1
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Chen X, Zhu L, Zhang H, Wu G, Cheng L, Zhang Y. Unraveling cereal physical barriers composed of cell walls and protein matrix: Insights from structural changes and starch digestion. Int J Biol Macromol 2024; 279:135513. [PMID: 39260655 DOI: 10.1016/j.ijbiomac.2024.135513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 08/24/2024] [Accepted: 09/07/2024] [Indexed: 09/13/2024]
Abstract
Physical barriers composed of cell walls and protein matrix in cereals, as well as their cooking changes, play important roles in starch digestion. In this study, the physical barriers of native and cooked highland barley (HB), brown rice (BR), and oats (OA) kernels and their contribution to starch digestion were investigated. The resistant starch content was similar in cereal flours, but varied among cooked kernels (HB > BR > OA: 45.05 %, 10.30 %, and 24.71 %). The water adsorption, gelatinization enthalpy, and decrease in hardness of HB kernels were lower than those of OA and BR kernels. Microstructural observations of native kernels showed that HB had the thickest cell walls. After cooking, the lowest cell wall deformation and a dense continuous network developed from the protein matrix were observed in HB kernels. During digestion, undigested starch granules encapsulated by the stable cell walls and strong protein network were observed in HB kernels, but not in BR or OA kernels. Furthermore, the heavily milled HB kernels still had more resistant starch than the intact OA and BR kernels. Therefore, the physical barriers of HB kernels exhibited stronger inhibition of starch gelatinization and digestion. Differences in cereal physical barriers led to various inhibitory effects.
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Affiliation(s)
- Xiaoyu Chen
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Ling Zhu
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Hui Zhang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
| | - Gangcheng Wu
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Lilin Cheng
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, Henan, China
| | - Yayuan Zhang
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
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2
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Tagliasco M, Font G, Renzetti S, Capuano E, Pellegrini N. Role of particle size in modulating starch digestibility and textural properties in a rye bread model system. Food Res Int 2024; 190:114565. [PMID: 38945564 DOI: 10.1016/j.foodres.2024.114565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 05/13/2024] [Accepted: 05/26/2024] [Indexed: 07/02/2024]
Abstract
In cereal products, the use of flour containing clusters of intact cells has been indicated as a potential strategy to decrease starch digestion. Rye possesses more uniform and thicker cell walls than wheat but its protective effect against starch digestion has not been elucidated. In this study, rye flours with three different particle sizes, large (LF) (∼1700 μm), medium (MF) (∼1200 μm), and small (SF) (∼350 μm), were used to produce model bread. The textural properties of these breads were analysed using Textural Profile Analysis (TPA). The starch digestibility of both the flour and the bread was measured using Englyst's method, while the presence of intact cell clusters was examined using Confocal Laser Scanning Microscopy (CLSM). Additionally, the disintegration of bread digesta during simulated digestion was assessed through image analysis. CLSM micrographs revealed that bread made with MF and LF retained clusters of intact cells after processing, whereas bread made with SF showed damaged cell walls. Starch digestibility in LF and MF was lower (p ≤ 0.05) than that in SF. Bread produced with MF and LF exhibited the least (p ≤ 0.05) cohesive and resilient texture, disintegrated more during digestion, and exhibited higher starch digestibility (p ≤ 0.05) than bread made with SF. These results highlight the central role of bread texture on in vitro starch digestibility.
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Affiliation(s)
- Marianna Tagliasco
- Department of Agricultural, Food, Environmental and Animal Sciences, Via Sondrio 2/A, University of Udine, 33100 Udine, Italy
| | - Guillem Font
- Food Quality and Design Group, Wageningen University, Wageningen, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Stefano Renzetti
- Wageningen Food and Biobased Research, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Edoardo Capuano
- Food Quality and Design Group, Wageningen University, Wageningen, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Nicoletta Pellegrini
- Department of Agricultural, Food, Environmental and Animal Sciences, Via Sondrio 2/A, University of Udine, 33100 Udine, Italy; Food Quality and Design Group, Wageningen University, Wageningen, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.
