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Yang J, Kuang H, Kumar N, Song J, Li Y. Changes of structure properties and potential allergenicity of ovalbumin under high hydrostatic pressures. Food Res Int 2024; 190:114658. [PMID: 38945590 DOI: 10.1016/j.foodres.2024.114658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 06/15/2024] [Accepted: 06/15/2024] [Indexed: 07/02/2024]
Abstract
Egg proteins, notably ovalbumin (OVA), contribute to a prevalent form of food allergy, particularly in children. This study aims to investigate the impact of high hydrostatic pressure (HHP) treatment at varying levels (300, 400, 500, and 600 MPa) on the molecular structure and allergenicity of OVA. The structure of HHP-treated OVA was assessed through fluorescence spectroscopy, circular dichroism spectroscopy, and molecular dynamics (MD) simulation. HHP treatment (600 MPa) altered OVA structures, such as α-helix content decreased from 28.07 % to 19.47 %, and exogenous fluorescence intensity increased by 8.8 times compared to that of the native OVA. The free sulfhydryl groups and zeta potential value were also increased with HHP treatment (600 MPa). ELISA analysis and MD simulation unveiled a noteworthy reduction in the allergenicity of OVA when subjected to 600 MPa for 10 min. Overall, this study suggests that the conformational changes in HHP-treated OVA contribute to its altered allergenicity.
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Affiliation(s)
- Jing Yang
- Chongqing Engineering Research Center for Processing & Storage of Distinct Agricultural Products, Chongqing Technology and Business University, Chongqing 400067, China; School of Food Nutrition and Health (Hot Pot) Modern Industry, Chongqing Technology and Business University, Chongqing 400067, China.
| | - Hong Kuang
- Chongqing Engineering Research Center for Processing & Storage of Distinct Agricultural Products, Chongqing Technology and Business University, Chongqing 400067, China
| | - Nandan Kumar
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA
| | - Jiajia Song
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yonghui Li
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA.
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2
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George GS, Fleming CJ, Upadhyay R. Perspective on oral processing of plant-based beverages. J Texture Stud 2024; 55:e12846. [PMID: 38899530 DOI: 10.1111/jtxs.12846] [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: 01/18/2024] [Revised: 04/09/2024] [Accepted: 05/18/2024] [Indexed: 06/21/2024]
Abstract
Around the world, the market for plant-derived beverages is one of the fastest-expanding segments in the functional and specialty beverage areas of newer food product development. Consumers are increasingly likely to choose alternatives to bovine beverages due to factors including lactose intolerance, hypercholesterolemia prevalence, allergies to bovine beverages, and preference for vegan diets that contain functionally active ingredients with health-promoting characteristics. Due to health, ecological, and ethical concerns, many customers are interested in reducing their usage of animal products like bovine milk. A variety of plant-based beverage substitutes are being created by the food sector as a result. To create viable alternatives, it is first necessary to provide an overview of the chemical composition, structure, features, and nutritional attributes of ordinary bovine milk. Sensory acceptability in the case of substitutes for beverages made from legumes is a significant barrier to their widespread acceptance, and thus saliva acts as a sophisticated fluid that serves a variety of purposes in the cavity of the mouth. Designing and producing next-generation plant-based beverages that mimic the physicochemical and functional qualities of conventional bovine-based beverages is gaining popularity, and many of these products can be thought of as colloidal materials that contain the particles or polymers that give them their unique qualities NG-PB foods can have a wide range of rheological qualities, such as fluids with low viscosity (such as plant-based beverages), high-viscosity liquids (like creams), soft liquids (like yogurt), as well as hard solids (such as some cheeses).
