(s)
- Xiaowen Pi
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Jiafei Liu
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yuxue Sun
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China,Key Laboratory of Soybean Biology of Chinese Education Ministry, Harbin, Heilongjiang 150030, China
| | - Xiaomeng Sun
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Zhigang Sun
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Jianjun Cheng
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China,Corresponding authors at: Northeast Agricultural University, No. 600, Changjiang Road, Harbin, China.
| | - Mingruo Guo
- Northeast Agricultural University, Harbin, Heilongjiang 150030, China,Department of Nutrition and Food Science, College of Agriculture and Life Sciences, University of Vermont, Burlington 05405, United States,Corresponding authors at: Northeast Agricultural University, No. 600, Changjiang Road, Harbin, China.
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19
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Characterization of the improved functionality in soybean protein-proanthocyanidins conjugates prepared by the alkali treatment. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108107] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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20
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Protein modification, IgE binding capacity, and functional properties of soybean protein upon conjugation with polyphenols. Food Chem 2022; 405:134820. [DOI: 10.1016/j.foodchem.2022.134820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
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21
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Luo X, Lu J, Wu Y, Duan W, An F, Huang Q, Chen L, Wei S. Reducing the potential allergenicity of amandin through binding to (-)-epigallocatechin gallate. Food Chem X 2022; 16:100482. [PMID: 36304206 PMCID: PMC9594120 DOI: 10.1016/j.fochx.2022.100482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/09/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022] Open
Abstract
Amandin (AMP) binding to EGCG changed protein structure. AMP bound to EGCG primarily through glutamate and cysteine residues. Alkaline and free radical methods dented AMP allergenic, but the principles differed.
Potential allergenicity of amandin was reduced by binding amandin with (−)-epigallocatechin gallate (EGCG) via alkaline, free radical, ultrasound-assisted alkaline, and ultrasound-assisted free radical methods. These results of total phenol content, free sulfhydryl group, free amino group, surface hydrophobicity, and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) indicated that amandin might be covalently bound to EGCG through reactive groups such as sulfhydryl and amino groups, or non-covalently through hydrophobic interactions. Fourier transformed infrared (FT-IR) spectroscopy and fluorescence spectroscopy revealed structural changes of amandin-EGCG conjugate, which also caused significant reduction in potential allergenicity of amandin. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) found that amandin bound to EGCG mainly through cysteine and glutamate residues, and linear epitope for amandin was reduced. This provided a new method and theoretical basis of hypoallergenic almond food.
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Affiliation(s)
- Xin Luo
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China,College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Jiankang Lu
- Production & Construction Group Key Laboratory of Special Agricultural Products Further Processing in Southern Xinjiang, Xinjiang Province, 843300, China
| | - Yongyan Wu
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China,College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Wenshan Duan
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China,College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Fengping An
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Qun Huang
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China,College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China,Institute for Egg Science and Technology, School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China,Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, Guizhou Medical University, Guiyang 550004, Guizhou, China,Corresponding authors at: Guizhou Medical University, Gui 'an New District, Guizhou Province 550025, China.
| | - Lei Chen
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China,Corresponding authors at: Guizhou Medical University, Gui 'an New District, Guizhou Province 550025, China.
| | - Shaofeng Wei
- School of Public Health, The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, China,Corresponding authors at: Guizhou Medical University, Gui 'an New District, Guizhou Province 550025, China.
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22
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Effect of proanthocyanidins on protein composition, conformational structure, IgE binding capacities and functional properties in soybean protein. Int J Biol Macromol 2022; 224:881-892. [DOI: 10.1016/j.ijbiomac.2022.10.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/12/2022] [Accepted: 10/20/2022] [Indexed: 11/05/2022]
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23
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Chen Y, Cao X, Chen Q, Ye X, Zeng Q, Yuan Y, Dong L, Huang F, Su D. Hydrogel With the Network Structure Fabricated by Anthocyanin‐Gelatin Crosslinking and Improved Mineral Encapsulation Ability. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.16057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yun Chen
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Xuejiao Cao
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Qiqi Chen
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Xueying Ye
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Qingzhu Zeng
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Yang Yuan
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
| | - Lihong Dong
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences / Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs / Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Fei Huang
- Sericultural & Agri‐Food Research Institute Guangdong Academy of Agricultural Sciences / Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs / Guangdong Key Laboratory of Agricultural Products Processing Guangzhou 510610 China
| | - Dongxiao Su
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou Guangdong 510006 China
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24
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He W, Guo F, Jiang Y, Liu X, Chen J, Zeng M, Wang Z, Qin F, Li W, He Z. Enzymatic hydrolysates of soy protein promote the physicochemical stability of mulberry anthocyanin extracts in food processing. Food Chem 2022; 386:132811. [PMID: 35366632 DOI: 10.1016/j.foodchem.2022.132811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 02/27/2022] [Accepted: 03/23/2022] [Indexed: 12/15/2022]
Abstract
Soy protein papain hydrolysate (SPAH) and soy protein pepsin hydrolysate (SPEH) were used as protective agents for mulberry anthocyanin extracts (MAEs) to inhibit its color fading and enhance the anthocyanin stability at pH 6.3. Both SPAH and SPEH showed a significant protective effect on total anthocyanins in MAEs solutions. 1.0 mg/mL of SPEH presented the best protective effect on MAEs by increasing its half-life from 1.8 to 5.7 days. SPAH/SPEH-cyaniding-3-O-glucoside (C3G) interactions were investigated at pH 6.3 by fluorescence, Fourier-transform infrared spectroscopy (FT-IR), and Circular Dichroism (CD). Their association was mainly driven by hydrophobic interactions, and SPEH showed a higher binding affinity for C3G than SPAH, with a KA value of 2.62 × 105 M-1 at 300 K. The second structures of SPAH and SPEH were altered by C3G, with a decrease in the β-sheets and an increase in the turns and random coils.
