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Johansson E, Lan Y, Olalekan O, Kuktaite R, Chawade A, Rahmatov M. Alien introgression to wheat for food security: functional and nutritional quality for novel products under climate change. Front Nutr 2024; 11:1393357. [PMID: 38933881 PMCID: PMC11199737 DOI: 10.3389/fnut.2024.1393357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
Crop yield and quality has increased globally during recent decades due to plant breeding, resulting in improved food security. However, climate change and shifts in human dietary habits and preferences display novel pressure on crop production to deliver enough quantity and quality to secure food for future generations. This review paper describes the current state-of-the-art and presents innovative approaches related to alien introgressions into wheat, focusing on aspects related to quality, functional characteristics, nutritional attributes, and development of novel food products. The benefits and opportunities that the novel and traditional plant breeding methods contribute to using alien germplasm in plant breeding are also discussed. In principle, gene introgressions from rye have been the most widely utilized alien gene source for wheat. Furthermore, the incorporation of novel resistance genes toward diseases and pests have been the most transferred type of genes into the wheat genome. The incorporation of novel resistance genes toward diseases and pests into the wheat genome is important in breeding for increased food security. Alien introgressions to wheat from e.g. rye and Aegilops spp. have also contributed to improved nutritional and functional quality. Recent studies have shown that introgressions to wheat of genes from chromosome 3 in rye have an impact on both yield, nutritional and functional quality, and quality stability during drought treatment, another character of high importance for food security under climate change scenarios. Additionally, the introgression of alien genes into wheat has the potential to improve the nutritional profiles of future food products, by contributing higher minerals levels or lower levels of anti-nutritional compounds into e.g., plant-based products substituting animal-based food alternatives. To conclude, the present review paper highlights great opportunities and shows a few examples of how food security and functional-nutritional quality in traditional and novel wheat products can be improved by the use of genes from alien sources, such as rye and other relatives to wheat. Novel and upcoming plant breeding methods such as genome-wide association studies, gene editing, genomic selection and speed breeding, have the potential to complement traditional technologies to keep pace with climate change and consumer eating habits.
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Affiliation(s)
- Eva Johansson
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Lomma, Sweden
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Hu X, Meng Z. An overview of edible foams in food and modern cuisine: Destabilization and stabilization mechanisms and applications. Compr Rev Food Sci Food Saf 2024; 23:e13284. [PMID: 38284578 DOI: 10.1111/1541-4337.13284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 11/26/2023] [Accepted: 11/30/2023] [Indexed: 01/30/2024]
Abstract
Foam, as a structured multi-scale colloidal system, is becoming increasingly popular in food because it gives a series of unique textures, structures, and appearances to foods while maintaining clean labels. Recently, developing green and healthy food-grade foaming agents, improving the stability of edible foams, and exploring the application of foam structures and new foaming agents have been the focus of foam systems. This review comprehensively introduces the destabilization mechanisms of foam and summarizes the main mechanisms controlling the foam stability and progress of different food-grade materials (small-molecular surfactants, biopolymers, and edible Pickering particles). Furthermore, the classic foam systems in food and modern cuisine, their applications, developments, and challenges are also underlined. Natural small-molecular surfactants, novel plant/microalgae proteins, and edible colloidal particles are the research hotspots of high-efficiency food-grade foam stabilizers. They have apparent differences in foam stability mechanisms, and each exerts its advantages. However, the development of foam stabilizers remains to be enriched compared with emulsions. Food foams are diverse and widely used, bringing unique enjoyment and benefit to consumers regarding sense, innovation, and health attributes. In addition to industrial inflatable foods, the foam foods in molecular gastronomy are also worthy of exploration. Moreover, edible foams may have greater potential in structured food design, 3D/4D printing, and controlled flavor release in the future. This review will provide a reference for the efficient development of functional inflatable foods and the advancement of foam technologies in modern cuisine.