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Affiliation(s)
- Gintu Sara George
- Division of Food Processing Technology, School of Agricultural Sciences, Karunya Institute of Technology and Sciences, Coimbatore, India
| | - Craig J Fleming
- Giraffe Foods a Symrise Group Company, Mississauga, Ontario, Canada
| | - Rituja Upadhyay
- Division of Food Processing Technology, School of Agricultural Sciences, Karunya Institute of Technology and Sciences, Coimbatore, India
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Dong H, Yang L, Dadmohammadi Y, Li P, Lin T, He Y, Zhou Y, Li J, Meletharayil G, Kapoor R, Abbaspourrad A. Investigating the synergistic effects of high-pressure homogenization and pH shifting on the formation of tryptophan-rich nanoparticles. Food Chem 2024; 434:137371. [PMID: 37708572 DOI: 10.1016/j.foodchem.2023.137371] [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: 04/28/2023] [Revised: 08/16/2023] [Accepted: 08/31/2023] [Indexed: 09/16/2023]
Abstract
A combined treatment of high-pressure homogenization (HPH) and pH-shifting on the mixture of α-lactalbumin (α-LA) and tryptophan (Trp) was used to fabricate nanoparticles (α-LA-Trp-NP). The optimal α-LA/Trp ratio (5:1), HPH pressure (206.8 MPa), and recirculation time (40 min) was found to produce small α-LA-Trp-NP (243.0 ± 7.2 nm) with a narrow particle size distribution. Comparing the size and morphology of α-LA-NPs with α-LA-Trp-NPs indicated that the presence of Trp significantly affected the size and morphology of the NPs in the dry form. The stability of the α-LA-Trp-NPs was improved by using the combination of HPH and pH-shifting. The α-LA-Trp-NPs showed better freeze-thaw stability and retained the particle characteristics with heat treatment at 63 °C, 30 min after the freeze-thaw cycle. α-LA-Trp-NPs were also observed to have remarkable stability against pH changes and thermal treatments at 63 °C, 30 min, and 90 °C, 2 min.
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Affiliation(s)
- Hongmin Dong
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Lixin Yang
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Younas Dadmohammadi
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Peilong Li
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Tiantian Lin
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Yanhong He
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Yufeng Zhou
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | - Jieying Li
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA
| | | | | | - Alireza Abbaspourrad
- Department of Food Science, College of Agricultural and Life Sciences, Cornell University, Ithaca, NY 14853, USA.
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Mirarab Razi S, Mohebbi M, Mirzababaee SM, Hesarinejad MA, Khalilian Movahed M. The effect of high hydrostatic pressure on the structure of whey proteins-guar gum mixture. Heliyon 2024; 10:e24140. [PMID: 38234892 PMCID: PMC10792572 DOI: 10.1016/j.heliyon.2024.e24140] [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: 10/17/2023] [Revised: 12/19/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024] Open
Abstract
The effect of high hydrostatic pressure (HHP) on the structural properties of whey protein concentrate (WPC) and guar gum mixture has been investigated at pH 5. WPC (6 % w/v) and guar gum (0.25 % w/v) mixture was freeze dried after adjusting pH and treated at different pressure levels (0-600 MPa) for 0-30 min. The solubility of treated powders decreased significantly (p < 0.05) as treatment time and pressure levels increased. Thermal analysis showed an increase in denaturation temperature after HHP treatment at 600 MPa. A more crystalline structure was observed in samples treated with 600 MPa for 20 and 30 min. With increasing pressure and time, particle size of the samples increased and the highest particle size was belonged to sample treated at 600 MPa for 30 min (759.66 nm). SEM results exhibited that by applying the pressure, irregularity of shapes and particle size increased while the apparent cracks decreased. FTIR results indicated that HHP treatment changed shift in bond and peak intensity. As reported in the current study, the application of HHP treatment as a green physical technology on protein-polysaccharide mixture could be used to improve interaction of protein and polysaccharide.