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3
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Mulargia LI, Lemmens E, Gebruers K, D Udekem D Acoz P, Wouters AGB, Delcour JA. The particle sizes of milled wheat fractions affect the in vitro starch digestibility and quality parameters of wire-cut cookies made thereof. Food Funct 2024; 15:7974-7987. [PMID: 38984454 DOI: 10.1039/d4fo01315h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Slow digestion of starch is linked to various health benefits. The impact of wheat particle size on in vitro starch digestibility and quality of wire-cut cookies was here evaluated by including four soft wheat fractions [i.e. flour (average diameter, 83 μm), fine farina (643 μm), coarse farina (999 μm) and bran (1036 μm)] in the recipe. The susceptibility of starch in these fractions to in vitro digestion decreased with increasing particle size, resulting in a 76% lower digestion rate for coarse farina than for flour as found with the single first-order kinetic model. Starch was protected from hydrolysis likely due to delayed diffusion of pancreatic α-amylase through the intact farina cell walls. When 20-65% starch in flour for the control cookie recipe was substituted with the same percentages in fine and coarse farina, the starch digestion rate decreased when substitution levels increased. A 62% lower digestion rate was found at 65% substitution with coarse farina. Cell wall intactness was largely preserved in the cookies and most of the starch appeared as ungelatinised granules. Further, the cookie spread ratio during baking was 48% and 33% higher and the cookies were 63% and 57% less hard than control cookies when made with 65% fine farina and 65% coarse farina, respectively. The relatively low specific surface area of large wheat particles resulted in low water absorption and less dense packing. In conclusion, encapsulation of starch by intact cell walls in coarse wheat fractions makes them promising ingredients when developing starchy food products for controlled energy release.
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Affiliation(s)
- Leonardo I Mulargia
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
| | - Elien Lemmens
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
| | - Kurt Gebruers
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
| | - Pierre D Udekem D Acoz
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
| | - Arno G B Wouters
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
| | - Jan A Delcour
- Laboratory of Food Chemistry and Biochemistry, KU Leuven, Kasteelpark Arenberg 20, B-3001 Leuven, Belgium. E-mail.
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4
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Wu Y, Liu Y, Jia Y, Feng C, Zhang H, Ren F. Strategic exploration of whole grain cereals in modulating the glycaemic response. Crit Rev Food Sci Nutr 2024:1-16. [PMID: 38976377 DOI: 10.1080/10408398.2024.2374055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
In the current context, diabetes presents itself as a widespread and complex global health issue. This study explores the significant influence of food microstructure and food matrix components interaction (protein, lipid, polyphenols, etc.) on the starch digestibility and the glycaemic response of post-prandial glycemia, focusing on the potential effectiveness of incorporating bioactive components from whole grain cereals into dietary strategies for the management and potential prevention of diabetes. This study aims to integrate the regulation of postprandial glycaemic homeostasis, including the complexities of starch digestion, the significant potential of bioactive whole grain components and the impact of food processing, to develop a comprehensive framework that combines these elements into a strategic approach to diabetes nutrition. The convergence of these nutritional strategies is analyzed in the context of various prevalent dietary patterns, with the objective of creating an accessible approach to mitigate and prevent diabetes. The objective remains to coalesce these nutritional paradigms into a coherent strategy that not only addresses the current public health crisis but also threads a preventative approach to mitigate future prevalence and impact.
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Affiliation(s)
- Yingying Wu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering, and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
| | - Yanan Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering, and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
| | - Yuanqiang Jia
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering, and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
| | - Chaohui Feng
- School of Regional Innovation and Social Design Engineering, Faculty of Engineering, Kitami Institute of Technology, Kitami, Japan
| | - Huijuan Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering, and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
| | - Feiyue Ren
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering, and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology & Business University (BTBU), Beijing, China
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5
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Gu C, Kong L, Zhang X, Wang X, Dong M, Yang D, Li J, Hu X, Hao X, Liu X, Yang Q. Effects of black bean cell wall pectin by exogenous calcium ions: Insight into the metabolomics, physicochemical properties and anti-digestive capacity. Int J Biol Macromol 2024; 273:133127. [PMID: 38876245 DOI: 10.1016/j.ijbiomac.2024.133127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/04/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
In this work, the metabolomics, physicochemical and in vitro digestion properties of black beans influenced by different calcium ion solutions (0, 0.5 %, 1 %, and 2 %) were explored. The addition of calcium ions had a significant effect on the metabolic processing of black beans, including 16 differential metabolites and 4 metabolic pathways related to the cell wall. From the results of FT-IR and ICP-OES, it was confirmed that calcium ions can interact with COO- in non-methylated galacturonic acid in pectin to form calcium carboxylate strengthening the middle lamellae of the cell wall. Based on this mechanism, the soaked beans with an intact and dense cell structure were verified by the analyses of SEM and CLSM. Compared with other soaked beans, BB-2 exhibited lower cell permeability with electrical conductivity value decreased to 0.60 μs·cm-1. Additionally, BB-2 demonstrated slower digestion properties with digestion rate coefficient at 0.0020 min-1 and digestion extent only at 30.83 %, which is attributed to its increasingly compact cell wall and densely cellular matrix. This study illustrates the effect of calcium ions on the cellular structure of black beans, providing an effective process method for low glycemic index diets.