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Affiliation(s)
- Xiangfang Hu
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Zong Meng
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
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Li Z, Lu F, Liu Y. A Review of the Mechanism, Properties, and Applications of Hydrogels Prepared by Enzymatic Cross-linking. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37390351 DOI: 10.1021/acs.jafc.3c01162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Hydrogels, as biological materials, are widely used in food, tissue engineering, and biomedical applications. Nevertheless, many issues remain in the preparation of hydrogels by physical and chemical methods, such as low bioaffinity, weak mechanical properties, and unstable structures, which also limit their applications in other fields. However, the enzymatic cross-linking method has the advantages of high catalytic efficiency, mild reaction conditions, and the presence of nontoxic substances. In this review, we evaluated the chemical, physical, and biological methods of preparing hydrogels and introduced three common cross-linking enzymes and their principles for preparing hydrogels. This review introduced the applications and properties of hydrogels prepared by the enzymatic method and also provided some suggestions regarding the current situation and future development of hydrogels prepared by enzymatic cross-linking.
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Affiliation(s)
- Ziyuan Li
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Fuping Lu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Yihan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, The College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
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Peng P, Wang X, Liao M, Zou X, Ma Q, Zhang X, Hu X. Effects of HMW-GSs at Glu-B1 locus on starch-protein interaction and starch digestibility during thermomechanical processing of wheat dough. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:2134-2145. [PMID: 36397183 DOI: 10.1002/jsfa.12340] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/30/2022] [Accepted: 11/18/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The composition of glutenin protein significantly affects protein-starch interactions and starch digestion characteristics in wheat dough matrices. To elucidate the effects of high molecular weight glutenin subunits at the Glu-B1 locus on dough processing quality, the detailed structural changes of protein, starch, and their complexes were compared in Mixolab dough samples of two near isogenic lines 7 + 8 and 7 + 9. RESULTS The results showed that the degree of protein aggregation increased continuously during dough processing, as did the destruction and rearrangement of the gluten network. Compared to 7 + 8, the stronger and more stable protein network formed in 7 + 9 dough induced intensive interactions between protein and starch, primarily through hydrogen bonds and isomeric glycosidic bonds. In 7 + 9 dough, the more compact and extensive protein-starch network significantly inhibited starch gelatinization during dough pasting, while during the dough cooling stage [from C4 (82.8 °C) to C5 (52.8 °C)], more protein-starch complexes composed of monomeric proteins and short-chain starch were generated, which remarkably inhibited starch retrogradation. All protein-starch interactions in the 7 + 9 dough improved the starch digestion resistance, as reflected by the high content of resistant starch. CONCLUSION The more extensive and intensive protein-starch interactions in the 7 + 9 dough inhibited the gelatinization and enzymatic hydrolysis of starch, thereby producing more slowly digestible starch and resistant starch. These findings demonstrate the feasibility of optimizing the texture and digestibility of wheat-based food products by regulating the behavior and interactions of proteins and starch during dough processing. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Pai Peng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Xiaolong Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Mei Liao
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Xiaoyang Zou
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Qianying Ma
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
| | - Xiaoke Zhang
- College of Agronomy, Northwest A&F University, Yangling, Shaanxi, China
| | - Xinzhong Hu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an, Shaanxi, China
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Sivakumar C, Findlay CRJ, Karunakaran C, Paliwal J. Non-destructive characterization of pulse flours-A review. Compr Rev Food Sci Food Saf 2023; 22:1613-1632. [PMID: 36880584 DOI: 10.1111/1541-4337.13123] [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: 09/20/2022] [Revised: 12/16/2022] [Accepted: 01/26/2023] [Indexed: 03/08/2023]
Abstract
The consumption of plant-based proteins sourced from pulses is sustainable from the perspective of agriculture, environment, food security, and nutrition. Increased incorporation of high-quality pulse ingredients into foods such as pasta and baked goods is poised to produce refined food products to satisfy consumer demand. However, a better understanding of pulse milling processes is required to optimize the blending of pulse flours with wheat flour and other traditional ingredients. A thorough review of the state-of-the-art on pulse flour quality characterization reveals that research is required to elucidate the relationships between the micro- and nanoscale structures of these flours and their milling-dependent properties, such as hydration, starch and protein quality, components separation, and particle size distribution. With advances in synchrotron-enabled material characterization techniques, there exist a few options that have the potential to fill knowledge gaps. To this end, we conducted a comprehensive review of four high-resolution nondestructive techniques (i.e., scanning electron microscopy, synchrotron X-ray microtomography, synchrotron small-angle X-ray scattering, and Fourier-transformed infrared spectromicroscopy) and a comparison of their suitability for characterizing pulse flours. Our detailed synthesis of the literature concludes that a multimodal approach to fully characterize pulse flours will be vital to predicting their end-use suitability. A holistic characterization will help optimize and standardize the milling methods, pretreatments, and post-processing of pulse flours. Millers/processors will benefit by having a range of well-understood pulse flour fractions to incorporate into food formulations.
