1
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Zhao C, Zhou J, Zhang Z, Wang W, Guo S, Bai Y, Xue Y, Zhu Y, Gao F, Ren G, Zhang L. Effects of different adzuki bean flour additions on structural and functional characteristics of extruded buckwheat noodles. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 39276015 DOI: 10.1002/jsfa.13894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 08/28/2024] [Accepted: 08/30/2024] [Indexed: 09/16/2024]
Abstract
BACKGROUND Understanding the effects of different additions of adzuki bean flour (ABF) on structural and functional characteristics of extruded buckwheat noodles is important in developing high-quality starchy foods with desirable glycemic indexes. This study explored how varying amounts of ABF in extruded buckwheat noodles influenced their structural and functional characteristics. RESULTS The findings indicated that adding ABF substantially boosted the levels of protein and flavonoids, while decreasing the content of fat and starch. Adding ABF to the noodles extended the optimum cooking time and led to a reduction in both the stickiness of the cooked noodles and the pore size of the starch gel structure, compared with pure buckwheat noodles. Fourier transform infrared spectroscopy indicated that R1047/1022 increased with the content of ABF increased, while R1022/995 decreased. X-ray diffraction showed that the relative crystallinity of buckwheat noodles was enhanced with increasing ABF amount. Adding ABF notably significantly decreased the estimated glycemic index. The buckwheat noodles extruded with 20% ABF addition demonstrated notably stronger α-glucosidase inhibitory effects than those extruded with no ABF addition. CONCLUSION The present study demonstrates that the additions of ABF improved the structure and hypoglycemic activity of extruded buckwheat noodles while decreasing starch digestibility, and the optimal value was reached at an ABF addition of 20%. The study might fill gaps in starch noodle research and provide a new strategy for the development of functional food in the food industry. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Chaofan Zhao
- School of Life Science, Shanxi University, Taiyuan, China
| | - Jiankang Zhou
- School of Life Science, Shanxi University, Taiyuan, China
| | - Zhuo Zhang
- School of Life Science, Shanxi University, Taiyuan, China
| | - Wenting Wang
- School of Life Science, Shanxi University, Taiyuan, China
| | - Shengyuan Guo
- School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Yu Bai
- School of Life Science, Shanxi University, Taiyuan, China
| | - Yajie Xue
- School of Life Science, Shanxi University, Taiyuan, China
| | - Yuting Zhu
- School of Life Science, Shanxi University, Taiyuan, China
| | - Fei Gao
- Tropical Crop Germplasm Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China
| | - Guixing Ren
- School of Life Science, Shanxi University, Taiyuan, China
- School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Lizhen Zhang
- School of Life Science, Shanxi University, Taiyuan, China
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Jahdkaran M, Asri N, Esmaily H, Rostami-Nejad M. Potential of nutraceuticals in celiac disease. Tissue Barriers 2024:2374628. [PMID: 38944818 DOI: 10.1080/21688370.2024.2374628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 06/24/2024] [Indexed: 07/01/2024] Open
Abstract
Celiac Disease (CD) is the most common hereditarily-based food intolerance worldwide and a chronic inflammatory condition. The current standard treatment for CD involves strict observance and compliance with a gluten-free diet (GFD). However, maintaining a complete GFD poses challenges, necessitating the exploration of alternative therapeutic approaches. Nutraceuticals, bioactive products bridging nutrition and pharmaceuticals, have emerged as potential candidates to regulate pathways associated with CD and offer therapeutic benefits. Despite extensive research on nutraceuticals in various diseases, their role in CD has been relatively overlooked. This review proposes comprehensively assessing the potential of different nutraceuticals, including phytochemicals, fatty acids, vitamins, minerals, plant-based enzymes, and dietary amino acids, in managing CD. Nutraceuticals exhibit the ability to modulate crucial CD pathways, such as regulating gluten fragment accessibility and digestion, intestinal barrier function, downregulation of tissue transglutaminase (TG2), intestinal epithelial morphology, regulating innate and adaptive immune responses, inflammation, oxidative stress, and gut microbiota composition. However, further investigation is necessary to fully elucidate the underlying cellular and molecular mechanisms behind the therapeutic and prophylactic effects of nutraceuticals for CD. Emphasizing such research would contribute to future developments in CD therapies and interventions.