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Affiliation(s)
- Wenjia He
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, Fujian 362000, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Fengxian Guo
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, Fujian 362000, China
| | - Yuting Jiang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xuwei Liu
- College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Jie Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Maomao Zeng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Zhaojun Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Fang Qin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Weiwei Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, Jiangsu 210023, China.
| | - Zhiyong He
- Fujian Province Key Laboratory for the Development of Bioactive Material from Marine Algae, Quanzhou Normal University, Quanzhou, Fujian 362000, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
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Sun F, Li B, Guo Y, Wang Y, Cheng T, Yang Q, Liu J, Fan Z, Guo Z, Wang Z. Effects of ultrasonic pretreatment of soybean protein isolate on the binding efficiency, structural changes, and bioavailability of a protein-luteolin nanodelivery system. ULTRASONICS SONOCHEMISTRY 2022; 88:106075. [PMID: 35753139 PMCID: PMC9240864 DOI: 10.1016/j.ultsonch.2022.106075] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/08/2022] [Accepted: 06/17/2022] [Indexed: 05/09/2023]
Abstract
The combination of protein and flavonoids can ameliorate the problems of poor solubility and stability of flavonoids in utilization. In this study, soybean protein isolate pretreated by ultrasonication was selected as the embedding wall material, which was combined with luteolin to form a soybean protein isolate-luteolin nanodelivery system. The complexation effect and structural changes of soybean protein isolate (SPI) and ultrasonic pretreatment (100 W, 200 W, 300 W, 400 W and 500 W) of soybean protein isolate with luteolin (LUT) were compared, as well as the changes in digestion characteristics and antioxidant activity in vitro. The results showed that proper ultrasonic pretreatment increased the encapsulation efficacy, loading amount and solubility to 89.72%, 2.51 μg/mg and 90.56%. Appropriate ultrasonic pretreatment could make the particle size and the absolute value of ζ-potential of SPI-LUT nanodelivery system decrease and increase respectively. The FTIR and fluorescence results show that appropriate ultrasonic pretreatment could reduce α-helix, β-sheet and random coil, increase β-turn, and enhance fluorescence quenching. The thermodynamic evaluation results indicate that the ΔG < 0, ΔH > 0 and ΔS > 0, so the interaction of LUT with the protein was spontaneous and mostly governed by hydrophobic interactions. The XRD results show that the LUT was amorphous and completely wrapped by SPI. The DSC results showed that ultrasonic pretreatment could improve the thermal stability of SPI-LUT nanodelivery system to 112.66 ± 1.69 °C. Digestion and antioxidant analysis showed that appropriate ultrasonic pretreatment increased the LUT release rate and DPPH clearance rate of SPI-LUT nanodelivery system to 89.40 % and 55.63 % respectively. This study is a preliminary source for the construction of an SPI nanodelivery system with ultrasound pretreatment and the deep processing and utilization of fat-soluble active substances.
