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Du C, Zhu S, Li Y, Yang T, Huang D. Selenium-enriched yeast, a selenium supplement, improves the rheological properties and processability of dough: From the view of yeast metabolism and gluten alteration. Food Chem 2024; 458:140256. [PMID: 38959802 DOI: 10.1016/j.foodchem.2024.140256] [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: 03/12/2024] [Revised: 06/12/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
This study investigated the effect mechanism of selenium (Se)-enriched yeast on the rheological properties of dough from the perspective of yeast metabolism and gluten alteration. As the yeast Se content increased, the gas production rate of Se-enriched yeast slowed down, and dough viscoelasticity decreased. The maximum creep of Se-enriched dough increased by 29%, while the final creep increased by 54%, resulting in a softer dough. Non-targeted metabolomics analyses showed that Se inhibited yeast energy metabolism and promoted the synthesis of stress-resistance related components. Glutathione, glycerol, and linoleic acid contributed to the rheological property changes of the dough. The fractions and molecular weight distribution of protein demonstrated that the increase in yeast Se content resulted in the depolymerization of gluten. The intermolecular interactions, fluorescence spectrum and disulfide bond analysis showed that the disruption of intermolecular disulfide bond induced by Se-enriched yeast metabolites played an important role in the depolymerization of gluten.
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Affiliation(s)
- Chaodong Du
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Song Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Yue Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Tian Yang
- Analysis and Testing Center, Jiangnan University, Wuxi 214122, China
| | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, 117542, Singapore
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2
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Liu X, Zhu X, Zhu Y, Wang C, Li H, Chen S. Effect of cellulase on dough structure and quality characteristics of tough biscuits enriched with potato whole flour. J Food Sci 2024; 89:3484-3493. [PMID: 38685867 DOI: 10.1111/1750-3841.17091] [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: 11/07/2023] [Revised: 03/25/2024] [Accepted: 04/09/2024] [Indexed: 05/02/2024]
Abstract
Potato whole flour is a promising way to improve the nutrition of tough biscuits, while its gluten-free characteristic was difficult to form acceptable texture properties. In this study, cellulase was used to degrade the cellulose in dough enriched with potato whole flour, so as to mitigate the interference of cellulose with the gluten network, resulting in forming the potato whole flour biscuit with great characteristics. Results indicated that cellulase within 0.2% led to the gradually reduced G' and G'' values of dough from 5.50×104 to 4.00×104 and 2.66×104 to 1.35×104, respectively. Cellulase at 0.2% resulted in the significantly increased tensile properties of the dough compared to the control. The incorporation of cellulase within 0.2% also led to the tightly ordered and intact network structure base on the results of SEM, disulfide bonds determination and FTIR. Those results indicated that cellulase was beneficial to improve the baking quality of dough, which was conductive to form tough biscuit with great characteristics. The hardness, crunchiness, crispness and specific volume analysis results confirmed that 0.2% cellulase resulted in the significantly decreased hardness by 45.25% and the significantly increased specific volume, crunchiness and crispness by 24.74%, 121.20% and 156.47%, respectively. Overall, cellulase ultimately improved the quality of the biscuits by improving the properties and structure of the dough. It was of great significance for the utilization of potato whole flour resources and the industrial production of its tough biscuits. PRACTICAL APPLICATION: The results showed that inclusion of cellulase led to the reduced hardness and increased crunchiness, crispness, and specific volume of potato whole flour tough biscuits. Cellulase could be used as a potential improver of tough biscuits. This study will provide guidance for practical uses of cellulase in improving potato whole flour dough and tough biscuit quality.
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Affiliation(s)
- Xinhua Liu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Xiao Zhu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Ying Zhu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Chenjie Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Hongjun Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
| | - Shanfeng Chen
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
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3
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Li T, Huang J, Yu J, Tian X, Zhang C, Pu H. Effects of soaking glutinous sorghum grains on physicochemical properties of starch. Int J Biol Macromol 2024; 267:131522. [PMID: 38614175 DOI: 10.1016/j.ijbiomac.2024.131522] [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: 10/15/2023] [Revised: 01/26/2024] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
Glutinous sorghum grains were soaked (60-80 °C, 2-8 h) to explore the effects of soaking, an essential step in industrial processing of brewing, on starch. As the soaking temperature increased, the peak viscosity and crystallinity of starch gradually decreased, while the enzymatic hydrolysis rate and storage modulus first increased and then decreased. At 70 °C, the content of amylose, the enzymatic hydrolysis rate of starch, and the final viscosity first increase and then decrease with the increase of soaking time, reaching their maximum at 6 h, increased by 53.1 %, 11.0 %, and 10.4 %, respectively, as compared with the non-soaked sample. At 80 °C (4 h), the laser confocal microscopy images showed a network structure formed between the denatured protein chains and the leached-out amylose chains. The molecular weights of starch before and after soaking were all in the range of 3.82-8.98 × 107 g/mol. Since 70 °C is lower than that of starch gelatinization and protein denaturation, when soaking for 6 h, the enzymatic hydrolysis rate of starch is the highest, and the growth of miscellaneous bacteria is inhibited, which is beneficial for subsequent processing technology. The result provides a theoretical basis for the intelligent control of glutinous sorghum brewing.