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Affiliation(s)
- Mahtab Jahdkaran
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Celiac Disease and Gluten Related Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nastaran Asri
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hadi Esmaily
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Celiac Disease and Gluten Related Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Wu XM, Han WM, Hou LY, Lin DD, Li JY, Lin ST, Yang JP, Liao L, Zeng XA. Glutenin-chitosan 3D porous scaffolds with tunable stiffness and systematized microstructure for cultured meat model. Int J Biol Macromol 2024; 267:131438. [PMID: 38583845 DOI: 10.1016/j.ijbiomac.2024.131438] [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: 01/21/2024] [Revised: 02/29/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
A glutenin (G)-chitosan (CS) complex (G-CS) was cross-linked by water annealing with aim to prepare structured 3D porous cultured meat scaffolds (CMS) here. The CMS has pore diameters ranging from 18 to 67 μm and compressive moduli from 16.09 to 60.35 kPa, along with the mixing ratio of G/CS. SEM showed the porous organized structure of CMS. FTIR and CD showed the increscent content of α-helix and β-sheet of G and strengthened hydrogen-bondings among G-CS molecules, which strengthened the stiffness of G-CS. Raman spectra exhibited an increase of G concentration resulted in higher crosslinking of disulfide-bonds in G-CS, which aggrandized the bridging effect of G-CS and maintained its three-dimensional network. Cell viability assay and immuno-fluorescence staining showed that G-CS effectively facilitated the growth and myogenic differentiation of porcine skeletal muscle satellite cells (PSCs). CLSM displayed that cells first occupied the angular space of hexagon and then ring-growth circle of PSCs were orderly formed on G-CS. The texture and color of CMS which loaded proliferated PSCs were fresh-meat like. These results showed that physical cross-linked G-CS scaffolds are the biocompatible and stable adaptable extracellular matrix with appropriate architectural cues and natural micro-environment for structured CM models.
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Affiliation(s)
- Xiao-Mei Wu
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan, Guangdong 528225, People's Republic of China; Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Wen-Min Han
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Li-Yan Hou
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Dan-Dan Lin
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Jia-Ying Li
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Si-Tong Lin
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Jin-Peng Yang
- Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Lan Liao
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan, Guangdong 528225, People's Republic of China; Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China.
| | - Xin-An Zeng
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan, Guangdong 528225, People's Republic of China; Department of Food Science, Foshan University, Foshan, Guangdong 528000, People's Republic of China.
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4
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Marcano RGV, Khalil NM, de Lurdes Felsner M, Mainardes RM. Mitigating amphotericin B cytotoxicity through gliadin-casein nanoparticles: Insights into synthesis, optimization, characterization, in vitro release and cytotoxicity evaluation. Int J Biol Macromol 2024; 260:129471. [PMID: 38237837 DOI: 10.1016/j.ijbiomac.2024.129471] [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: 06/16/2023] [Revised: 12/27/2023] [Accepted: 01/11/2024] [Indexed: 01/29/2024]
Abstract
Amphotericin B (AmB) is a widely used antifungal agent; however, its clinical application is limited due to severe side effects and nephrotoxicity associated with parenteral administration. In recent years, there has been growing interest in the utilization of food-grade materials as innovative components for nanotechnology-based drug delivery systems. This study introduces gliadin/casein nanoparticles encapsulating AmB (AmB_GliCas NPs), synthesized via antisolvent precipitation. Formulation was refined using a 24 factorial design, assessing the influence of gliadin and casein concentrations, as well as organic and aqueous phase volumes, on particle size, polydispersity index (PDI), and zeta potential. The optimal composition with 2 % gliadin, 0.5 % casein, and a 1:5 organic-to-aqueous phase ratio, yielded nanoparticles with a 442 nm size, a 0.307 PDI, a -20 mV zeta potential, and 82 % entrapment efficiency. AmB was confirmed to be amorphous within the nanoparticles by X-ray diffraction. These NPs released AmB sustainably over 96 h, primarily in its monomeric form. Moreover, NPs maintained stability in simulated gastrointestinal fluids with minimal drug release and showed significantly lower hemolytic activity and cytotoxicity on Vero cells than free AmB, suggesting their promise for oral AmB delivery.
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Affiliation(s)
- Rossana Gabriela Vásquez Marcano
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia St, 838, 85040-167 Guarapuava, PR, Brazil
| | - Najeh Maissar Khalil
- Departamento de Farmácia, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia St, 838, 85040-167 Guarapuava, PR, Brazil
| | - Maria de Lurdes Felsner
- Departamento de Química, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia St, 838, 85040-167 Guarapuava, PR, Brazil
| | - Rubiana Mara Mainardes
- Departamento de Farmácia, Universidade Estadual do Centro-Oeste, Alameda Élio Antonio Dalla Vecchia St, 838, 85040-167 Guarapuava, PR, Brazil.