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Affiliation(s)
- Chitra Sivakumar
- Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
| | | | | | - Jitendra Paliwal
- Biosystems Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
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Song J, Jiang L, Qi M, Li L, Xu M, Li Y, Zhang D, Wang C, Chen S, Li H. Study of ultrasonic treatment on the structural characteristics of gluten protein and the quality of steamed bread with potato pulp. ULTRASONICS SONOCHEMISTRY 2023; 92:106281. [PMID: 36586338 PMCID: PMC9816964 DOI: 10.1016/j.ultsonch.2022.106281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Physicochemical properties and microstructure of gluten protein, and the structural characteristics of steamed bread with 30 % potato pulp (SBPP) were investigated by ultrasonic treatments. Results showed that 400 W ultrasonic treatment significantly (P < 0.05) increased the combination of water and substrate in the dough with 30 % potato pulp (DPP). The contents of wet gluten, free sulfhydryl (SH), and disulfide bond (SS) were influenced by ultrasonic treatment. Moreover, UV-visible and fluorescence spectroscopy demonstrated that the conformation of gluten protein was changed by ultrasonic treatment (400 W). Fourier transform infrared (FT-IR) illustrated that the β-sheet content was significantly (P < 0.05) increased (42 %) after 400 W ultrasonic treatment, and the surface hydrophobicity of gluten protein in SBPP increased from 1225.37 (0 W ultrasonic treatment) to 4588.74 (400 W ultrasonic treatment). Ultrasonic treatment facilitated the generation of a continuous gluten network and stabilized crumb structure, further increased the specific volume and springiness of SBPP to 18.9 % and 6.9 %, respectively. Those findings suggested that ultrasonic treatment would be an efficient method to modify gluten protein and improve the quality of SBPP.
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Affiliation(s)
- Jialin Song
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Lijun Jiang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Mingming Qi
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Luxia Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Mei Xu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Yueming Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Dongliang Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Chenjie Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China
| | - Shanfeng Chen
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China.
| | - Hongjun Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No. 266 Xincun Road, Zhangdian District, Zibo, Shandong Province 255049, China.
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Song X, Sheng H, Zhou Y, Yu Y, He Y, Wang Z. Construction, expression, purification, characterization, and structural analysis of microbial transglutaminase variants. Biotechnol Appl Biochem 2022; 69:2486-2495. [PMID: 34894362 DOI: 10.1002/bab.2298] [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: 08/22/2021] [Accepted: 11/30/2021] [Indexed: 12/27/2022]
Abstract
Microbial transglutaminase (MTG, EC 2.3.2.13) derived from Streptomyces mobaraensis is widely used in the food and pharmaceutical industry because of its ability to synthesize isopeptide bonds between the proteinogenic side chains of glutamine and lysine. The half-life (t1/2 ) of the activated wild-type enzyme at 60°C is 2 min. To improve the activity and thermostability of MTG for higher temperature application, three variants (Mut1, Mut2, and Mut3) were obtained by combining key amino acid mutations on the basis of previous research results. The best variant Mut2 with a specific combination of five of seven substitutions (S2P-S23V-Y24N-R215A-H289Y) shows a 10-fold increased half-life at 60°C (t1/2 = 27.6 min), and a 2.4-fold increased specific enzyme activity (39.3 U/mg). As measured by circular dichroism, the curve of Mut2 was basically the same as that of MTG-WT. The structural simulation of Mut2 shows that the overall structure is discoid with a crack, but the crack openings are wider than that of MTG-WT. Furthermore, structural analysis of Mut2 showed that there were seven hydrogen bonds and one π-anion interaction between Mut2 and its adjacent amino acids, and the number of hydrogen bonds was one more than that of MTG-WT (six hydrogen bonds).