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Affiliation(s)
- Fuwei Sun
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Bailiang Li
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yanan Guo
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yichang Wang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Tianfu Cheng
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qingyu Yang
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, China
| | - Jun Liu
- Kedong Yuwang Soybean Protein Food Co., Ltd, Qiqihaer, Heilongjiang 161000, China; Shandong Yuwang Industrial Co., Ltd, Dezhou, Shandong 251299, China
| | - Zhijun Fan
- Heilongjiang Beidahuang Green and Healthy Food Co., Ltd, Jiamusi, Heilongjiang 154007, China
| | - Zengwang Guo
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Zhongjiang Wang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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Ren Y, Liu T, Liu H, Zhu Y, Qi X, Liu X, Zhao Y, Wu Y, Zhang N, Liu M. Functional improvement of (−)-epicatechin gallate and piceatannol through combined binding to β-lactoglobulin: Enhanced effect of heat treatment and nanoencapsulation. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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27
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Xie Y, Gong T, Liu H, Fan Z, Zhaojun C, Liu X. In Vitro and In Vivo Digestive Fate and Antioxidant Activities of Polyphenols from Hulless Barley: Impact of Various Thermal Processing Methods and β-Glucan. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7683-7694. [PMID: 35708505 DOI: 10.1021/acs.jafc.2c01784] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The unfavorable bioaccessibility of polyphenols in cereal-based food limits their physiological functions as most polyphenols bind spontaneously to the cell-wall polysaccharides. Effects of β-glucan and various thermal processing methods including flaking and roasting, stir-frying, steam-flash explosion, and popping expansion on the bioaccessibility and antioxidant properties of polyphenols from hulless barley in vitro and in vivo were investigated in this study. The bioaccessibility and antioxidant capacity (via DPPH, ·OH, and ·O2- free radical scavenging, TAC, and FRAP assays) of polyphenol extracts from hulless barley treated by steam-flash explosion and popping expansion increased significantly before and after in vitro digestion compared to those from raw and other processed hulless barley. Further, the total polyphenol content of hulless barley elevated dramatically following hydrolyzing with β-glucanase, which was positively correlated with the antioxidant activity. Additionally, the hulless barley treated with steam-flash explosion exhibited potent antidiabetic effects and antioxidant capacity (via TAC, SOD, GSH-Px, CAT, and MDA assays) in type 2 diabetic rats. The absorption of individual phenolic compounds in the alimentary canal of rats was impacted obviously by thermal processing. This study provides new insights into enhancing the bioaccessibility of the polyphenols and suggests that β-glucans interact with polyphenols and proteins in the hulless barley matrix.
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Affiliation(s)
- Yong Xie
- School of Food Science, Southwest University, Chongqing 400715, China
- School of Materials and Chemical Engineering, Tongren University, Tongren 554300, China
| | - Ting Gong
- Chongqing Medical and Pharmaceutical College, Chongqing 401331, China
| | - Haibo Liu
- School of Food Science, Southwest University, Chongqing 400715, China
| | - Zhiping Fan
- Centre for Food and Drug Testing of Yibin City, Yibin 644000, China
| | - Chen Zhaojun
- School of Food Science, Southwest University, Chongqing 400715, China
| | - Xiong Liu
- School of Food Science, Southwest University, Chongqing 400715, China
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28
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Chevalier RC, Gomes A, Cunha RL. Role of aqueous phase composition and hydrophilic emulsifier type on the stability of W/O/W emulsions. Food Res Int 2022; 156:111123. [DOI: 10.1016/j.foodres.2022.111123] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 11/04/2022]
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29
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Pi X, Sun Y, Cheng J, Fu G, Guo M. A review on polyphenols and their potential application to reduce food allergenicity. Crit Rev Food Sci Nutr 2022; 63:10014-10031. [PMID: 35603705 DOI: 10.1080/10408398.2022.2078273] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This review summarized recent studies about the effects of polyphenols on the allergenicity of allergenic proteins, involving epigallocatechin gallate (EGCG), caffeic acid, chlorogenic acid, proanthocyanidins, quercetin, ferulic acid and rosmarinic acid, etc. Besides, the mechanism of polyphenols for reducing allergenicity was discussed and concluded. It was found that polyphenols could noncovalently (mainly hydrophobic interactions and hydrogen bonding) and covalently (mainly alkaline, free-radical grafting, and enzymatic method) react with allergens to induce the structural changes, resulting in the masking or/and destruction of epitopes and the reduction of allergenicity. Oral administration in murine models showed that the allergic reaction might be suppressed by regulating immune cell function, changing the levels of cytokines, suppressing of MAPK, NF-κb and allergens-presentation pathway and improving intestine function, etc. The outcome of reduced allergenicity and suppressed allergic reaction was affected by many factors such as polyphenol types, polyphenol concentration, allergen types, pH, oral timing and dosage. Moreover, the physicochemical and functional properties of allergenic proteins were improved after treatment with polyphenols. Therefore, polyphenols have the potential to produce hypoallergenic food. Further studies should focus on active concentrations and bioavailability of polyphenols, confirming optimal intake and hypoallergenic of polyphenols based on clinical trials.