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5
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Alshehhi JRMH, Wanasingha N, Balu R, Mata J, Shah K, Dutta NK, Choudhury NR. 3D-Printable Sustainable Bioplastics from Gluten and Keratin. Gels 2024; 10:136. [PMID: 38391466 PMCID: PMC10887891 DOI: 10.3390/gels10020136] [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: 12/29/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/24/2024] Open
Abstract
Bioplastic films comprising both plant- and animal-derived proteins have the potential to integrate the optimal characteristics inherent to the specific domain, which offers enormous potential to develop polymer alternatives to petroleum-based plastic. Herein, we present a facile strategy to develop hybrid films comprised of both wheat gluten and wool keratin proteins for the first time, employing a ruthenium-based photocrosslinking strategy. This approach addresses the demand for sustainable materials, reducing the environmental impact by using proteins from renewable and biodegradable sources. Gluten film was fabricated from an alcohol-water mixture soluble fraction, largely comprised of gliadin proteins. Co-crosslinking hydrolyzed low-molecular-weight keratin with gluten enhanced its hydrophilic properties and enabled the tuning of its physicochemical properties. Furthermore, the hierarchical structure of the fabricated films was studied using neutron scattering techniques, which revealed the presence of both hydrophobic and hydrophilic nanodomains, gliadin nanoclusters, and interconnected micropores in the matrix. The films exhibited a largely (>40%) β-sheet secondary structure, with diminishing gliadin aggregate intensity and increasing micropore size (from 1.2 to 2.2 µm) with an increase in keratin content. The hybrid films displayed improved molecular chain mobility, as evidenced by the decrease in the glass-transition temperature from ~179.7 °C to ~173.5 °C. Amongst the fabricated films, the G14K6 hybrid sample showed superior water uptake (6.80% after 30 days) compared to the pristine G20 sample (1.04%). The suitability of the developed system for multilayer 3D printing has also been demonstrated, with the 10-layer 3D-printed film exhibiting >92% accuracy, which has the potential for use in packaging, agricultural, and biomedical applications.
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Affiliation(s)
| | - Nisal Wanasingha
- Chemical and Environmental Engineering, School of Engineering, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Rajkamal Balu
- Chemical and Environmental Engineering, School of Engineering, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Jitendra Mata
- Australian Centre for Neutron Scattering (ACNS), Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, NSW 2232, Australia
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
| | - Kalpit Shah
- Chemical and Environmental Engineering, School of Engineering, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Naba K Dutta
- Chemical and Environmental Engineering, School of Engineering, STEM College, RMIT University, Melbourne, VIC 3000, Australia
| | - Namita Roy Choudhury
- Chemical and Environmental Engineering, School of Engineering, STEM College, RMIT University, Melbourne, VIC 3000, Australia
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6
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Davantès A, Nigen M, Sanchez C, Renard D. In Situ ATR Spectroscopy Study of the Interaction of Acacia senegal Gum with Gold Nanoparticles Films at the Solid-Liquid Interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:529-540. [PMID: 38105537 DOI: 10.1021/acs.langmuir.3c02769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
The adsorption process of Acacia gum (A. senegal), a complex heteropolysaccharide, was followed by using a spectroscopic method to unravel the relative contribution of the protein moieties and the carbohydrate blocks on the adsorption process. In situ ATR-FTIR was used to investigate the kinetics and conformational changes associated with the adsorption of A. senegal gum on gold nanoparticle films (Au-NPs) at different pHs. The results of this thorough study highlighted the adsorption of A. senegal gum through its protein moieties, in particular, AGPs of low molecular weight and high protein content, close to the Au-NPs surface. Isotherm experiments, by gradually increasing the concentration, showed that the gum adsorption was heterogeneous and followed the Freundlich model for the amide part, while the polysaccharide part followed the Langmuir model. In addition, the hydration and structural organization of the gum layer depended on the gum concentration. A. senegal gum adsorbed irreversibly on Au-NPs whatever the pHs, but the adsorbed layer presented a different behavior depending on pH. A more aggregated and less hydrated structure was observed at acidic pH, while a very hydrated and continuous layer was detected at higher pH. The secondary structure analysis through amide III band revealed a change in the gum secondary structure at high pH with the increase in β-turn while random coil decreased.
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Affiliation(s)
- Athénaïs Davantès
- UR BIA, INRAE Pays de la Loire, 3 impasse Yvette Cauchois, La Géraudière, CS 71627, Nantes Cedex 3 F-44316, France
| | - Michaël Nigen
- UMR IATE, UM-INRAE-CIRAD-Montpellier Supagro, 2 Place Viala, Montpellier Cedex F-34060, France
| | - Christian Sanchez
- UMR IATE, UM-INRAE-CIRAD-Montpellier Supagro, 2 Place Viala, Montpellier Cedex F-34060, France
| | - Denis Renard
- UR BIA, INRAE Pays de la Loire, 3 impasse Yvette Cauchois, La Géraudière, CS 71627, Nantes Cedex 3 F-44316, France
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7
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Welc-Stanowska R, Kłosok K, Nawrocka A. Insight into Organization of Gliadin and Glutenin Extracted from Gluten Modified by Phenolic Acids. Molecules 2023; 28:7790. [PMID: 38067520 PMCID: PMC10708489 DOI: 10.3390/molecules28237790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/16/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The changes in the secondary structure of individual gluten protein fractions (gliadin and glutenin) caused by the supplementation of model dough with eight phenolic acids were analysed. Gliadins and glutenins were extracted from gluten samples obtained from overmixed dough. The changes in the gliadin secondary structure depended on the amount of phenolic acid added to the dough. Higher acid concentrations (0.1% and 0.2%) led to a significant reduction in the amount of α-helices and to the formation of aggregates, non-ordered secondary structures, and antiparallel β-sheets. After the addition of acids at a lower concentration (0.05%), the disaggregation of pseudo-β-sheet structures and the formation of β-turns, hydrogen-bonded β-turns, and antiparallel β-sheets were detected. In the case of glutenin, most of the phenolic acids induced the formation of intermolecular hydrogen bonds between the polypeptide chains, leading to glutenin aggregation. When phenolic acids were added at a concentration of 0.05%, the process of protein folding and regular secondary structure formation was also observed. In this system, antiparallel β-sheets and β-turns were created at the expense of pseudo-β-sheets.