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Affiliation(s)
- Chenqi Gu
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Lu Kong
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Xiling Zhang
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Xiaoming Wang
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Mingyang Dong
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Dan Yang
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Jiaxin Li
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Xiufa Hu
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China
| | - Xiaoliang Hao
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, P. R. China
| | - Xinnan Liu
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China.
| | - Qingyu Yang
- College of Grain Science and Technology, Shenyang Normal University, Shenyang 110034, P. R. China; Liaoning Province Key Laboratory of Typical Grain and Oil Processing and Quality Control, Shenyang 110034, P. R. China.
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6
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Chen X, Zhu L, Zhang H, Wu G, Cheng L, Zhang Y. A review of endogenous non-starch components in cereal matrix: spatial distribution and mechanisms for inhibiting starch digestion. Crit Rev Food Sci Nutr 2024:1-16. [PMID: 38920118 DOI: 10.1080/10408398.2024.2370487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
As compared with exogenous components, non-starch components (NSCS), such as proteins, lipids, non-starch polysaccharides (NSPs), and polyphenols, inherently present in cereals, are more effective at inhibiting starch digestibility. Existing research has mostly focused on complex systems but overlooked the analysis of the in-situ role of the NSCS. This study reviews the crucial mechanisms by which endogenous NSCS inhibit starch digestion, emphasizing the spatial distribution-function relationship. Starch granules are filled with pores/channels-associated proteins and lipids, embedding in the protein matrix, and maintained by endosperm cell walls. The potential starch digestion inhibition of endogenous NSCS is achieved by altering starch gelatinization, molecular structure, digestive enzyme activity, and accessibility. Starch gelatinization is constrained by endogenous NSCS, particularly cell wall NSPs and matrix proteins. The stability of the starch crystal structure is enhanced by the proteins and lipids distributed in the starch granule pores and channels. Endogenous polyphenols greatly inhibit digestive enzymes and participate in the cross-linking of NSPs in the cell wall space, which together constitute a physical barrier that hinders amylase diffusion. Additionally, the spatial entanglement of NSCS and starch under heat and non-heat processing conditions reduces starch accessibility. This review provides novel evidence for the health benefits of whole cereals.
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Affiliation(s)
- Xiaoyu Chen
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ling Zhu
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Hui Zhang
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Gangcheng Wu
- National Engineering Research Center for Functional Food, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Lilin Cheng
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan, China
| | - Yayuan Zhang
- Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, China
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7
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Kouzounis D, Nguyen KA, Klostermann CE, Soares N, Kabel MA, Schols HA. The action of endo-xylanase and endo-glucanase on cereal cell wall polysaccharides and its implications for starch digestion kinetics in an in vitro poultry model. Carbohydr Polym 2024; 331:121861. [PMID: 38388057 DOI: 10.1016/j.carbpol.2024.121861] [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: 10/20/2023] [Revised: 12/21/2023] [Accepted: 01/22/2024] [Indexed: 02/24/2024]
Abstract
Endo-xylanase and endo-glucanase are supplemented to poultry diets in order to improve nutrient digestion and non-starch polysaccharide (NSP) fermentation. Here, the action of these enzymes on alcohol insoluble solids (AIS) from wheat and maize grains as well as its implications for starch digestion in milled grains were evaluated in vitro, under conditions mimicking the poultry digestive tract. For wheat AIS, GH11 endo-xylanase depolymerized soluble arabinoxylan (AX) during the gizzard phase, and proceeded to release insoluble AX under small intestine conditions. At the end of the in vitro digestion (480 min), the endo-xylanase, combined with a GH7 endo-β-1,4-glucanase, released 30.5 % of total AX and 18.1 % of total glucan in the form of arabinoxylo- and gluco-oligosaccharides, as detected by HPAEC-PAD and MALDI-TOF-MS. For maize AIS, the combined enzyme action released 2.2 % and 7.0 % of total AX and glucan, respectively. Analogous in vitro digestion experiments of whole grains demonstrated that the enzymatic release of oligomers coincided with altered grain microstructure, as examined by SEM. In the present study, cell wall hydrolysis did not affect in vitro starch digestion kinetics for cereal grains. This study contributes to understanding the action of feed enzymes on cereal NSP under conditions mimicking the poultry digestive tract.