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Affiliation(s)
- Saeed Mirarab Razi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Mohebbat Mohebbi
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
| | - Seyyed Mahdi Mirzababaee
- Department of Food Industry Machineries, Research Institute of Food Science and Technology, Mashhad, Iran
| | | | - Mohammad Khalilian Movahed
- Department of Food Science and Technology, Faculty of Agriculture, Ferdowsi University of Mashhad, PO Box: 91775-1163, Mashhad, Iran
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Janahar JJ, Balasubramaniam V, Jimenez-Flores R, Campanella OH, García-Cano I, Chen D. Pressure, shear, thermal, and interaction effects on quality attributes of pea–dairy protein colloidal dispersions. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Encapsulation of Nutraceuticals in Yoghurt and Beverage Products Using the Ultrasound and High-Pressure Processing Technologies. Foods 2022; 11:foods11192999. [PMID: 36230075 PMCID: PMC9564056 DOI: 10.3390/foods11192999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/09/2022] [Accepted: 09/19/2022] [Indexed: 11/17/2022] Open
Abstract
Dairy and beverage products are considered highly nutritious. The increase demand for added nutritional benefits within the food systems consumed by the consumers paves the pathway towards fortifying nutraceuticals into these products. However, nutraceuticals are highly unstable towards harsh processing conditions. In addition, the safety of dairy and beverage products plays a very important role. Therefore, various heat treatments are in practice. As the heat-treated dairy and beverage products tends to illustrate several alterations in their organoleptic characteristics and nutritional properties, the demand for alternative non-thermal processing technologies has increased extensively within the food industry. Ultrasound and high-pressure processing technologies are desirable for this purpose as well as a safe and non-destructive technology towards encapsulation of nutraceuticals into food systems. There are benefits in implementing these two technologies in the production of dairy and beverage products with encapsulants, such as manufacturing high-quality products with improved nutritional value while simultaneously enhancing the sensory characteristics such as flavour, taste, texture, and colour and attaining the microbial quality. The primary objective of this review is to provide detailed information on the encapsulation of nutraceuticals and mechanisms involved with using US and HPP technologies on producing encapsulated yoghurt and beverage products.
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Boukil A, Marciniak A, Mezdour S, Pouliot Y, Doyen A. Effect of High Hydrostatic Pressure Intensity on Structural Modifications in Mealworm (Tenebrio molitor) Proteins. Foods 2022; 11:foods11070956. [PMID: 35407046 PMCID: PMC8997566 DOI: 10.3390/foods11070956] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/14/2022] [Accepted: 03/22/2022] [Indexed: 12/10/2022] Open
Abstract
Processing edible insects into protein extracts may improve consumer acceptability. However, a better understanding of the effects of food processing on the proteins is needed to facilitate their incorporation into food matrices. In this study, soluble proteins from Tenebrio molitor (10% w/v) were pressurized using high hydrostatic pressure (HHP) at 70–600 MPa for 5 min and compared to a non-pressurized control (0.1 MPa). Protein structural modifications were evaluated using turbidity measurement, particle-size distribution, intrinsic fluorescence, surface hydrophobicity, gel electrophoresis coupled with mass spectrometry, and transmission electron microscopy (TEM). The observed decrease in fluorescence intensity, shift in the maximum emission wavelength, and increase in surface hydrophobicity reflected the unfolding of mealworm proteins. The formation of large protein aggregates consisting mainly of hexamerin 2 and ⍺-amylase were confirmed by protein profiles on gel electrophoresis, dynamic light scattering, and TEM analysis. The typical aggregate shape and network observed by TEM after pressurization indicated the potential involvement of myosin and actin in aggregate formation, and these were detected by mass spectrometry. For the first time, the identification of mealworm proteins involved in protein aggregation phenomena under HHP was documented. This work is the first step in understanding the mealworm protein–protein interactions necessary for the development of innovative insect-based ingredients in food formulations.