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Affiliation(s)
- Tao Li
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Junrong Huang
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China.
| | - Jing Yu
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Xiaodong Tian
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Chong Zhang
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Huayin Pu
- School of Food Science and Engineering, Natural Food Macromolecule Research Center, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
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Luque V, Crespo-Escobar P, Hård Af Segerstad EM, Koltai T, Norsa L, Roman E, Vreugdenhil A, Fueyo-Díaz R, Ribes-Koninckx C. Gluten-free diet for pediatric patients with coeliac disease: A position paper from the ESPGHAN gastroenterology committee, special interest group in coeliac disease. J Pediatr Gastroenterol Nutr 2024; 78:973-995. [PMID: 38291739 DOI: 10.1002/jpn3.12079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/10/2023] [Accepted: 08/20/2023] [Indexed: 02/01/2024]
Abstract
BACKGROUND AND OBJECTIVE Coeliac disease is a chronic, immune-mediated disorder for which the only treatment consists of lifelong strict adherence to gluten-free diet (GFD). However, there is a lack of evidence-based guidelines on the GFD dietary management of coeliac disease. This position paper, led by the Special Interest Group in coeliac disease of the European Society of Pediatric, Gastroenterology Hepatology, and Nutrition, supported by the Nutrition Committee and the Allied Health Professionals Committee, aims to present evidence-based recommendations on the GFD as well as how to support dietary adherence. METHODS A wide literature search was performed using the MeSH Terms: "diet, gluten free," "gluten-free diet," "diets, gluten-free," "gluten free diet," and "coeliac disease" in Pubmed until November 8th, 2022. RESULTS The manuscript provides an overview of the definition of the GFD, regulations as basis to define the term "gluten-free," which foods are naturally gluten-free and gluten-containing. Moreover, it provides recommendations and educational tips and infographics on suitable food substitutes, the importance of reading food labels, risk of gluten cross-contact at home and in public settings, nutritional considerations as well as factors associated to dietary adherence based on available evidence, or otherwise clinical expertise. CONCLUSIONS This position paper provides guidance and recommendations to support children with coeliac disease to safely adhere to a GFD.
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Affiliation(s)
- Veronica Luque
- Serra Húnter, Universitat Rovira i Virgili, Reus, Spain
- Paediatric Nutrition and Development Research Unit, IISPV, Reus, Spain
| | - Paula Crespo-Escobar
- Health Sciences Department, ADVISE Research Group, Miguel de Cervantes European University, Valladolid, Spain
- Nutrition and Dietetics Unit, Hospital Recoletas Campo Grande, Valladolid, Spain
| | - Elin M Hård Af Segerstad
- Paediatric Department, Skane University Hospital, Malmoe, Sweden
- Department of Clinical Sciences, Celiac Disease and Diabetes Unit, Faculty of Medicine, Lund University, Malmoe, Sweden
| | - Tunde Koltai
- Direction Board, Association of European Coeliac Societies, Brussels, Belgium
| | - Lorenzo Norsa
- Paediatric Hepatology, Gastroenterology and Transplantation, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Enriqueta Roman
- Paediatric Gastroenterology and Nutrition, Hospital Universitario Puerta de Hierro, Majadahonda, Spain
| | - Anita Vreugdenhil
- Department of Pediatrics, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Ricardo Fueyo-Díaz
- Department of Psychology and Sociology, Aragonese Primary Care Research Group (GAIAP, B21_20R), University of Zaragoza, Zaragoza, Spain
| | - Carmen Ribes-Koninckx
- Paediatric Gastroenterology, Hepatology and Nutrition, La Fe University Hospital & La Fe Research Institute, Valencia, Spain
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Li M, Li L, Sun B, Ma S. Interaction of wheat bran dietary fiber-gluten protein affects dough product: A critical review. Int J Biol Macromol 2024; 255:128199. [PMID: 37979754 DOI: 10.1016/j.ijbiomac.2023.128199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/05/2023] [Accepted: 11/15/2023] [Indexed: 11/20/2023]
Abstract
Wheat bran dietary fiber (WBDF) is an emerging food additive used for improving the nutritional value of dough products, albeit its adverse effects cannot be ignored. The dilution effect, mechanical shear effect, competitive water absorption, and steric hindrance of WBDF, as well as the non-covalent binding between WBDF and gluten protein, are considered the key mechanisms underlying the WBDF-gluten protein interaction. However, current studies on the interaction are mostly limited to the impact of the interaction on gluten protein and are rarely focused on the quality of products. Therefore, the effects of the interaction on the structural characteristics and aggregation behavior of gluten protein and multiple involved mechanisms are discussed in this review. On this basis, these changes are systematically related to the gluten network structure, dough properties, and product quality. Mitigation measures corresponding to negative impacts also need to be elaborated to guide and standardize the production and development of dough products containing WBDF.