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Affiliation(s)
- Renata Welc-Stanowska
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290 Lublin, Poland; (K.K.); (A.N.)
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Nouska C, Hatzikamari M, Matsakidou A, Biliaderis CG, Lazaridou A. Enhancement of Textural and Sensory Characteristics of Wheat Bread Using a Chickpea Sourdough Fermented with a Selected Autochthonous Microorganism. Foods 2023; 12:3112. [PMID: 37628111 PMCID: PMC10453481 DOI: 10.3390/foods12163112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/13/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
A traditional Greek sourdough, based on the fermentation of chickpea flour by an autochthonous culture, was evaluated as a wheat bread improver. The dominant indigenous microflora (Clostridium perfringens isolates) was identified by 16S rDNA analysis, and a selected strain (C. perfringens CP8) was employed to ferment chickpea flour to obtain a standardized starter culture (sourdough) for breadmaking. In accordance with toxin-typed strain identification, all isolates lacked the cpe gene; thus, there is no concern for a health hazard. Loaf-specific volumes increased with the addition of liquid, freeze-dried, and freeze-dried/maltodextrin sourdoughs compared to control bread leavened by baker's yeast only. Following storage (4 days/25 °C), the amylopectin retrogradation and crumb hardness changes (texture profile analysis) revealed a lower degree of staling for the sourdough-fortified breads. Modifications in the protein secondary structure of fortified doughs and breads were revealed by FTIR analysis. High amounts of organic acids were also found in the sourdough-supplemented breads; butyric and isobutyric acids seemed to be responsible for the characteristic 'butter-like' flavor of these products (sensory analysis). Overall, the addition of liquid or freeze-dried chickpea sourdough in wheat bread formulations can improve the specific volume, textural characteristics, and sensorial properties of loaves, along with extending bread shelf life.
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Affiliation(s)
- Chrysanthi Nouska
- Department of Food Science and Technology, School of Agriculture, Aristotle University of Thessaloniki, P.O. Box 235, 54124 Thessaloniki, Greece; (M.H.); (A.M.); (C.G.B.); (A.L.)
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Nadimi M, Hawley E, Liu J, Hildebrand K, Sopiwnyk E, Paliwal J. Enhancing traceability of wheat quality through the supply chain. Compr Rev Food Sci Food Saf 2023; 22:2495-2522. [PMID: 37078119 DOI: 10.1111/1541-4337.13150] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 04/21/2023]
Abstract
With the growing global population, the need for food is expected to grow tremendously in the next few decades. One of the key tools to address such growing food demand is minimizing grain losses and optimizing food processing operations. Hence, several research studies are underway to reduce grain losses/degradation at the farm (upon harvest) and later during the milling and baking processes. However, less attention has been paid to changes in grain quality between harvest and milling. This paper aims to address this knowledge gap and discusses possible strategies for preserving grain quality (for Canadian wheat in particular) during unit operations at primary, process, or terminal elevators. To this end, the importance of wheat flour quality metrics is briefly described, followed by a discussion on the effect of grain properties on such quality parameters. This work also explores how drying, storage, blending, and cleaning, as some of the common post-harvest unit operations, could affect grain's end-product quality. Finally, an overview of the available techniques for grain quality monitoring is provided, followed by a discussion on existing gaps and potential solutions for quality traceability throughout the wheat supply chain.