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Affiliation(s)
- Xiaoping Song
- Department of Pharmacy, Anhui Medical College, Hefei, China.,Anhui Engineering Research Center of Recombinant Protein Pharmaceutical Biotechnology, School of Life Science, University of Science and Technology of China, Hefei, China
| | - Hefang Sheng
- Department of Pharmacy, Anhui Medical College, Hefei, China
| | - Yueqiao Zhou
- Department of Pharmacy, Anhui Medical College, Hefei, China
| | - Yin Yu
- Department of Pharmacy, Anhui Medical College, Hefei, China.,Anhui Engineering Research Center of Recombinant Protein Pharmaceutical Biotechnology, School of Life Science, University of Science and Technology of China, Hefei, China
| | - Yingjiao He
- Department of Pharmacy, Anhui Medical College, Hefei, China
| | - Zihan Wang
- Department of Pharmacy, Anhui Medical College, Hefei, China.,Anhui Engineering Research Center of Recombinant Protein Pharmaceutical Biotechnology, School of Life Science, University of Science and Technology of China, Hefei, China
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Lama S, Kuzmenkova M, Vallenback P, Kuktaite R. Striving for Stability in the Dough Mixing Quality of Spring Wheat under the Influence of Prolonged Heat and Drought. PLANTS (BASEL, SWITZERLAND) 2022; 11:2662. [PMID: 36235528 PMCID: PMC9570727 DOI: 10.3390/plants11192662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/02/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
The effects of prolonged heat and drought stress and cool growing conditions on dough mixing quality traits of spring wheat (Triticum aestivum L.) were studied in fifty-six genotypes grown in 2017 and 2018 in southern Sweden. The mixing parameters evaluated by mixograph and the gluten protein characteristics studied by size exclusion high-performance liquid chromatography (SE-HPLC) in dough were compared between the two growing seasons which were very different in length, temperature and precipitation. The genotypes varying in gluten strength between the growing seasons (≤5%, ≤12%, and ≤17%) from three groups (stable (S), moderately stable (MS), and of varying stability (VS)) were studied. The results indicate that most of the mixing parameters were more strongly impacted by the interaction between the group, genotype, and year than by their individual contribution. The excessive prolonged heat and drought did not impact the buildup and mixing time expressed as peak time and time 1-2. The gluten polymeric proteins (unextractable, %UPP; total unextractable, TOTU) and large unextractable monomeric proteins (%LUMP) were closely associated with buildup and water absorption in dough. Major significant differences were found in the dough mixing parameters between the years within each group. In Groups S and MS, the majority of genotypes showed the smallest variation in the dough mixing parameters responsible for the gluten strength and dough development between the years. The mixing parameters such as time 1-2, buildup, and peak time (which were not affected by prolonged heat and drought stress) together with the selected gluten protein parameters (%UPP, TOTU, and %LUMP) are essential components to be used in future screening of dough mixing quality in wheat in severe growing environments.