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Affiliation(s)
- Xiaowen Pi
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yuxue Sun
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Guiming Fu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang, Jiangxi, China
| | - Mingruo Guo
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang, China
- Department of Nutrition and Food Sciences, College of Agriculture and Life Sciences, University of Vermont, Burlington, United States
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30
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Santos MA, Okuro PK, Fonseca LR, Cunha RL. Protein-based colloidal structures tailoring techno- and bio-functionality of emulsions. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107384] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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31
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Makori SI, Mu TH, Sun HN. Functionalization of sweet potato leaf polyphenols by nanostructured composite β-lactoglobulin particles from molecular level complexations: A review. Food Chem 2022; 372:131304. [PMID: 34655825 DOI: 10.1016/j.foodchem.2021.131304] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/25/2021] [Accepted: 09/30/2021] [Indexed: 12/18/2022]
Abstract
Sweet potato leaf polyphenols (SPLPs) have shown potential health benefits in the food and pharmaceutical industries. Nowadays, consumption of SPLPs from animal feeds to foodstuff is becoming a trend worldwide. However, the application of SPLPs is limited by their low bioavailability and stability. β-lactoglobulin (βlg), a highly regarded whey protein, can interact with SPLPs at the molecular level to form reversible or irreversible nanocomplexes (NCs). Consequently, the functional properties and final quality of SPLPs are directly modified. In this review, the composition and structure of SPLPs and βlg, as well as methods of molecular complexation and mechanisms of formation of SPLPsβlgNCs, are revisited. The modified functionalities of SPLPsβlgNCs, especially protein conformational structures, antioxidant activity, solubility, thermal stability, emulsifying, and gelling properties including allergenic potential, digestibility, and practical applications are discussed for SPLPs future development.
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Affiliation(s)
- Shadrack Isaboke Makori
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, P.O. Box 5109, Beijing 100193, China; Food Technology Division, Kenya Industrial Research and Development Institute (KIRDI), P.O. Box 30650, GPO, Nairobi, Kenya
| | - Tai-Hua Mu
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, P.O. Box 5109, Beijing 100193, China.
| | - Hong-Nan Sun
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, P.O. Box 5109, Beijing 100193, China.
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32
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Rocchetti G, Gregorio RP, Lorenzo JM, Barba FJ, Oliveira PG, Prieto MA, Simal-Gandara J, Mosele JI, Motilva MJ, Tomas M, Patrone V, Capanoglu E, Lucini L. Functional implications of bound phenolic compounds and phenolics-food interaction: A review. Compr Rev Food Sci Food Saf 2022; 21:811-842. [PMID: 35150191 DOI: 10.1111/1541-4337.12921] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 10/18/2021] [Accepted: 01/10/2022] [Indexed: 12/14/2022]
Abstract
Sizeable scientific evidence indicates the health benefits related to phenolic compounds and dietary fiber. Various phenolic compounds-rich foods or ingredients are also rich in dietary fiber, and these two health components may interrelate via noncovalent (reversible) and covalent (mostly irreversible) interactions. Notwithstanding, these interactions are responsible for the carrier effect ascribed to fiber toward the digestive system and can modulate the bioaccessibility of phenolics, thus shaping health-promoting effects in vivo. On this basis, the present review focuses on the nature, occurrence, and implications of the interactions between phenolics and food components. Covalent and noncovalent interactions are presented, their occurrence discussed, and the effect of food processing introduced. Once reaching the large intestine, fiber-bound phenolics undergo an intense transformation by the microbial community therein, encompassing reactions such as deglycosylation, dehydroxylation, α- and β-oxidation, dehydrogenation, demethylation, decarboxylation, C-ring fission, and cleavage to lower molecular weight phenolics. Comparatively less information is still available on the consequences on gut microbiota. So far, the very most of the information on the ability of bound phenolics to modulate gut microbiota relates to in vitro models and single strains in culture medium. Despite offering promising information, such models provide limited information about the effect on gut microbes, and future research is deemed in this field.
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Affiliation(s)
- Gabriele Rocchetti
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Rosa Perez Gregorio
- REQUIMTE/LAQV, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Jose M Lorenzo
- Centro Tecnológico de la Carne de Galicia, Rúa Galicia 4, Parque Tecnológico de Galicia, Ourense, Spain.,Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, Ourense, Spain
| | - Francisco J Barba
- Nutrition and Food Science Area, Preventive Medicine and Public Health, Food Sciences, Toxicology and Forensic Medicine Department, Faculty of Pharmacy, Universitat de València, Burjassot, Spain
| | - Paula García Oliveira
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Miguel A Prieto
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain
| | - Juana I Mosele
- Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.,CONICET-Universidad de Buenos Aires (IBIMOL), Buenos Aires, Argentina
| | - Maria-Jose Motilva
- Institute of Grapevine and Wine Sciences (ICVV), Spanish National Research Council (CSIC)-University of La Rioja-Government of La Rioja, Logroño, Spain
| | - Merve Tomas
- Department of Food Engineering, Faculty of Engineering and Natural Sciences, Istanbul Sabahattin Zaim University, Halkali, Turkey
| | - Vania Patrone
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Turkey
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
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33
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Bai Y, Chen X, Qi H. Characterization and bioactivity of phlorotannin loaded protein-polysaccharide nanocomplexes. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112998] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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34
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Tea polyphenols on emulsifying and antioxidant properties of egg white protein at acidic and neutral pH conditions. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112537] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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35
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Gonçalves Bortolini D, Windson Isidoro Haminiuk C, Cristina Pedro A, de Andrade Arruda Fernandes I, Maria Maciel G. Processing, chemical signature and food industry applications of Camellia sinensis teas: An overview. Food Chem X 2021; 12:100160. [PMID: 34825170 PMCID: PMC8605308 DOI: 10.1016/j.fochx.2021.100160] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/27/2021] [Accepted: 11/11/2021] [Indexed: 01/06/2023] Open
Abstract
The plant Camellia sinensis is the source of different teas (white, green, yellow, oolong, black, and pu-ehr) consumed worldwide, which are classified by the oxidation degree of their bioactive compounds. The sensory (taste, aroma, and body of the drink) and functional properties of teas are affected by the amount of methylxanthines (caffeine and theobromine), amino acids (l-theanine) and reducing sugars in their composition. Additionally, flavan-3-ols, mainly characterized by epicatechins, catechins, and their derivatives, represent on average, 60% of the bioactive compounds in teas. These secondary metabolites from teas are widely recognized for their antioxidant, anti-cancer, and anti-inflammatory properties. Thus, Camellia sinensis extracts and their isolated compounds have been increasingly used by the food industry. However, bioactive compounds are very susceptible to the oxidation caused by processing and degradation under physiological conditions of gastrointestinal digestion. In this context, new approaches/technologies have been developed for the preservation of these compounds. This review presents the main stages involved in production of Camellia sinensis teas following a description of their main bioactive compounds, biological properties, stability and bioaccessibility. Besides, and updated view of Camellia sinensis teas in the field of food science and technology was provided by focusing on novel findings and innovations published in scientific literature over the last five years.