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Affiliation(s)
- Mohammad Nadimi
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | - Jing Liu
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | | | - Jitendra Paliwal
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
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Golea CM, Stroe SG, Gâtlan AM, Codină GG. Physicochemical Characteristics and Microstructure of Ancient and Common Wheat Grains Cultivated in Romania. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112138. [PMID: 37299117 DOI: 10.3390/plants12112138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023]
Abstract
Different wheat species, common wheat (Triticum aestivum subsp. aestivum), spelt (Triticum aestivum subsp. spelta) and einkorn (Triticum monococcum subsp. monococcum), were analyzed for physicochemical (moisture, ash, protein, wet gluten, lipid, starch, carbohydrates, test weight and thousand-kernel mass) and mineral elements (Ca, Mg, K, Na, Zn, Fe, Mn and Cu) concentrations in grains. Additionally, wheat grain microstructure was determined using a scanning electron microscope. SEM micrographs of wheat grains show that einkorn has smaller type A starch granule diameters and more compact protein bonds compared to common wheat and spelt grains, making it easier to digest. The ancient wheat grains presented higher values for ash, protein, wet gluten and lipid content compared to the common wheat grains, whereas the carbohydrates and starch content were significantly (p < 0.05) lower. The mean values showed that spelt (Triticum aestivum subsp. spelta) grains presented the highest values for Ca, Mg and K, while einkorn (Triticum monococcum subsp. monococcum) grains had the highest values for the microelements Zn, Mn and Cu. The highest values of Fe were recorded for common wheat varieties whereas no significant differences among the species were obtained for Na content. The principal component analysis (p > 0.05) between wheat flours characteristics showed a close association between wheat grain species and between the chemical characteristics of gluten and protein content (r = 0.994), lipid and ash content (r = 0.952) and starch and carbohydrate content (r = 0.927), for which high positive significant correlations (p < 0.05) were obtained. Taking into account that Romania is the fourth largest wheat producer at the European level, this study is of great global importance. According to the results obtained, the ancient species have higher nutritional value from the point of view of chemical compounds and macro elements of minerals. This may be of great importance for consumers who demand bakery products with high nutritional quality.
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Affiliation(s)
- Camelia Maria Golea
- Faculty of Food Engineering, "Ştefan cel Mare" University, 720229 Suceava, Romania
- Vegetal Genetic Resources Bank "Mihai Cristea", 720224 Suceava, Romania
| | - Silviu-Gabriel Stroe
- Faculty of Food Engineering, "Ştefan cel Mare" University, 720229 Suceava, Romania
| | - Anca-Mihaela Gâtlan
- Faculty of Food Engineering, "Ştefan cel Mare" University, 720229 Suceava, Romania
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Insight in changes in starch and proteins molecular structure of non-wheat cereal flours influenced by roasting and extrusion treatments. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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12
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Stawoska I, Myszkowska D, Oliwa J, Skoczowski A, Wesełucha-Birczyńska A, Saja-Garbarz D, Ziemianin M. Air pollution in the places of Betula pendula growth and development changes the physicochemical properties and the main allergen content of its pollen. PLoS One 2023; 18:e0279826. [PMID: 36696393 PMCID: PMC9876359 DOI: 10.1371/journal.pone.0279826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 12/14/2022] [Indexed: 01/26/2023] Open
Abstract
Pollen allergy becomes an increasing problem for humans, especially in the regions, where the air pollution level increases due to the traffic and urbanization. These factors may also affect the physiological activity of plants, causing changes in pollen allergenicity. The aim of the study was to estimate the influence of air pollutants on the chemical composition of birch pollen and the secondary structures of the Bet v1 protein. The research was conducted in seven locations in Malopolska region, South of Poland of a different pollution level. We have found slight fluctuations in the values of parameters describing the photosynthetic light reactions, similar spectra of leaf reflectance and the negligible differences in the discrimination values of the δ13C carbon isotope were found. The obtained results show a minor effect of a degree of pollution on the physiological condition B. pendula specimen. On the other hand, mean Bet v1 concentration measured in pollen samples collected in Kraków was significantly higher than in less polluted places (p = .03886), while FT-Raman spectra showed the most distinct variations in the wavenumbers characteristic of proteins. Pollen collected at sites of the increased NOx and PM concentration, show the highest percentage values of potential aggregated forms and antiparallel β-sheets in the expense of α-helix, presenting a substantial impact on chemical compounds of pollen, Bet v1 concentration and on formation of the secondary structure of proteins, what can influence their functions.