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Affiliation(s)
- Mengyuan Li
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan, China
| | - Li Li
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan, China
| | - Binghua Sun
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan, China
| | - Sen Ma
- College of Food Science and Engineering, Henan University of Technology, Zhengzhou, Henan, China.
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Ye L, Zheng W, Li X, Han W, Shen J, Lin Q, Hou L, Liao L, Zeng X. The Role of Gluten in Food Products and Dietary Restriction: Exploring the Potential for Restoring Immune Tolerance. Foods 2023; 12:4179. [PMID: 38002235 PMCID: PMC10670377 DOI: 10.3390/foods12224179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/26/2023] Open
Abstract
Wheat is extensively utilized in various processed foods due to unique proteins forming from the gluten network. The gluten network in food undergoes morphological and molecular structural changes during food processing, affecting the final quality and digestibility of the food. The present review introduces the formation of the gluten network and the role of gluten in the key steps of the production of several typical food products such as bread, pasta, and beer. Also, it summarizes the factors that affect the digestibility of gluten, considering that different processing conditions probably affect its structure and properties, contributing to an in-depth understanding of the digestion of gluten by the human body under various circumstances. Nevertheless, consumption of gluten protein may lead to the development of celiac disease (CD). The best way is theoretically proposed to prevent and treat CD by the inducement of oral tolerance, an immune non-response system formed by the interaction of oral food antigens with the intestinal immune system. This review proposes the restoration of oral tolerance in CD patients through adjunctive dietary therapy via gluten-encapsulated/modified dietary polyphenols. It will reduce the dietary restriction of gluten and help patients achieve a comprehensive dietary intake by better understanding the interactions between gluten and food-derived active products like polyphenols.
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Affiliation(s)
- Li Ye
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Wenyu Zheng
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xue Li
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Wenmin Han
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Jialing Shen
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Qiuya Lin
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Liyan Hou
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Lan Liao
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
| | - Xin’an Zeng
- Guangdong Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; (L.Y.); (W.Z.); (X.L.); (W.H.); (J.S.); (Q.L.); (L.H.)
- Department of Food Science, Foshan University, Foshan 528000, China
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
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7
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Yang H, Li Y, Zhao J, Chen Z, Huang X, Fan G. Regulating the composition and secondary structure of wheat protein through canopy shading to improve dough performance and nutritional index. Food Res Int 2023; 173:113399. [PMID: 37803737 DOI: 10.1016/j.foodres.2023.113399] [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: 05/03/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 10/08/2023]
Abstract
Viscoelastic properties of gluten proteins critically determine the biscuit-making quality. However, cultivar genetics and light conditions closely regulate the composition of the gluten proteins. The impact of pre- and post-anthesis shading (60 %) on amino acid profile, gluten protein composition, secondary structure, dough performance, and biscuit-making quality were evaluated using four wheat cultivars that differ in gluten protein composition. Pre- and post-anthesis shading increased the contents of gliadin, by 35.8 and 3.1 %; glutenin, by 27.6 and 7.3 %; and total protein, by 21.7 and 10.6 %, respectively, compared with those of unshaded plants. Conversely, the ratios of glutenin/gliadin, ω-/(α,β + γ)-gliadin, and high-molecular-weight/low-molecular-weight glutenin subunits decreased with shading. Strong-gluten cultivars exhibited smaller declines in these parameters than weak-gluten cultivars. Secondary structure analysis of the wheat protein revealed that shading increased β-sheet content but decreased β-turn content. Changes in protein components and their secondary structures caused an increase in wet gluten content, dough development time, and gluten performance index, thereby decreasing the biscuit spread ratio. Shading stress increased the protein content and nutrition index but decreased the biological value of protein by 2.5 %. Transcriptomic results revealed that shading induced 139 differentially expressed genes that decreased carbohydrate metabolism and increased amino acid metabolism, involved in increased protein content. Thus, canopy shading improves dough performance and nutrition index by regulating the amino acid profiles, protein compositions, and secondary structures. The study provides key insights for achieving superior grain quality under global dimming.