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Affiliation(s)
- Dimitrios Kouzounis
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Khoa A Nguyen
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Cynthia E Klostermann
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands; Biobased Chemistry and Technology, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | | | - Mirjam A Kabel
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands
| | - Henk A Schols
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, the Netherlands.
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8
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Gebre BA, Zhang C, Li Z, Sui Z, Corke H. Impact of starch chain length distributions on physicochemical properties and digestibility of starches. Food Chem 2024; 435:137641. [PMID: 37804724 DOI: 10.1016/j.foodchem.2023.137641] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 09/02/2023] [Accepted: 09/29/2023] [Indexed: 10/09/2023]
Abstract
Changing starch structure at different levels is a promising approach to promote desirable metabolic responses. Chain length distribution (CLD) is among the starch structural characteristics having a potential to determine properties of starch-based products. Therefore, the objective of the current review is to summarize recent findings on CLD and its impact on physicochemical properties and digestion. Investigations undertaken to enhance understanding of starch structure have shown clearly that CLD is a significant determining factor in modulating starch digestibility. Enzymatic modifications and processing treatments alter the CLD of starch, which in turn affects the rate of digestion, but the underlying molecular mechanisms have yet to be fully elucidated. Even though advances have been made in manipulating CLD using different methods and to correlate the changes with various functional properties, in general the area needs further investigations to open new awareness for enhancing healthiness of starchy foods.
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Affiliation(s)
- Bilatu Agza Gebre
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; Department of Food Science & Nutrition, Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia
| | - Chuangchuang Zhang
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zijun Li
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhongquan Sui
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Harold Corke
- Biotechnology and Food Engineering Program, Guangdong Technion-Israel Institute of Technology, Shantou 515063, China; Faculty of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, Haifa 320000, Israel.
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9
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McClements DJ. Designing healthier and more sustainable ultraprocessed foods. Compr Rev Food Sci Food Saf 2024; 23:e13331. [PMID: 38517032 DOI: 10.1111/1541-4337.13331] [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: 12/13/2023] [Revised: 02/20/2024] [Accepted: 03/09/2024] [Indexed: 03/23/2024]
Abstract
The food industry has been extremely successful in creating a broad range of delicious, affordable, convenient, and safe food and beverage products. However, many of these products are considered to be ultraprocessed foods (UPFs) that contain ingredients and are processed in a manner that may cause adverse health effects. This review article introduces the concept of UPFs and briefly discusses food products that fall into this category, including beverages, baked goods, snacks, confectionary, prepared meals, dressings, sauces, spreads, and processed meat and meat analogs. It then discusses correlations between consumption levels of UPFs and diet-related chronic diseases, such as obesity and diabetes. The different reasons for the proposed ability of UPFs to increase the risk of these chronic diseases are then critically assessed, including displacement of whole foods, high energy densities, missing phytochemicals, contamination with packaging chemicals, hyperpalatability, harmful additives, rapid ingestion and digestion, and toxic reaction products. Then, potential strategies to overcome the current problems with UPFs are presented, including reducing energy density, balancing nutritional profile, fortification, increasing satiety response, modulating mastication and digestion, reengineering food structure, and precision processing. The central argument is that it may be possible to reformulate and reengineer many UPFs to improve their healthiness and sustainability, although this still needs to be proved using rigorous scientific studies.