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Affiliation(s)
- Iwona Stawoska
- Institute of Biology, Pedagogical University of Krakow, Kraków, Poland
| | - Dorota Myszkowska
- Department of Clinical and Environmental Allergology, Jagiellonian University Medical College, Kraków, Poland
| | - Jakub Oliwa
- Institute of Biology, Pedagogical University of Krakow, Kraków, Poland
| | | | | | - Diana Saja-Garbarz
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Kraków, Poland
| | - Monika Ziemianin
- Department of Clinical and Environmental Allergology, Jagiellonian University Medical College, Kraków, Poland
- * E-mail:
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Xing B, Zhang Z, Zhu M, Teng C, Zou L, Liu R, Zhang L, Yang X, Ren G, Qin P. The gluten structure, starch digestibility and quality properties of pasta supplemented with native or germinated quinoa flour. Food Chem 2023; 399:133976. [DOI: 10.1016/j.foodchem.2022.133976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 10/15/2022]
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14
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Comparative Characterization of Grain Protein Content and Composition by Chromatography-Based Separation Methods (SE-HPLC and RP-HPLC) of Ten Wheat Varieties Grown in Different Agro-Ecological Zones of Algeria. SEPARATIONS 2022. [DOI: 10.3390/separations9120443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
To characterize and compare the protein quality of ten durum wheat genotypes grown under three cropping modalities in Algeria (subhumid in Algiers, subhumid-semiarid in Constantine, and semiarid in Sétif), the protein profile of their kernels was performed by High-Performance Liquid Chromatography (SE-HPLC and RP-HPLC). The “variety” factor has a major impact, mainly on the insoluble fraction (Fi), on the gliadin/glutenin ratio, on the large and small glutenin aggregates (F1 and F2, respectively), and on ω-gliadins and high molecular weight albumins (F3). Conversely, the total protein content and the albumin-globulin fraction (F5) depend mainly on the environment. The α- β- and γ-gliadins (F4) are equally dependent on variety and environment. The subhumid-semiarid agroecological conditions of Constantine (SH-SA) favored an important accumulation of proteins (14.1%), particularly by an increased synthesis of omega gliadins and high-molecular-weight glutenin subunits (HMW-GS), compared to those of Algiers (SH) and Sétif (SA). For these latter environments, metabolic-type proteins are predominant, reflected in a higher F5 fraction (p < 0.05) (albumin and globulin), and significantly more alpha-beta and gamma gliadins. The use of chromatographic analyses to characterize wheat genotypes remains a reliable tool for breeding and variety promotion programs and can provide a better understanding of the ecophysiology of cereal crops.
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Krekora M, Nawrocka A. The influence of selected polyphenols on the gluten structure - A study on gluten dough with application of FT-IR and FT-Raman spectroscopy. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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16
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Does Nitrogen Fertilization Affect the Secondary Structures of Gliadin Proteins in Hypoallergenic Wheat? MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175684. [PMID: 36080452 PMCID: PMC9457604 DOI: 10.3390/molecules27175684] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022]
Abstract
One of the macronutrients indispensable for plant growth and development is nitrogen (N). It is responsible for starch and storage protein (gliadins and glutenins) biosynthesis and, in consequence, influences kernels’ quality and yields. However, applying N-fertilizers increases gluten content in wheat, and it may intensify the risk of developing allergy symptoms in gluten-sensitive individuals. The purpose of our research was to analyse whether and how the elimination of N-fertilizers during the cultivation of wasko.gl− wheat (modified genotype lacking ω-gliadins) changes the secondary structures of gliadin proteins. To this aim, using the FT-Raman technique, we examined flour and gliadin protein extracts obtained from kernels of two winter wheat lines: wasko.gl+ (with a full set of gliadin proteins) and wasko.gl− (without ω-gliadin fraction) cultivated on two different N-fertilization levels—0 and 120 kg N·ha−1. On the basis of the obtained results, we proved that nitrogen fertilization does not have a major impact on the stability of the secondary structures of gliadin proteins for wasko.gl− wheat line with reduced allergenic properties. Furthermore, the results presented herein suggest the possibility of increasing the stability of glutenin structures as a result of the N-fertilization of wasko.gl− wheat line, which gives hope for its use in the production of wheat articles devoted to people suffering from diseases related to gluten sensitivity.
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17
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Kłosok K, Welc R, Szymańska-Chargot M, Nawrocka A. Phenolic acids-induced aggregation of gluten proteins. Structural analysis of the gluten network using FT-Raman spectroscopy. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Influence of Farming System and Forecrops of Spring Wheat on Protein Content in the Grain and the Physicochemical Properties of Unsonicated and Sonicated Gluten. Molecules 2022; 27:molecules27123926. [PMID: 35745049 PMCID: PMC9227526 DOI: 10.3390/molecules27123926] [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: 05/16/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 12/10/2022] Open
Abstract
The potential for enhancing the spring wheat protein content by different cultivation strategies was explored. The influence of ultrasound on the surface and rheological properties of wheat-gluten was also studied. Spring wheat was cultivated over the period of 2018-2020 using two farming systems (conventional and organic) and five forecrops (sugar beet, spring barley, red clover, winter wheat, or oat). The obtained gluten was sonicated using the ultrasonic scrubber. For all organically grown wheat, the protein content was higher than for the conventional one. There was no correlation between the rheological properties of gluten and the protein content in the grain. Gluten derived from organically grown wheat was more elastic than those derived from the conventional one. Sonication enhanced the elasticity of gluten. The sonication effect was influenced by the forecrops. The most elastic gluten after sonication was found for organic barley and sugar beet. The lowest values of tan (delta) were noted for conventional wheat and conventional oat. Cultivation in the monoculture gave gluten with a smaller susceptibility to increase elasticity after sonic treatment. Sonication promoted the cross-linking of protein molecules and induced a more hydrophobic character, which was confirmed by an increment in contact angles (CAs). Most of the organically grown wheat samples showed a lower CA than the conventional ones, which indicated a less hydrophobic character. The gluten surface became rougher with the sonication, regardless of the farming system and applied forecrops. Sonication treatment of gluten proteins rearranged the intermolecular linkages, especially disulfide and hydrophobic bonds, leading to changes in their surface morphology.