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Affiliation(s)
- Hongkun Yang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Ministry of Science and Technology, Chengdu 611130, Sichuan, China
| | - Yong Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Ministry of Science and Technology, Chengdu 611130, Sichuan, China
| | - Jiarong Zhao
- Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Zongkui Chen
- Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Xiulan Huang
- Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China
| | - Gaoqiong Fan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Ministry of Science and Technology, Chengdu 611130, Sichuan, China; Key Laboratory of Crop Ecophysiology & Farming System in Southwest China, Ministry of Agriculture and Rural Affairs, Chengdu 611130, Sichuan, China; Crop Ecophysiology and Cultivation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, Sichuan, China.
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8
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Li M, Zhang Y, You X, Wang Y, Zhou K, Wei P, Wei L. Assessment of Functional Properties of Wheat-Cassava Composite Flour. Foods 2023; 12:3585. [PMID: 37835238 PMCID: PMC10572405 DOI: 10.3390/foods12193585] [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: 09/04/2023] [Revised: 09/17/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Cassava flour (CF) was used as a raw material to replace wheat flour (WF) at levels of 0% (control), 10%, 20%, 30%, 40%, and 50% to prepare wheat-cassava composite flour (W-CF) and dough. The effects of different CF substituting levels on the functional properties of the W-CF and dough were investigated. The results show that an increase in CF led to a decrease in the moisture, protein, fat, and b* values of W-CF. The crude fiber, ash, starch, L*, a* values, iodine blue value (IBV), and swelling power (SP) of the composite flour increased gradually. It was found that the water absorption, hardness, and chewiness of the W-CF dough increased with an increase in the CF substitution level. A different trend could be observed with the springiness and cohesiveness of the W-CF dough. The resistance to extension, extensibility, and the extended area of the W-CF dough at all substitution levels was significantly lower than that of the WF dough. The elasticity and cohesiveness of the dough tended to increase for CF content from 10% to 30%, followed by a decrease at a higher replacement. Pearson correlation analysis indicated that the substitution levels of CF had a significant influence on the proximate analysis and functional properties of the W-CF and dough. This study will provide important information on choosing CF substitution levels for different products.
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Affiliation(s)
- Mingjuan Li
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Yayuan Zhang
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Xiangrong You
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Ying Wang
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Kui Zhou
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Ping Wei
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
| | - Linyan Wei
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, China; (M.L.)
- Guangxi Key Laboratory of Fruits and Vegetables Storage-Processing Technology, Nanning 530007, China
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9
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Guo L, Chen H, Zhang Y, Yan S, Chen X, Gao X. Starch granules and their size distribution in wheat: Biosynthesis, physicochemical properties and their effect on flour-based food systems. Comput Struct Biotechnol J 2023; 21:4172-4186. [PMID: 37675285 PMCID: PMC10477758 DOI: 10.1016/j.csbj.2023.08.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 09/08/2023] Open
Abstract
Starch is a vital component of wheat grain and flour, characterized by two distinct granule types: A-type starch (AS) with granules larger than 10 µm in diameter, and B-type starch (BS) with granules measuring no more than 10 µm in diameter. This review comprehensively evaluates the isolation, purification, and biosynthesis processes of these types of granules. In addition, a comparative analysis of the structure and properties of AS and BS is presented, encompassing chemical composition, molecular, crystalline and morphological structures, gelatinization, pasting and digestive properties. The variation in size distribution of granules leads to differences in physicochemical properties of starch, influencing the formation of polymeric proteins, secondary and micro-structures of gluten, chemical and physical interactions between gluten and starch, and water absorption and water status in dough system. Thus, starch size distribution affects the quality of dough and final products. In this review, we summarize the up-to-date knowledge of AS and BS, and propose the possible strategies to enhance wheat yield and quality through coordinated breeding efforts. This review serves as a valuable reference for future advancements in wheat breeding.