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Affiliation(s)
- Sbatie Lama
- Department of Plant Breeding, Swedish University of Agricultural Sciences (Alnarp), SE-234 22 Lomma, Sweden
| | - Marina Kuzmenkova
- Department of Plant Breeding, Swedish University of Agricultural Sciences (Alnarp), SE-234 22 Lomma, Sweden
| | | | - Ramune Kuktaite
- Department of Plant Breeding, Swedish University of Agricultural Sciences (Alnarp), SE-234 22 Lomma, Sweden
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Kuktaite R, Repo-Carrasco-Valencia R, de Mendoza CC, Plivelic TS, Hall S, Johansson E. Innovatively processed quinoa (Chenopodium quinoa Willd.) food: chemistry, structure and end-use characteristics. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:5065-5076. [PMID: 33709442 DOI: 10.1002/jsfa.11214] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/12/2021] [Accepted: 03/12/2021] [Indexed: 05/20/2023]
Abstract
BACKGROUND Quinoa (Chenopodium quinoa Willd.) flour and processed traditional Peruvian quinoa breakfast foods were studied to evaluate the effect of extrusion and post-processing on protein properties, morphology and nutritional characteristics (amino acids and dietary fibers). RESULTS The extrusion increased quinoa protein crosslinking and aggregation observed by size exclusion high-performance liquid chromatography and the amount of soluble fibers, as well as decreasing the amounts of insoluble fibers in the processed foods. The post-processing drying resulted in additional crosslinking of large protein fractions in the quinoa products. The microstructure of the extruded quinoa breakfast flakes and heat-post-processed samples studied by scanning electron microscopy and X-ray tomography differed greatly; post-drying induced formation of aerated protein microstructures in the heat-treated samples. Nanostructures revealed by small-angle and wide-angle X-ray scattering indicated that extrusion imparted morphological changes in the quinoa protein and starch (dominance of V-type). Overall, extrusion processing only reduced the content of most of the essential amino acids to a minor extent; the content of valine and methionine was reduced to a slightly greater extent, but the final products met the requirements of the Food and Drug Organization. CONCLUSION This study presents innovative examples on how extrusion processing and post-processing heat treatment can be used to produce attractive future food alternatives, such as breakfast cereal flakes and porridge powder, from quinoa grains. Extrusion of quinoa flour into Peruvian foods was shown to be mostly impacted by the processing temperature and processing conditions used. Protein crosslinking increased due to extrusion and post-processing heating. Starch crystallinity decreased most when the product was dried after processing. © 2021 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Ramune Kuktaite
- Department of Plant Breeding, Swedish University of Agricultural Sciences (SLU Alnarp), Lomma, Sweden
| | | | - Cesar Ch de Mendoza
- CIINCA (Center of Innovation for Andean Grains) Universidad Nacional Agraria La Molina, Lima, Peru
| | | | - Stephen Hall
- Division of Solid Mechanics, Lund University, Lund, Sweden
- Lund Institute of Advanced Neutron and X-ray Science (LINXS), Lund, Sweden
| | - Eva Johansson
- Department of Plant Breeding, Swedish University of Agricultural Sciences (SLU Alnarp), Lomma, Sweden
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Muneer F, Hedenqvist MS, Hall S, Kuktaite R. Innovative Green Way to Design Biobased Electrospun Fibers from Wheat Gluten and These Fibers’ Potential as Absorbents of Biofluids. ACS ENVIRONMENTAL AU 2022; 2:232-241. [PMID: 37102143 PMCID: PMC10125173 DOI: 10.1021/acsenvironau.1c00049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this study, a new method was developed to successfully design sustainable microfibers from wheat gluten proteins using a nonreducing solvent and electrospinning. We explored the morphology by X-ray tomography, scanning electron microscopy (SEM), and confocal laser scanning microscopy (CLSM), protein chemistry and cross-linking by size exclusion-high-performance liquid chromatography (SE-HPLC), and secondary structure by Fourier transform infrared spectroscopy (FT-IR) of fibers containing 15 and 20% of gluten. The impact of heat (130 °C) post-treatment on the polymerization properties of fibers and their absorption performance in different biofluids were also evaluated. The fibers with 20% gluten showed a uniform architecture supported by a relatively stronger fibrous network as compared to irregular and brittle fibers from 15% gluten. Heat treatment of fibers increased the protein cross-linking in all electrospun fibers as compared to the non-heat-treated fibers, as evidenced by SE-HPLC. An increase in the amount of α-helices and random coils was observed in the proteins of all of the heat-treated fibers compared to the nontreated fibers by FT-IR. This suggested that the heat treatment contributed positively to the gluten protein's chemical rearrangements, e.g., aggregation, new hydrogen and isopeptide bonding, and conversion of some of the sulfhydryl groups into disulfide cross-links, contributing positively to the functional performance. The heat-treated electrospun fibers with 20% gluten showed a very attractive blood absorption capacity (323%) and reasonable stability in phosphate-buffered saline (PBS) buffer compared to 15% gluten fibers and non-heat-treated fibers. Cotton-like fiber architecture, high blood absorption capacity, and reasonable stability in PBS buffer are properties desired for absorbents of biofluids and should be further explored in healthcare and medical applications.