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Affiliation(s)
- Débora Gonçalves Bortolini
- Programa de Pós-Graduação em Engenharia de Alimentos (PPGEAL), Universidade Federal do Paraná (UFPR), CEP (81531-980) Curitiba, Paraná, Brazil
| | | | - Alessandra Cristina Pedro
- Programa de Pós-Graduação em Engenharia de Alimentos (PPGEAL), Universidade Federal do Paraná (UFPR), CEP (81531-980) Curitiba, Paraná, Brazil
| | - Isabela de Andrade Arruda Fernandes
- Programa de Pós-Graduação em Engenharia de Alimentos (PPGEAL), Universidade Federal do Paraná (UFPR), CEP (81531-980) Curitiba, Paraná, Brazil
| | - Giselle Maria Maciel
- Laboratório de Biotecnologia, Universidade Tecnológica Federal do Paraná (UTFPR), CEP (81280-340) Curitiba, Paraná, Brazil
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Cianciosi D, Forbes-Hernández TY, Regolo L, Alvarez-Suarez JM, Navarro-Hortal MD, Xiao J, Quiles JL, Battino M, Giampieri F. The reciprocal interaction between polyphenols and other dietary compounds: Impact on bioavailability, antioxidant capacity and other physico-chemical and nutritional parameters. Food Chem 2021; 375:131904. [PMID: 34963083 DOI: 10.1016/j.foodchem.2021.131904] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 02/08/2023]
Abstract
Polyphenols are plant secondary metabolites, whose biological activity has been widely demonstrated. However, the research in this field is a bit reductive, as very frequently the effect of individual compound is investigated in different experimental models, neglecting more complex, but common, relationships that are established in the diet. This review summarizes the data that highlighted the interaction between polyphenols and other food components, especially macro- (lipids, proteins, carbohydrates and fibers) and micronutrients (minerals, vitamins and organic pigments), paying particular attention on their bioavailability, antioxidant capacity and chemical, physical, organoleptic and nutritional characteristics. The topic of food interaction has yet to be extensively studied because a greater knowledge of the food chemistry behind these interactions and the variables that modify their effects, could offer innovations and improvements in various fields ranging from organoleptic, nutritional to health and economic field.
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Affiliation(s)
- Danila Cianciosi
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona 60131, Italy
| | - Tamara Y Forbes-Hernández
- Department of Physiology, Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Centre, University of Granada, Granada 1800, Spain
| | - Lucia Regolo
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona 60131, Italy
| | - José M Alvarez-Suarez
- Departamento de Ingeniería en Alimentos. Colegio de Ciencias e Ingenierías. Universidad San Francisco de Quito, Quito, Ecuador 170157, Ecuador; Instituto de Investigaciones en Biomedicina iBioMed, Universidad San Francisco de Quito, Quito, Ecuador; King Fahd Medical Research Center, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
| | - Maria Dolores Navarro-Hortal
- Department of Physiology, Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Centre, University of Granada, Granada 1800, Spain
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, Ourense, Spain; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, China
| | - José L Quiles
- Department of Physiology, Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Centre, University of Granada, Granada 1800, Spain; Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Santander 39011, Spain
| | - Maurizio Battino
- Department of Clinical Sciences, Polytechnic University of Marche, Ancona 60131, Italy; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, China.
| | - Francesca Giampieri
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Santander 39011, Spain; Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.