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Affiliation(s)
- Lei Guo
- Shandong Academy of Agricultural Sciences / National Engineering Research Center of Wheat and Maize/ Key Laboratory of Wheat Biology and Genetic Improvement in North Yellow & Huai River Valley, Ministry of Agriculture / Shandong Provincial Technology Innovation Center for Wheat, Jinan, Shandong 250100, China
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Heng Chen
- Shandong Academy of Agricultural Sciences / National Engineering Research Center of Wheat and Maize/ Key Laboratory of Wheat Biology and Genetic Improvement in North Yellow & Huai River Valley, Ministry of Agriculture / Shandong Provincial Technology Innovation Center for Wheat, Jinan, Shandong 250100, China
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yizhi Zhang
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Shuai Yan
- Shandong Academy of Agricultural Sciences / National Engineering Research Center of Wheat and Maize/ Key Laboratory of Wheat Biology and Genetic Improvement in North Yellow & Huai River Valley, Ministry of Agriculture / Shandong Provincial Technology Innovation Center for Wheat, Jinan, Shandong 250100, China
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xueyan Chen
- Shandong Academy of Agricultural Sciences / National Engineering Research Center of Wheat and Maize/ Key Laboratory of Wheat Biology and Genetic Improvement in North Yellow & Huai River Valley, Ministry of Agriculture / Shandong Provincial Technology Innovation Center for Wheat, Jinan, Shandong 250100, China
| | - Xin Gao
- Shandong Academy of Agricultural Sciences / National Engineering Research Center of Wheat and Maize/ Key Laboratory of Wheat Biology and Genetic Improvement in North Yellow & Huai River Valley, Ministry of Agriculture / Shandong Provincial Technology Innovation Center for Wheat, Jinan, Shandong 250100, China
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10
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Zhang X, Blennow A, Jekle M, Zörb C. Climate-Nutrient-Crop Model: Novel Insights into Grain-Based Food Quality. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37384408 DOI: 10.1021/acs.jafc.3c01076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
Mineral nutrients spatiotemporally participate in the biosynthesis and accumulation of storage biopolymers, which directly determines the harvested grain yield and quality. Optimizing fertilizer nutrient availability improves the grain yield, but quality aspects are often underestimated. We hypothesize that extensive mineral nutrients have significant effects on the biosynthesis, content, and composition of storage proteins, ultimately determining physicochemical properties and food quality, particularly in the context of climate change. To investigate this, we hierarchized 16 plant mineral nutrients and developed a novel climate-nutrient-crop model to address the fundamental question of the roles of protein and starch in grain-based food quality. Finally, we recommend increasing the added value of mineral nutrients as a socioeconomic strategy to enhance agro-food profitability, promote environmental sustainability, and improve climate resilience.
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Affiliation(s)
- Xudong Zhang
- Institute of Crop Science, Quality of Plant Products, University of Hohenheim, 70599 Stuttgart, Germany
| | - Andreas Blennow
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, 1871 Frederiksberg C, Denmark
| | - Mario Jekle
- Department of Plant-Based Foods, Institute of Food Science and Biotechnology, University of Hohenheim, 70599 Stuttgart, Germany
| | - Christian Zörb
- Institute of Crop Science, Quality of Plant Products, University of Hohenheim, 70599 Stuttgart, Germany
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Farahani H, Moghaddam ME, Mohammadi A, Nezhad KZ, Naghipour F. Effect of high molecular weight glutenin subunits on wheat quality properties, across a wide range of climates and environments in Iran. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:889-902. [PMID: 37520809 PMCID: PMC10382459 DOI: 10.1007/s12298-023-01324-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 03/13/2023] [Accepted: 05/31/2023] [Indexed: 08/01/2023]
Abstract
High molecular weight glutenin subunits (HMW-GSs) at the Glu-1 loci play an important role in the variation of dough strength, elasticity, and end-use quality of bread wheat. Multilocation trials in a wide range of climatic conditions and crop management practices help explain the role of HMW-GSs in the rheological properties of dough. In the current study, allelic variation of HMWs and quality scores were determined in 28 bread wheat cultivars across a wide range of climates and locations in Iran. Twelve HMW-GSs subunits (3 at Glu-A1, 7 at Glu-B1 and 2 at Glu D-1) in 16 unique combinations were identified in the studied cultivars. In the most rheological properties associated with good bread-making quality, the compositions of 1/17 + 18/5 + 10, 1/13 + 16/5 + 10 and 2*/7 + 9/5 + 10 (all with a quality score of 10) had significantly higher values than the other allelic compositions. While, the lowest values were observed in 1/21 + 19/2 + 12 (quality score of 6). The degree of dough softening was significantly greater in 1/21 + 19/2 + 12 than other allelic combinations. At Glu-A1, Glu-B1 and Glu-D1, 2*, 17 + 18 and 5 + 10 had significantly greater qualitative and rheological properties than the other subunits, which are related to the good quality of wheat flour. While null at Glu-A1, subunits 21 + 19 at Glu-B1 and 2 + 12 at Glu-D1 were associated with weak baking quality. Moreover, the highest dough softening values at Glu-A1, Glu-B1 and Glu-D1 were observed in null, 21 + 19 and 2 + 12 subunits, respectively. A negative and significant correlation (P < 0.05) was observed between the degree of dough softening and other qualitative and rheological properties related to good bread-making performance. The results of this study demonstrated the role of HMW-GSs in determining the end-use quality of bread wheat across a wide range of climates and environments. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-023-01324-6.