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Affiliation(s)
- Faraz Muneer
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Box 190, SE-23422 Lomma, Sweden
| | - Mikael S. Hedenqvist
- Fiber and Polymer Technology Department, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Stephen Hall
- Solid Mechanics, Lund Institute of Advanced Neutron and X-ray Science (LINXS), Lund University, Box
117, SE-221 00 Lund, Sweden
| | - Ramune Kuktaite
- Department of Plant Breeding, Swedish University of Agricultural Sciences, Box 190, SE-23422 Lomma, Sweden
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13
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Lama S, Vallenback P, Hall SA, Kuzmenkova M, Kuktaite R. Prolonged heat and drought versus cool climate on the Swedish spring wheat breeding lines: Impact on the gluten protein quality and grain microstructure. Food Energy Secur 2022. [DOI: 10.1002/fes3.376] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Sbatie Lama
- Department of Plant Breeding Swedish University of Agricultural Sciences Lomma Sweden
| | | | - Stephen A. Hall
- Division of Solid Mechanics Lund University Lund Sweden
- Lund Institute of advanced Neutron and X‐ray Science (LINXS) Lund Sweden
| | - Marina Kuzmenkova
- Department of Plant Breeding Swedish University of Agricultural Sciences Lomma Sweden
| | - Ramune Kuktaite
- Department of Plant Breeding Swedish University of Agricultural Sciences Lomma Sweden
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Tang T, Liu J, Tang S, Xiao N, Jiang Y, Tu Y, Xu M. Effects of soy peptides and pH on foaming and physicochemical properties of egg white powder. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Applications of Plant Polymer-Based Solid Foams: Current Trends in the Food Industry. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11209605] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Foams are a type of material of great importance, having an extensive range of applications due to a combination of several characteristics, such as ultra-low density, tunable porous architecture, and outstanding mechanical properties. The production of polymer foams worldwide is dominated by those based on synthetic polymers, which might be biodegradable or non-biodegradable. The latter is a great environmental concern and has become a major waste management problem. Foams derived from renewable resources have aroused the interest of researchers, solid foams made from plant polymers in particular. This review focuses on the development of plant polymer-based solid foams and their applications in the food industry over the last fifteen years, highlighting the relationship between their material and structural properties. The applications of these foams fall mainly into two categories: edible foams and packaging materials. Most plant polymers utilized for edible applications are protein-based, while starch and cellulose are commonly used to produce food packaging materials because of their ready availability and low cost. However, plant polymer-based solid foams exhibit some drawbacks related to their high water absorbency and poor mechanical properties. Most research has concentrated on improving these two physical properties, though few studies give a solid understanding and comprehension of the micro- to macrostructural modifications that would allow for the proper handling and design of foaming processes. There are, therefore, several challenges to be faced, the control of solid foam structural properties being the main one.