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Meng Y, Liang Z, Zhang C, Hao S, Han H, Du P, Li A, Shao H, Li C, Liu L. Ultrasonic modification of whey protein isolate: Implications for the structural and functional properties. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112272] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Interaction between β-lactoglobulin and chlorogenic acid and its effect on antioxidant activity and thermal stability. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.107059] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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39
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Du YN, Han JR, Yin ZK, Yan JN, Jiang XY, Wu HT. Conjugation of (-)-epigallocatechin-3-gallate and protein isolate from large yellow croaker (Pseudosciaena crocea) roe: improvement of antioxidant activity and structural characteristics. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:5948-5955. [PMID: 33838054 DOI: 10.1002/jsfa.11247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 03/27/2021] [Accepted: 04/10/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Large yellow croaker (Pseudosciaena crocea) roe is the main by-product in the processing of large yellow croaker. Previous studies have found that its protein isolates are composed of vitellogenin, as well as vitellogenin B and C, having good functional properties. (-)-Epigallocatechin-3-gallate (EGCG) is a natural antioxidant component that can be combined with protein to improve antioxidant activity and structural characteristics of protein. RESULTS EGCG was bound with the P. crocea roe protein isolate (pcRPI) by the free radical method to prepare the conjugate. The formation of pcRPI-EGCG conjugates was confirmed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and gel permeation chromatography, which showed that the calculated weight-average molar masses of native-pcRPI and pcRPI-EGCG conjugates were 86.9 and 215.3 kDa, respectively. The results of fluorescence, ultraviolet, circular and infrared spectra indicated that the conjugation of EGCG with native-pcRPI changed the secondary and tertiary structure of native-pcRPI. The pcRPI-EGCG conjugates exhibited higher thermal stability than native-pcRPI. The radical scavenging and reducing power of native-pcRPI were increased by 2.0-2.5- and 1.4-fold, respectively, after the EGCG-grafting reaction. CONCLUSION These results indicate that the binding of pcRPI and EGCG effectively improved the antioxidant properties and structural characteristics of the pcRPI. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Yi-Nan Du
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Jia-Run Han
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Zhi-Kang Yin
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Jia-Nan Yan
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Xin-Yu Jiang
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Hai-Tao Wu
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
- National Engineering Research Center of Seafood, Dalian, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian, China
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Zhang Q, Cheng Z, Chen R, Wang Y, Miao S, Li Z, Wang S, Fu L. Covalent and non-covalent interactions of cyanidin-3- O-glucoside with milk proteins revealed modifications in protein conformational structures, digestibility, and allergenic characteristics. Food Funct 2021; 12:10107-10120. [PMID: 34522929 DOI: 10.1039/d1fo01946e] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Currently, there is a need to explore the effects of different types of protein-anthocyanin complexations, as well as the possible changes in the nutrition and allergenicity of the formed complexes. Here, we systematically investigated the covalent and non-covalent interactions between cyanidin-3-O-glucoside (C3G) and two major milk proteins, α-casein (α-CN) and β-lactoglobulin (β-LG). Fluorescence quenching data showed that, under non-covalent conditions, C3G quenched the fluorescence of the two proteins via a static process, with the interaction forces being revealed; for covalent products, decreased fluorescence intensities were observed with red shifts in the λmax. Multiple spectroscopic analyses implied that C3G-addition induced protein structural unfolding through transitions between the random coil and ordered secondary components. With a two-stage simulated gastrointestinal (GI) digestion model, it was seen that covalent complexes, not their non-covalent counterparts, showed reduced protein digestibility, ascribed to structural changes resulting in the unavailability of enzyme cleaving sites. The GI digests displayed prominent 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation-scavenging abilities (3.8-11.1 mM Trolox equivalents per mL digest), in contrast to the markedly reduced 1,1-diphenyl-2-picrylhydrazyl radical-scavenging capacities. Additionally, covalent protein-C3G complexes, but not their non-covalent counterparts, showed lower IgE-binding levels in comparison to the native control. This study provides new understanding for the development of anthocyanin-milk protein systems as functional ingredients with health-beneficial properties.
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Affiliation(s)
- Qiaozhi Zhang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, P.R. China.
| | - Zhouzhou Cheng
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, P.R. China.
| | - Ruyan Chen
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, P.R. China.
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, P.R. China.
| | - Song Miao
- Department of Food Chemistry and Technology, Teagasc Food Research Centre, Moorepark, Fermoy, Co. Cork, Ireland
| | - Zhenxing Li
- College of Food Science and Engineering, Food Safety Laboratory, Ocean University of China, Qingdao, 266003, P.R. China
| | - Shunyu Wang
- Zhejiang Li Zi Yuan Food Co., LTD, Jinhua, 321031, P.R. China
| | - Linglin Fu
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, P.R. China.