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Affiliation(s)
- David Julian McClements
- Department of Food Science & Bioengineering, Zhejiang Gongshang University, Hangzhou, Zhejiang, China
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
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Corsato Alvarenga I, Lierz R, Chen Y, Lu A, Lu N, Aldrich CG. Processing of corn-based dog foods through pelleting, baking and extrusion and their effect on apparent total tract digestibility and colonic health of adult dogs. J Anim Sci 2024; 102:skae067. [PMID: 38553986 PMCID: PMC11005766 DOI: 10.1093/jas/skae067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 03/26/2024] [Indexed: 04/11/2024] Open
Abstract
Different food processing parameters may alter starch granule structure and its cooking degree. With lower thermomechanical energy, more resistant starch (RS) is retained in the food, which may benefit gastrointestinal (GI) health. The objective of this study was to determine the effect of food processing on dietary utilization and dog gut health. Experimental diets containing 56% corn as the sole starch source were produced through pelleting, baking, and extrusion and compared to a baked control diet in which the corn was replaced with dextrose. The extruded diet resulted in the highest level (P < 0.05) of in vitro starch cook and lowest RS, while baked was intermediate and pelleted had the lowest starch cook and highest RS. To evaluate the in vivo effects of these treatments, 12 dogs were adapted to foods for 9 d, and feces were collected for 5 d in a replicated 4 × 4 Latin square design. Feces were scored for consistency using an ordinal scale, and parametric data included apparent digestibility (ATTD), parameters indicative of gut health, and the microbial composition, which was centered log-ratio transformed before operational taxonomic unit (OTU) analyses. Fecal scores were analyzed by ordinal logistic regression, and parametric data were analyzed as mixed models. Overall ATTD was greater (P < 0.05) in extruded, followed by baked and pelleted. Dogs fed the control had osmotic diarrhea, whereas dogs fed the other treatments had mostly acceptable fecal scores, with extrusion leading to the best fecal quality. The control also led to high fecal pH and low SCFAs, indicating dysbiosis. All corn foods had similar (P > 0.05) fecal SCFAs and extruded tended (P = 0.055) to promote higher fecal butyrate than baked and pelleted. The microbiome of dogs fed the corn foods had similar α diversity indices, and OTUs at the species and phyla levels were mostly alike and different from the control. In conclusion, the higher levels of in vitro RS did not translate into a better in vivo fermentation profile, and extruded kibble performed best regarding fecal quality, ATTD, and fecal SCFAs.
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Affiliation(s)
| | - Ryan Lierz
- The J.M. Smucker Company, Orrville, Ohio 44667, USA
| | - Youhan Chen
- Department of Grain Science and Industry, Kansas State University, Manhattan, Kansas 60523, USA
| | - Andrea Lu
- Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas 66502, USA
| | - Nanyan Lu
- KSU Bioinformatics Center, Kansas State University, Manhattan, Kansas 66506, USA
| | - Charles G Aldrich
- Department of Grain Science and Industry, Kansas State University, Manhattan, Kansas 60523, USA
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11
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Gebre BA, Xu Z, Ma M, Lakew B, Sui Z, Corke H. Starch molecular structure, physicochemical properties and in vitro digestibility of Ethiopian malt barley varieties. Int J Biol Macromol 2024; 256:128407. [PMID: 38007010 DOI: 10.1016/j.ijbiomac.2023.128407] [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: 07/24/2023] [Revised: 10/31/2023] [Accepted: 11/22/2023] [Indexed: 11/27/2023]
Abstract
Characterization of local varietal barley quality diversity can help boost further development of novel value-added utilization of the grain. Therefore, in this study starch was isolated from 11 Ethiopian malting barley varieties to determine starch structural, pasting, thermal and digestibility characteristics, and their inter-relationships. The varieties showed significant differences in all amylopectin chain length fractions, and the A, B1, B2 and B3 chains ranged from 25.4 to 30.1, 47.4-50.1, 14.3-16.0 and 7.8-9.0 %, respectively. The varieties also exhibited significant variation in amylose content, relative crystallinity, absorbance peak ratios, pasting and thermal properties. Moreover, on average about 83 % raw starch of the varieties was classified as slowly digestible and resistant, whereas after gelatinization this was reduced to 9 %. Molecular and crystalline structures were strongly related to pasting properties, thermal characteristics and in vitro digestibility of the starches. The study provides information on some starch quality characteristics and the inter-relationships among the parameters, and might inspire further studies to suggest possible target-based starch modifications, and future novel utilization of barley. More studies are required to investigate the association of starch quality parameters with malting quality attributes.