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Cryoprotective effects of silver carp muscle hydrolysate on frozen dough subjected to multiple freeze–thaw cycles and their underlying mechanisms. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-01127-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Capezza AJ, Muneer F, Prade T, Newson WR, Das O, Lundman M, Olsson RT, Hedenqvist MS, Johansson E. Acylation of agricultural protein biomass yields biodegradable superabsorbent plastics. Commun Chem 2021; 4:52. [PMID: 36697586 PMCID: PMC9814733 DOI: 10.1038/s42004-021-00491-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 03/16/2021] [Indexed: 01/28/2023] Open
Abstract
Superabsorbent polymers (SAP) are a central component of hygiene and medical products requiring high liquid swelling, but these SAP are commonly derived from petroleum resources. Here, we show that sustainable and biodegradable SAP can be produced by acylation of the agricultural potato protein side-stream (PPC) with a non-toxic dianhydride (EDTAD). Treatment of the PPC yields a material with a water swelling capacity of ca. 2400%, which is ten times greater than the untreated PPC. Acylation was also performed on waste potato fruit juice (PFJ), i.e. before the industrial treatment to precipitate the PPC. The use of PFJ for the acylation implies a saving of 320 000 tons as CO2 in greenhouse gas emissions per year by avoiding the industrial drying of the PFJ to obtain the PPC. The acylated PPC shows biodegradation and resistance to mould growth. The possibilities to produce a biodegradable SAP from the PPC allows for future fabrication of environment-friendly and disposable daily-care products, e.g. diapers and sanitary pads.
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Affiliation(s)
- Antonio J. Capezza
- grid.5037.10000000121581746Fibre and Polymer Technology Department, KTH Royal Institute of Technology, Stockholm, Sweden ,Plant Breeding Department, SLU Alnarp, Lomma, Sweden
| | - Faraz Muneer
- Plant Breeding Department, SLU Alnarp, Lomma, Sweden
| | - Thomas Prade
- Biosystems and Technology Department, SLU Alnarp, Lomma, Sweden
| | | | - Oisik Das
- grid.6926.b0000 0001 1014 8699Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering Division, Luleå University of Technology, Luleå, Sweden
| | | | - Richard T. Olsson
- grid.5037.10000000121581746Fibre and Polymer Technology Department, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Mikael S. Hedenqvist
- grid.5037.10000000121581746Fibre and Polymer Technology Department, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Eva Johansson
- Plant Breeding Department, SLU Alnarp, Lomma, Sweden
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18
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Pourmohammadi K, Abedi E. Enzymatic modifications of gluten protein: Oxidative enzymes. Food Chem 2021; 356:129679. [PMID: 33827045 DOI: 10.1016/j.foodchem.2021.129679] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 03/14/2021] [Accepted: 03/19/2021] [Indexed: 02/07/2023]
Abstract
Oxidative enzymes treat weak flours in order to restore the gluten network of damaged wheat flour and reduce the economic and technological losses. The present review concentrates on oxidative exogenous enzymes (transglutaminase, laccase, glucose oxidase, hexose oxidase) and oxidative endogenous enzymes (tyrosinase, peroxidase, catalase, sulfhydryl oxidase, lipoxygenase, lipase, protein disulfide isomerase, NAD(P)H-dependent dehydrogenase, thioredoxin reductase and glutathione reductase) and their effects on the rheological, functional, and conformational features of gluten and its subunits. Overall, transglutaminase is used in wheat-based foods through introducing isopeptide bonds (ε-γ glutamyl-lysine). Glucose oxidase, hexose oxidase, peroxidase, sulfhydryl oxidase, lipase, and lipoxygenase form disulfide and nondisulfide bonds through producing hydrogen peroxide. Laccase, tyrosinase, and protein disulfide isomerase form cross-links between tyrosine and cysteine residues by generating radicals. Thioredoxin reductase and glutathione reductase create new inter disulfide bonds. The effect of oxidative enzymes on the formation of covalent cross-linkages were substantially more than non-covalent bonds in gluten structure.
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Affiliation(s)
- Kiana Pourmohammadi
- Department of Food Science and Technology, College of Agriculture, Fasa University, Fasa, Iran.
| | - Elahe Abedi
- Department of Food Science and Technology, College of Agriculture, Fasa University, Fasa, Iran.