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Affiliation(s)
- Hadis Farahani
- Islamic Azad University, Karaj Branches, Karaj, Islamic Republic of Iran
| | - Mohsen Esmaeilzadeh Moghaddam
- Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Shahid Fahmide Blvd., P.O. Box: 31585-4119, Karaj, 31359-33151 Islamic Republic of Iran
| | - Abdollah Mohammadi
- Islamic Azad University, Karaj Branches, Karaj, Islamic Republic of Iran
| | - Khalil Zaynali Nezhad
- Plant Production Faculty, Gorgan University of Agriculture Science and Natural Resources, Gorgan, Islamic Republic of Iran
| | - Fariba Naghipour
- Seed and Plant Improvement Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Islamic Republic of Iran
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Zhang J, You Y, Li C, Ban X, Gu Z, Li Z. The modulatory roles and regulatory strategy of starch in the textural and rehydration attributes of dried noodle products. Crit Rev Food Sci Nutr 2022; 64:5551-5567. [PMID: 36524398 DOI: 10.1080/10408398.2022.2155797] [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] [Indexed: 12/23/2022]
Abstract
Noodles are popular staple foods globally, and dried noodle products (DNPs) have gained increasing attention due to recent changes in consumer diet behavior. Rapid rehydration and excellent texture quality are the two major demands consumers make of dried noodle products. Unfortunately, these two qualities conflict with each other: the rapid rehydration of DNPs generally requires a loose structure, which is disadvantageous for good texture qualities. This contradiction limits further development of the noodle industry, and overcoming this limitation remains challenging. Starch is the major component of noodles, and it has two main roles in DNPs. It serves as a skeleton for the noodle in gel networks form or acts as a noodle network filler in granule form. In this review, we comprehensively investigate the different roles of starch in DNPs, and propose strategies for balancing the conflicts between texture and rehydration qualities of DNPs by regulating the gel network and granule structure of starch. Current strategies in regulating the gel network mainly focused on the hydrogen bond strength, the orientation degree, and the porosity; while regulating granule structure was generally performed by adjusting the integrity and the gelatinization degree of starch. This review assists in the production of instant dried noodle products with desired qualities, and provides insights into promising enhancements in the quality of starch-based products by manipulating starch structure.
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Affiliation(s)
- Jiayan Zhang
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Yuxian You
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Caiming Li
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, People's Republic of China
| | - Xiaofeng Ban
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, People's Republic of China
| | - Zhengbiao Gu
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, People's Republic of China
| | - Zhaofeng Li
- School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, People's Republic of China
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Effect of Mealworm Powder Substitution on the Properties of High-Gluten Wheat Dough and Bread Based on Different Baking Methods. Foods 2022; 11:foods11244057. [PMID: 36553798 PMCID: PMC9778090 DOI: 10.3390/foods11244057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/03/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Mealworms (Tenebrio molitor) are protein-rich edible insects that have been regarded as novel food ingredients. In this study, high-gluten wheat flour was formulated with dried mealworm powder at various levels (0%, 5%, 10%, 15%, and 20%) to study its influence on the pasting, farinograph, and extensograph properties and microstructure of the dough. A subsequent decrease in the pasting parameters was observed due to starch dilution. The water absorption, dough development time, and dough stability time decreased gradually from 71.9% to 68.67%, 13.6 min to 10.43 min, and 14.1 min to 5.33 min, respectively, with the increase in the substitution of mealworm powder from 0% to 20%. The farinograph characteristics corresponded to a weak gluten network formed through the dilution of gluten by the replacement of wheat flour with a non-gluten ingredient. The stretch ratio of the high-gluten dough increased gradually from 4.37 (M0) to 6.33 (M15). The increased stretching resistance and extensibility of the dough with 5% and 10% mealworm powder indicated that mealworm powder can act as a plasticizer in the gluten network, which might contribute to the decreased strength and increased elasticity and flexibility of the dough network. The bread made with three different baking methods showed similar increases in specific volume and decreased hardness up to the 10% substitution level, owing to the increased elasticity and flexibility of the dough. The GB/T 35869-2018 Rapid-baking method, GB/T 14611-2008 Straight dough method, and automatic bread maker method exhibited the highest specific volumes of 3.70 mL/g, 3.79 mL/g, and 4.14 mL/g when the wheat flour was substituted with 10% mealworm powder. However, 15% and 20% mealworm powder substitution markedly reduced the bread quality owing to the dilution effect and mealworm powder phase separation. These results provide a perspective on the relationship between the rheological properties of mealworm powder-substituted high-gluten dough and application suggestions for insect food development in the food industry.