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How Do Phenolic Acids Change the Secondary and Tertiary Structure of Gliadin? Studies with an Application of Spectroscopic Techniques. Int J Mol Sci 2022; 23:ijms23116053. [PMID: 35682729 PMCID: PMC9181179 DOI: 10.3390/ijms23116053] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 12/04/2022] Open
Abstract
The effect of the chemical structure of selected phenolic acids on the molecular organization of gliadins was investigated with the application of Fourier Transform Infrared (FTIR) technique, steady-state, and time-resolved fluorescence spectroscopy. Hydroxybenzoic (4-hydroxybenzoic, protocatechuic, vanillic, and syringic) and hydroxycinnamic (coumaric, caffeic, ferulic, sinapic) acids have been used as gliadins modifiers. The results indicated that hydroxybenzoic acids due to their smaller size incorporate into spaces between two polypeptide chains and form a hydrogen bond with them leading to aggregation. Additionally, syringic acids could incorporate into hydrophobic pockets of protein. Whereas hydroxycinnamic acids, due to their higher stiffness and larger size, separated polypeptide chains leading to gliadin disaggregation. These acids did not incorporate into hydrophobic pockets.
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20
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He WJ, Chen N, Yu ZL, Sun Q, He Q, Zeng WC. Effect of Structure Complexity of Catechins on the Properties of Glutenin: the Rule, Action Mechanism and Application. FOOD BIOPHYS 2022. [DOI: 10.1007/s11483-022-09744-9] [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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21
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Effect of a polyphenol molecular size on the gluten proteins – polyphenols interactions studied with FT-Raman spectroscopy. FOOD BIOPHYS 2022. [DOI: 10.1007/s11483-022-09740-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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22
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Wang Q, Zhang H, Zhu W, Li C, Xu Y, Ding X, Zhou X. Physicochemical properties and nutritional quality of pre-fermented red bean steamed buns as affected by freeze-thaw cycling. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2060252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Qiuyu Wang
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
| | - Haifeng Zhang
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
| | - Wenzheng Zhu
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
| | - Chunmei Li
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
| | - Yan Xu
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
| | - Xiangli Ding
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
| | - Xiaoyan Zhou
- Department of Culinary Science and Nutrition, School of Tourism and Culinary Science, Yangzhou University, Engineering Research Center for Huaiyang Cuisin of Jiangsu Province, Yangzhou, China
- Department of Culinary Science, Key Laboratory of Chinese Cuisine Intangible Cultural Heritage Technology Inheritance, Ministry of Culture and Tourism, Yangzhou, China
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23
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Fanari F, Carboni G, Desogus F, Grosso M, Wilhelm M. A Chemometric Approach to Assess the Rheological Properties of Durum Wheat Dough by Indirect FTIR Measurements. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02799-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
AbstractRheological measurements and FTIR spectroscopy were used to characterize different doughs, obtained by commercial and monovarietal durum wheat flours (Cappelli and Karalis). Rheological frequency sweep tests were carried out, and the Weak Gel model, whose parameters may be related to gluten network extension and strength, was applied. IR analysis mainly focused on the Amide III band, revealing significant variations in the gluten network. Compared to the other varieties, Karalis semolina showed a higher amount of α-helices and a lower amount of β-sheets and random structures. Spectroscopic and rheological data were then correlated using Partial Least Squares regression (PLS) coupled with the Variable Importance in Projection (VIP) technique. The combined use of the techniques provided useful insights into the interplay among protein structures, gluten network features, and rheological properties. In detail, β-sheets and α-helices protein conformations were shown to significantly affect the gluten network's mechanical strength.
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Kotsiou K, Sacharidis DD, Matsakidou A, Biliaderis CG, Lazaridou A. Physicochemical and functional aspects of composite wheat-roasted chickpea flours in relation to dough rheology, bread quality and staling phenomena. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107322] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Pi R, Li G, Zhuang S, Yu Q, Luo Y, Tan Y, Dai R, Hong H. Effect of the Partial Substitution of Sodium Chloride on the Gel Properties and Flavor Quality of Unwashed Fish Mince Gels from Grass Carp. Foods 2022; 11:foods11040576. [PMID: 35206053 PMCID: PMC8871401 DOI: 10.3390/foods11040576] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 02/04/2023] Open
Abstract
Excessive salt is usually required to maintain good gel properties and quality characteristics for unwashed fish mince gels (UFMG). This study aimed to investigate the effects of partial sodium chloride substitution (30%) with different substitutes (potassium chloride, disodium inosine-5′-monophosphate, basil) on the gel and flavor properties of UFMG from Ctenopharyngodon idellus. The results indicated that the texture and gel strength of NK (30% NaCl was replaced with 30% KCl) were fairly similar to that of N group (NaCl only), and the whiteness had improved significantly (p < 0.05), while the product eventually yielded a certain bitter taste. The addition of disodium inosine-5′-monophosphate (DIMP) significantly (p < 0.05) increased the hardness, chewiness, buriedness degree of tryptophan and gel strength, decreased the content of α-helix structure in the gels, while less change occurred in gel whiteness and network structure. Basil significantly (p < 0.05) reduced the buriedness degree of tryptophan, gel strength and whiteness, and deteriorated the gel structure. Nevertheless, the addition of DIMP or basil reduced the bitterness induced by KCl and improved the overall acceptability scores of gels of the N group. Moreover, there was no distinct difference in moisture content and water-holding capacity between all groups. Therefore, replacing sodium chloride in UFMG with 25% potassium chloride and 5% DIMP may be an ideal sodium salt substitution strategy.