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41
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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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42
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Zhang Q, Li H, Cen C, Zhang J, Wang S, Wang Y, Fu L. Ultrasonic pre-treatment modifies the pH-dependent molecular interactions between β-lactoglobulin and dietary phenolics: Conformational structures and interfacial properties. ULTRASONICS SONOCHEMISTRY 2021; 75:105612. [PMID: 34098127 PMCID: PMC8190473 DOI: 10.1016/j.ultsonch.2021.105612] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 05/27/2021] [Indexed: 05/13/2023]
Abstract
There is a need to understand the ultrasound-induced changes in the interactions between proteins and phenolic compounds at different pH. This study systematically explored the role of high-intensity ultrasound pre-treatment on the binding mechanisms of β-lactoglobulin (β-LG) to two common phenolic compounds, i.e., (-)-epigallocatechin-3-gallate (EGCG) and chlorogenic acid (CA) at neutral and acidic pH (pH 7.2 and 2.4). Tryptophan fluorescence revealed that compared to proteins sonicated at 20% and 50% amplitudes, 35%-amplitude ultrasound pre-treatment (ULG-35) strengthened the binding affinities of EGCG/CA to β-LG without altering the main interaction force. After phenolic addition, ULG-35 displayed a similar but a greater extent of protein secondary and tertiary structural changes than the native protein, ascribed to the ultrasound-driven hydrophobic stacking among interacted molecules. The dominant form of β-LG (dimer/monomer) played a crucial role in the conformational and interfacial properties of complexes, which can be explained by the distinct binding sites at different pH as unveiled by molecular docking. Combining pre-ultrasound with EGCG interaction notably increased the foaming and emulsifying properties of β-LG, providing a feasible way for the modification of bovine whey proteins. These results shed light on the understanding of protein-phenolic non-covalent binding under ultrasound and help to develop complex systems with desired functionality and delivery.
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Affiliation(s)
- Qiaozhi Zhang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Huatao Li
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Congnan Cen
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Jie Zhang
- Food Safety Institute, Science and Technology Research Center of China Customs, Beijing 100026, PR China
| | - Shunyu Wang
- Zhejiang Liziyuan Food Co., LTD, Jinhua 321031, PR China
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China
| | - Linglin Fu
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, PR China.
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43
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Baba WN, McClements DJ, Maqsood S. Whey protein-polyphenol conjugates and complexes: Production, characterization, and applications. Food Chem 2021; 365:130455. [PMID: 34237568 DOI: 10.1016/j.foodchem.2021.130455] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/31/2021] [Accepted: 06/22/2021] [Indexed: 02/04/2023]
Abstract
Whey proteins are widely used as functional ingredients in various food applications owing to their emulsifying, foaming, and gelling properties. However, their functional attributes are limited in some applications because of the dependence of their performance on pH, mineral levels, and temperature. Several approaches have been investigated to enhance the functional performance of whey proteins by interacting them with polyphenols via covalent bonds (conjugates) or non-covalent bonds (complexes). The interaction of the polyphenols to the whey proteins alters their molecular characteristics, techno-functional attributes, and biological properties. Analytical methods for characterizing the properties of whey protein-polyphenol complexes and conjugates are highlighted, and a variety of potential applications within the food industry are discussed, including as antioxidants, emulsifiers, and foaming agents. Finally, areas for future research are highlighted.
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Affiliation(s)
- Waqas N Baba
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain 15551, United Arab Emirates.
| | | | - Sajid Maqsood
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain 15551, United Arab Emirates.
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44
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Li X, Li M, Zhang T, McClements DJ, Liu X, Wu X, Liu F. Enzymatic and Nonenzymatic Conjugates of Lactoferrin and (-)-Epigallocatechin Gallate: Formation, Structure, Functionality, and Allergenicity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6291-6302. [PMID: 34033464 DOI: 10.1021/acs.jafc.1c01167] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The impact of covalent attachment of (-)-epigallocatechin gallate (EGCG) to lactoferrin (LF) on the structure, morphology, functionality, and allergenicity of the protein was studied. These polyphenol-protein conjugates were formed using various enzymatic (laccase- and tyrosinase-catalyzed oxidation) and nonenzymatic (free radical grafting and alkali treatment) methods. The preparation conditions for forming the enzymatic conjugates were optimized by exploring the influence of order-of-addition effects: protein, polyphenols, and enzymes. The total phenol content of the LF-EGCG conjugates was quantified using the Folin-Ciocalteu method. The nature of the conjugates formed was determined using sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and Fourier transform infrared (FTIR) spectroscopy analyses. These studies showed that enzymatic cross-linking was a highly effective means of forming LF-EGCG conjugates. Analysis of these conjugates using various spectroscopic methods showed that conjugation to EGCG changed the molecular structure of LF. Atomic force microscopy showed that the four covalent cross-linking methods affected the size and morphology of these LF-EGCG conjugates formed. The antioxidant activity and emulsifying stability of LF were significantly improved by conjugation to EGCG. Finally, an enzyme-linked immunosorbent assay (ELISA) and a western blot assay indicated that conjugation of EGCG reduced the binding capacity of LF to immunoglobulin E (IgE) and immunoglobulin G (IgG), which is consistent with a decrease in allergenicity. Overall, this study suggests that LF-EGCG conjugates formed using enzymatic or nonenzymatic methods have potential applications as functional ingredients in foods.