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Sheng K, Xu L, Wang M, Lei H, Duan A. The end-use quality of wheat can be enhanced by optimal water management without incurring yield loss. FRONTIERS IN PLANT SCIENCE 2022; 13:1030763. [PMID: 36438148 PMCID: PMC9684672 DOI: 10.3389/fpls.2022.1030763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
In China, water-saving irrigation is playing important roles in ensuring food security, and improving wheat quality. A barrel experiment was conducted with three winter wheat (Triticum aestivum L.) genotypes and two irrigation pattens to examine the effects of regulated deficit irrigation (RDI) on wheat grain yield, water-use efficiency (WUE), and grain quality. In order to accurately control the soil water content, wheat was planted in the iron barrels set under a rainproof shelter, and the soil water content in the iron barrel was controlled by gravity method. The mechanisms whereby water management influences the end-use functional properties of wheat grain were also investigated. The results revealed that RDI improved the end-use functional properties of wheat and WUE, without significant yield loss (less than 3%). Moderate water deficit (60% to 65% field capacity) before jointing and during the late grain-filling stage combined with a slight water deficit (65% to 70% field capacity) from jointing to booting increased grain quality and WUE. The observed non-significant reduction in wheat yield associated with RDI may be attributed to higher rate of photosynthesis during the early stage of grain development and higher rate of transfer of carbohydrates from vegetative organs to grains during the later stage. By triggering an earlier rapid transfer of nitrogen deposited in vegetative organs, RDI enhances grain nitrogen content, which in turn could enhance dough elasticity, given the positive correlation between grain nitrogen content and dough midline peak value. Our results also indicate that the effects of RDI on grain quality are genotype dependent. Therefore, the grain end-use quality of some specific wheat genotypes may be enhanced without incurring yield loss by an optimal water management.
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Affiliation(s)
- Kun Sheng
- School of Hydraulic Engineering, Yellow River Conservancy Technical Institute, Kaifeng, China
| | - Lina Xu
- College of Life Science and Technology, Henan Institute of Science and Technology, Xinxiang, China
| | - Mingxia Wang
- School of Hydraulic Engineering, Yellow River Conservancy Technical Institute, Kaifeng, China
| | - Heng Lei
- School of Hydraulic Engineering, Yellow River Conservancy Technical Institute, Kaifeng, China
| | - Aiwang Duan
- Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang, China
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Troncoso Recio R, Pérez Guerra N, Torrado Agrasar A, Tovar Rodríguez CA. Influence of Casein Hydrolysates and Yeast on the Rheological Properties of Wheat Dough. Gels 2022; 8:689. [PMID: 36354597 PMCID: PMC9689493 DOI: 10.3390/gels8110689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 07/29/2023] Open
Abstract
The influence of casein hydrolysates (CHs) and yeast on the viscoelasticity of wheat dough at 25 °C were analysed. Three wheat doughs were studied: the unyeasted dough (UYD), the unyeasted dough with CHs (UYD-C) and the yeasted dough (YD). The characteristic parameters in the linear viscoelastic range (LVER) were analysed by stress sweep at 6.3 rad/s: UYD-C dough exhibited higher values of stress (σmax) and strain (γmax) amplitudes, and softer gel network (lower complex modulus, G*) comparing with UYD dough. The oscillatory data suggest that CHs would work as (energy and time) stabilising-agents based on the greatest reticular energy (E parameter) and the lowest frequency dependence of phase angle (δ) at the low frequency range. The rotatory tests show that CHs may act as shear thinning agents in the gluten-starch network, facilitating the solid-fluid transition at the yield point (UYD-C dough). The yeasted dough (YD) exhibited a more shear sensitive structure, evidenced in the highest influence of frequency on the elastic (G') and viscous (G″) parameters, and gel to sol transition at 0.23 rad/s was observed.