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Affiliation(s)
- Abir Boukil
- Department of Food Science, Université Laval, Quebec, QC G1V 0A6, Canada; (A.B.); (Y.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
| | - Alice Marciniak
- Department of Food Science, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Samir Mezdour
- AgroParisTech, UMR782 Paris Saclay Food and Bioproduct Engineering, 1 Rue des Olympiades, 91077 Massy, France;
| | - Yves Pouliot
- Department of Food Science, Université Laval, Quebec, QC G1V 0A6, Canada; (A.B.); (Y.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
| | - Alain Doyen
- Department of Food Science, Université Laval, Quebec, QC G1V 0A6, Canada; (A.B.); (Y.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec, QC G1V 0A6, Canada
- Correspondence:
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Bhat ZF, Morton JD, Bekhit AEDA, Kumar S, Bhat HF. Effect of processing technologies on the digestibility of egg proteins. Compr Rev Food Sci Food Saf 2021; 20:4703-4738. [PMID: 34355496 DOI: 10.1111/1541-4337.12805] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 06/06/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023]
Abstract
Egg and egg products are a rich source of highly bioavailable animal proteins. Several processing technologies can affect the structural and functional properties of these proteins differently and can influence their fate inside the gastrointestinal tract. The present review examines some of the processing technologies for improving egg protein digestibility and discusses how different processing conditions affect the digestibility of egg proteins under gastrointestinal digestion environments. To provide up-to-date information, most of the studies included in this review have been published in the last 5 years on different aspects of egg protein digestibility. Digestibility of egg proteins can be improved by employing some processing technologies that are able to improve the susceptibility of egg proteins to gastrointestinal proteases. Processing technologies, such as pulsed electric field, high-pressure, and ultrasound, can induce conformational and microstructural changes that lead to unfolding of the polypeptides and expose active sites for further interactions. These changes can enhance the accessibility of digestive proteases to cleavage sites. Some of these technologies may inactivate some egg proteins that are enzyme inhibitors, such as trypsin inhibitors. The underlying mechanisms of how different technologies mediate the egg protein digestibility have been discussed in detail. The proteolysis patterns and digestibility of the processed egg proteins are not always predictable and depends on the processing conditions. Empirical input is required to tailor the optimization of processing conditions for favorable effects on protein digestibility.
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Affiliation(s)
- Zuhaib F Bhat
- Division of Livestock Products Technology, SKUAST of Jammu, Jammu, Jammu and Kashmir, India
| | - James D Morton
- Department of Wine Food and Molecular Biosciences, Lincoln University, Christchurch, New Zealand
| | | | - Sunil Kumar
- Division of Livestock Products Technology, SKUAST of Jammu, Jammu, Jammu and Kashmir, India
| | - Hina F Bhat
- Division of Biotechnology, SKUAST of Kashmir, Srinagar, Jammu and Kashmir, India
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Huang R, Xu C. An overview of the perception and mitigation of astringency associated with phenolic compounds. Compr Rev Food Sci Food Saf 2020; 20:1036-1074. [PMID: 33340236 DOI: 10.1111/1541-4337.12679] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 11/07/2020] [Accepted: 11/12/2020] [Indexed: 12/21/2022]
Abstract
Astringency, as a kind of puckering, drying, or rough sensation, is widely perceived from natural foods, especially plants rich in phenolic compounds. Although the interaction and precipitation of salivary proteins by phenolic compounds was often believed as the major mechanism of astringency, a definitive theory about astringency is still lacking due to the complex oral sensations. The interaction with oral epithelial cells and the activation of trigeminal chemoreceptors and mechanoreceptors also shed light on some of the phenolic astringency mechanisms, which complement the insufficient mechanism of interaction with salivary proteins. Since phenolic compounds with different types and structures show different astringency thresholds in a certain regularity, there might be some relationships between the phenolic structures and perceived astringency. On the other hand, novel approaches to reducing the unfavorable perception of phenolic astringency have been increasingly emerging; however, the according summary is still sparse. Therefore, this review aims to: (a) illustrate the possible mechanisms of astringency elicited by phenolic compounds, (b) reveal the possible relationships between phenolic structures and perception of astringency, and (c) summarize the emerging mitigation approaches to astringency triggered by phenolic compounds. This comprehensive review would be of great value to both the understanding of phenolic astringency and the finding of appropriate mitigation approaches to phenolic astringency in future research.
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Affiliation(s)
- Rui Huang
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Changmou Xu
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska
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