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Affiliation(s)
- Xueqi Li
- College of Food Science and Engineering, Northwest A&F University, No. 28 Xi-nong Road, Yangling, Xianyang 712100, China
| | - Moting Li
- College of Food Science and Engineering, Northwest A&F University, No. 28 Xi-nong Road, Yangling, Xianyang 712100, China
| | - Tingting Zhang
- School of Medicine, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - David Julian McClements
- Department of Food Science, University of Massachusetts, Amherst, Amherst, Massachusetts 01003, United States
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, No. 28 Xi-nong Road, Yangling, Xianyang 712100, China
| | - Xuli Wu
- School of Medicine, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Fuguo Liu
- College of Food Science and Engineering, Northwest A&F University, No. 28 Xi-nong Road, Yangling, Xianyang 712100, China
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45
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Hazrati Z, Madadlou A. Gelation by bioactives: Characteristics of the cold-set whey protein gels made using gallic acid. Int Dairy J 2021. [DOI: 10.1016/j.idairyj.2020.104952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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46
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Yu X, Li J, Yang M, Chen C, Munir S, You J, Yin T, Liu R, Xiong S, Hu Y. Role of epigallocatechin gallate in collagen hydrogels modification based on physicochemical characterization and molecular docking. Food Chem 2021; 360:130068. [PMID: 34029925 DOI: 10.1016/j.foodchem.2021.130068] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 04/23/2021] [Accepted: 05/09/2021] [Indexed: 12/16/2022]
Abstract
Collagen Type I derived from fish is mainly limited by its poor physicochemical properties for further applications. In this study, we developed epigallocatechin gallate (EGCG) cross-linked collagen hydrogels (EC hydrogels) to realize physicochemical improvements, basing on the interaction mechanism between collagen and EGCG. The integrity of collagen framework with slight secondary structure change in the presence of EGCG was confirmed. The stronger stability of collagen fibrils was proved by slower swelling ratio, declined enzymatic degradation, improved thermal analysis and mechanical test due to EGCG modification. To illustrate the potential mechanism between collagen and EGCG, molecular docking was used to identify both covalent (CN bond, between lysine of collagen and C2-ring B of EGCG) and non-covalent bonds (hydrogen bond and hydrophobic interaction) within in EC hydrogel. Taken together, this work would offer some insights into the further study about the interaction between EGCG and collagen.
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Affiliation(s)
- Xiaoyue Yu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Jinling Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Mingtao Yang
- College of Chemistry and Bioengineering, Yichun University, Yichun 336000, PR China
| | - Cheng Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Sadia Munir
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Juan You
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Tao Yin
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Ru Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Shanbai Xiong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China
| | - Yang Hu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; The Sub Center (Wuhan) of National Technology and R&D of Staple Freshwater Fish Processing, Wuhan 430070, PR China.
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47
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Wu G, Hui X, Gong X, Tran KN, Stipkovits L, Mohan MS, Brennan MA, Brennan CS. Functionalization of bovine whey proteins by dietary phenolics from molecular-level fabrications and mixture-level combinations. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.072] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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48
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The interaction mechanism of β-casein with oligomeric proanthocyanidins and its effect on proanthocyanidin bioaccessibility. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106485] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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49
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Conformational changes and functional properties of whey protein isolate-polyphenol complexes formed by non-covalent interaction. Food Chem 2021; 364:129622. [PMID: 34175622 DOI: 10.1016/j.foodchem.2021.129622] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/20/2021] [Accepted: 03/13/2021] [Indexed: 11/22/2022]
Abstract
The present study was conducted to evaluate the non-ovalent modifications of whey protein isolate (WPI) with gallic acid (GA), chlorogenic acid (CA) and epigallocatechin gallate (EGCG). The structural and functional properties of WPI before and after binding with GA, CA and EGCG were investigated. Results showed that free sulfhydryl groups and surface hydrophobicity significantly decreased in WPI after binding with phenolic compounds. Significant structural alterations in complexes were demonstrated, characterized by a red-shifted maximum emission wavelength in intrinsic fluorescence spectroscopy, and a significant decrease in α-helix and β-sheet and a remarkable increase in β-turn and random coil contents in fourier transform infrared (FTIR) spectroscopy. Moreover, the presence of three polyphenols induced enhanced solubility, foaming and emulsifying capacities of WPI. These findings suggest the feasible application of GA, CA and EGCG to improve the functional properties of WPI and the potential uses of WPI-polyphenol complexes in food industries.
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50
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Noncovalent interaction of cyanidin-3-O-glucoside with whey protein isolate and β-lactoglobulin: Focus on fluorescence quenching and antioxidant properties. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110386] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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