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Affiliation(s)
| | - Nelson Pérez Guerra
- Department of Analytical and Food Chemistry, University of Vigo, 32004 Ourense, Spain
| | - Ana Torrado Agrasar
- Department of Analytical and Food Chemistry, University of Vigo, 32004 Ourense, Spain
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González LC, Loubes MA, Bertotto MM, Tolaba MP. Rice‐based noodle formulation: consumer preference and optimization by mixture design. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Luciana C. González
- University of Buenos Aires Faculty of Exact and Natural Sciences, Industry Department. Buenos Aires Argentina
- CONICET‐University of Buenos Aires. Institute of Food Technology and Chemical Processes (ITAPROQ). Buenos Aires Argentina
| | - María A. Loubes
- University of Buenos Aires Faculty of Exact and Natural Sciences, Industry Department. Buenos Aires Argentina
- CONICET‐University of Buenos Aires. Institute of Food Technology and Chemical Processes (ITAPROQ). Buenos Aires Argentina
| | - María M. Bertotto
- National Service for Agri‐Food Health and Quality (SENASA), General Directorate for Animal Health. Buenos Aires Argentina
| | - Marcela P. Tolaba
- University of Buenos Aires Faculty of Exact and Natural Sciences, Industry Department. Buenos Aires Argentina
- CONICET‐University of Buenos Aires. Institute of Food Technology and Chemical Processes (ITAPROQ). Buenos Aires Argentina
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Mir SA, Farooq S, Shah MA, Sofi SA, Dar BN, Sunooj KV, Khaneghah AM. Recent advancements in the development of multigrain bread. Cereal Chem 2022. [DOI: 10.1002/cche.10578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shabir Ahmad Mir
- Department of Food Science and TechnologyGovernment College for Women, M. A. RoadSrinagarJammu and KashmirIndia
| | - Saqib Farooq
- Department of Food TechnologyIslamic University of Science and TechnologyAwantiporaJammu and KashmirIndia
| | - Manzoor Ahmad Shah
- Department of Food Science and TechnologyGovernment Degree College for WomenAnantnagJammu and KashmirIndia
| | - Sajad Ahmad Sofi
- Department of Food TechnologyIslamic University of Science and TechnologyAwantiporaJammu and KashmirIndia
| | - B. N. Dar
- Department of Food TechnologyIslamic University of Science and TechnologyAwantiporaJammu and KashmirIndia
| | | | - Amin Mousavi Khaneghah
- Department of Fruit and Vegetable Product TechnologyProf. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology – State Research Institute36 Rakowiecka St., 02‐532WarsawPoland
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Li B, Lv Y, Wei S, Zhang S, Zhao Y, Hu Y. Effects of protein oxidation on the rheological behaviour of different wheat flour. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bang‐Bang Li
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
| | - Yang‐Yong Lv
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
| | - Shan Wei
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
| | - Shuai‐Bing Zhang
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
| | - Ying‐Yuan Zhao
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
| | - Yuan‐Sen Hu
- College of Biological Engineering Henan University of Technology Zhengzhou 450001 China
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Hu X, Cheng L, Hong Y, Li Z, Li C, Gu Z. Impact of celluloses and pectins restrictions on gluten development and water distribution in potato-wheat flour dough. Int J Biol Macromol 2022; 206:534-542. [PMID: 35235853 DOI: 10.1016/j.ijbiomac.2022.02.150] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 02/11/2022] [Accepted: 02/24/2022] [Indexed: 01/13/2023]
Abstract
The addition of potato to wheat flour extends the nutritional values of bread. However, the adverse effects mediated by high dietary fiber in potato flour could affect the formation of gluten matrix. The water dynamics and distribution determined by the Low field nuclear magnetic resonance (LF-NMR) demonstrated a competitive water binding of dietary fiber, resulting in the partial dehydration and conformational changes of gluten protein complexes. Besides, the microstructure of the dough characterized by Scanning electron microscope (SEM) suggested that the insoluble cellulose could block the continuity of gluten from the spatial position, thereby negative affecting the mechanical properties of the dough. In our study, addition of cellulase and/or pectinase apparently mitigated the gluten aggregation and dehydration, contributing to the formation and the continuity of the three-dimensional gluten network. As a consequence, the specific volume of the bread was increased by 40.2%, and the hardness was reduced by 64.48%.
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Affiliation(s)
- Xiaohui Hu
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Li Cheng
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, Jiangsu Province, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Yan Hong
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, Jiangsu Province, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhaofeng Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, Jiangsu Province, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Caiming Li
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhengbiao Gu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi 214122, Jiangsu Province, China; State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, Jiangsu 214122, China
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