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Affiliation(s)
- Ruobing Pi
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Gaojing Li
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Shuai Zhuang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Qinye Yu
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Yongkang Luo
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Yuqing Tan
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Ruitong Dai
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
| | - Hui Hong
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; (R.P.); (G.L.); (S.Z.); (Q.Y.); (Y.L.); (Y.T.); (R.D.)
- Center of Food Colloids and Delivery for Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
- Xinghua Industrial Research Centre for Food Science and Human Health, China Agricultural University, Xinghua 225700, China
- Correspondence:
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26
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Extraction concentration of NaCl on structural, physicochemical and functional properties of Moringa oleifera seeds protein. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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28
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Zhang L, Zhang Z, Xu L, Zhang X. Maintaining the Balance of Intestinal Flora through the Diet: Effective Prevention of Illness. Foods 2021; 10:2312. [PMID: 34681359 PMCID: PMC8534928 DOI: 10.3390/foods10102312] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/23/2021] [Accepted: 09/26/2021] [Indexed: 12/15/2022] Open
Abstract
The human body is home to a complex community of dynamic equilibrium microbiota, including bacteria, fungi, parasites, and viruses. It is known that the gut microbiome plays a crucial role in regulating innate and adaptive immune responses, intestinal peristalsis, intestinal barrier homeostasis, nutrient uptake, and fat distribution. The complex relationship between the host and microbiome suggests that when this relationship is out of balance, the microbiome may contribute to disease development. The brain-gut-microbial axis is composed of many signal molecules, gastrointestinal mucosal cells, the vagus nerve, and blood-brain barrier, which plays an essential role in developing many diseases. The microbiome can influence the central nervous system function through the brain-gut axis; the central nervous system can also affect the composition and partial functions of the gut microbiome in the same way. Different dietary patterns, specific dietary components, and functional dietary factors can significantly affect intestinal flora's structure, composition, and function, thereby affecting human health. Based on the above, this paper reviewed the relationship between diet, intestinal flora, and human health, and the strategies to prevent mental illness through the dietary modification of intestinal microorganisms.
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Affiliation(s)
- Li Zhang
- Department of Physical Education, China University of Mining and Technology, Beijing 100083, China; (L.Z.); (Z.Z.)
| | - Zhenying Zhang
- Department of Physical Education, China University of Mining and Technology, Beijing 100083, China; (L.Z.); (Z.Z.)
| | - Lei Xu
- Department of Food Science and Engineering, Ningbo University, Ningbo 315211, China;
| | - Xin Zhang
- Department of Food Science and Engineering, Ningbo University, Ningbo 315211, China;
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FT-Raman Spectroscopy as a Tool to Study the Secondary Structures of Wheat Gliadin Proteins. Molecules 2021; 26:molecules26175388. [PMID: 34500820 PMCID: PMC8434250 DOI: 10.3390/molecules26175388] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 11/29/2022] Open
Abstract
Raman spectroscopy is a useful method in biological, biomedical, food, and agricultural studies, allowing the simultaneous examination of various chemical compounds and evaluation of molecular changes occurring in tested objects. The purpose of our research was to explain how the elimination of ω-fractions from the wheat gliadin complex influences the secondary structures of the remaining αβγ-gliadins. To this aim, we analyzed the endosperm of wheat kernels as well as gliadin proteins extracted from two winter wheat genotypes: wasko.gl+ (control genotype containing the full set of gliadins) and wasko.gl− (modified genotype lacking all ω-gliadins). Based on the decomposition of the amide I band, we observed a moderate increase in β-forms (sheets and turns) at the expense of α-helical and random coil structures for gliadins isolated from the flour of the wasko.gl− line. Since ω-gliadins contain no cysteine residues, they do not participate in the formation of the disulfide bridges that stabilize the protein structure. However, they can interact with other proteins via weak, low-energetic hydrogen bonds. We conclude that the elimination of ω-fractions from the gliadin complex causes minor modifications in secondary structures of the remaining gliadin proteins. In our opinion, these small, structural changes of proteins may lead to alterations in gliadin allergenicity.
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