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19
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Ceresino EB, Johansson E, Sato HH, Plivelic TS, Hall SA, Bez J, Kuktaite R. Lupin Protein Isolate Structure Diversity in Frozen-Cast Foams: Effects of Transglutaminases and Edible Fats. Molecules 2021; 26:1717. [PMID: 33808718 PMCID: PMC8003408 DOI: 10.3390/molecules26061717] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 12/25/2022] Open
Abstract
This study addresses an innovative approach to generate aerated foods with appealing texture through the utilization of lupin protein isolate (LPI) in combination with edible fats. We show the impact of transglutaminases (TGs; SB6 and commercial), glycerol (Gly), soy lecithin (Lec) and linoleic acid (LA) on the micro- and nanostructure of health promoting solid foods created from LPI and fats blends. 3-D tomographic images of LPI with TG revealed that SB6 contributed to an exceptional bubble spatial organization. The inclusion of Gly and Lec decreased protein polymerization and also induced the formation of a porous layered material. LA promoted protein polymerization and formation of homogeneous thick layers in the LPI matrix. Thus, the LPI is a promising protein resource which when in blend with additives is able to create diverse food structures. Much focus has been placed on the great foamability of LPI and here we show the resulting microstructure of LPI foams, and how these were improved with addition of TGs. New food applications for LPI can arise with the addition of food grade dispersant Lec and essential fatty-acid LA, by improved puffiness, and their contributing as replacer of chemical leavening additives in gluten-free products.
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Affiliation(s)
- Elaine Berger Ceresino
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 190, SE-234 22 Lomma, Sweden;
| | - Eva Johansson
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 190, SE-234 22 Lomma, Sweden;
| | - Hélia Harumi Sato
- Department of Food Science, School of Food Engineering, University of Campinas, São Paulo, SP 13083-862, Brazil;
| | - Tomás S. Plivelic
- MAX IV Laboratory, Lund University, Box 118, SE-221 00 Lund, Sweden;
| | - Stephen A. Hall
- Department of Solid Mechanics, Lund University, Box 118, SE-221 00 Lund, Sweden;
| | - Jürgen Bez
- Fraunhofer Institute for Process Engineering and Packaging, Giggenhauser Str. 35, D-85354 Freising, Germany;
| | - Ramune Kuktaite
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 190, SE-234 22 Lomma, Sweden;
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20
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Mattice KD, Marangoni AG. Physical properties of zein networks treated with microbial transglutaminase. Food Chem 2021; 338:128010. [PMID: 32932084 DOI: 10.1016/j.foodchem.2020.128010] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 09/01/2020] [Accepted: 09/01/2020] [Indexed: 12/15/2022]
Abstract
Potential improvements to the physical properties of brittle, self-assembled zein networks through microbial transglutaminase crosslinking were investigated. The formation of crosslinked heteropolymers was also explored with networks containing zein and either soy or pea protein isolates as supplemented lysine sources. The observed SDS-PAGE bands did not show any evidence of zein crosslinking. Soy and pea isolates underwent extensive crosslinking on their own, but heteropolymers were not observed in multiprotein networks with zein. Despite the lack of crosslinking observed, rheological and textural analysis revealed that the enzymatic treatment of zein produced a weaker, more brittle structure. With no significant changes in secondary structure, determined through FTIR, the observed behaviour was primarily attributed to glutamine deamidation by microbial transglutaminase in the absence of sufficient lysine through changes to the hydrophobicity of the protein such that non-covalent bonding within network was modified.
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Affiliation(s)
- Kristin D Mattice
- Department of Food Science, University of Guelph, 50 Stone Road E, Guelph, Ontario N1G 2W1, Canada.
| | - Alejandro G Marangoni
- Department of Food Science, University of Guelph, 50 Stone Road E, Guelph, Ontario N1G 2W1, Canada.
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21
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Ceresino EB, Kuktaite R, Hedenqvist MS, Sato HH, Johansson E. Processing conditions and transglutaminase sources to “drive” the wheat gluten dough quality. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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