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Affiliation(s)
- Bilatu Agza Gebre
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; Department of Food Science & Nutrition, Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia
| | - Zekun Xu
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Mengting Ma
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Berhane Lakew
- Senior Barley Breeder, Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia
| | - Zhongquan Sui
- Department of Food Science & Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Harold Corke
- Biotechnology and Food Engineering Program, Guangdong Technion-Israel Institute of Technology, Shantou 515063, China; Faculty of Biotechnology and Food Engineering, Technion-Israel Institute of Technology, Haifa 3200003, Israel.
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12
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Abedi F, Keitel C, Khoddami A, Marttila S, Pattison AL, Roberts TH. Indigenous Australian grass seeds as grains: macrostructure, microstructure and histochemistry. AOB PLANTS 2023; 15:plad071. [PMID: 38028748 PMCID: PMC10660417 DOI: 10.1093/aobpla/plad071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/28/2023] [Indexed: 12/01/2023]
Abstract
Utilization of grains of local grasses by Australia's First Nations people for food and connection to Country has largely been lost due to colonization. Native Australian grain production has the potential to deliver environmental, economic, nutritional and cultural benefits to First Nations people and the wider community. Revitalization of the native grain food system can only be achieved if relevant properties of the grains are elucidated. This study aimed to characterize the grain structure and histochemistry of four Australian native grasses: Dactyloctenium radulans (Button Grass), Astrebla lappacea (Curly Mitchell Grass), Panicum decompositum (Native Millet) and Microlaena stipoides (Weeping Grass). For these species, as well as wheat and sorghum, whole-grain images were obtained via stereo microscopy, starch and the embryo were visualized, and sections of fixed grains were imaged via bright-field and fluorescence microscopy. The shape, size and colour of the whole native grains varied between the species. The aleurone layer was one-cell thick in the native species, as in the domesticated grains, except for Weeping Grass, which had a two-cell-thick aleurone. In the native grains, endosperm cell walls appeared thinner than in wheat and sorghum. Starch granules in Button Grass, Curly Mitchell Grass and Native Millet were found mainly in the central region of the starchy endosperm, with very few granules in the sub-aleurone layer, whereas Weeping Grass had abundant starch in the sub-aleurone. Protein appeared most abundant in the aleurone and sub-aleurone layers of the native grains, although in Button Grass, the starchy endosperm was observed to be rich in protein, as in wheat and sorghum. As a proportion of the whole grain, the embryo was larger in the native species than in wheat. The differences found in the grain properties among the four native Australian species have important implications for the agri-food industry in a changing climate.
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Affiliation(s)
- Farkhondeh Abedi
- School of Life and Environmental Sciences, University of Sydney, Camperdown, NSW 2006, Australia
| | - Claudia Keitel
- School of Life and Environmental Sciences, University of Sydney, Camden, NSW 2570, Australia
- Sydney Institute of Agriculture, University of Sydney, Camperdown, NSW 2006, Australia
| | - Ali Khoddami
- School of Life and Environmental Sciences, University of Sydney, Camperdown, NSW 2006, Australia
- Sydney Institute of Agriculture, University of Sydney, Camperdown, NSW 2006, Australia
| | - Salla Marttila
- Department of Plant Protection Biology, Resistance Biology Unit, Swedish University of Agricultural Sciences, 23053 Alnarp, Sweden
| | - Angela L Pattison
- Sydney Institute of Agriculture, University of Sydney, Camperdown, NSW 2006, Australia
- School of Life and Environmental Sciences, University of Sydney, Narrabri NSW 2390, Australia
| | - Thomas H Roberts
- School of Life and Environmental Sciences, University of Sydney, Camperdown, NSW 2006, Australia
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13
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Amer H, Zhou Z, Corradini MG, Joye IJ, Rogers MA. Wheat milling across history altered sugar bioaccessibility assessed using TIM-1 in vitro digestion model. Food Res Int 2023; 174:113521. [PMID: 37986510 DOI: 10.1016/j.foodres.2023.113521] [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: 07/31/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 11/22/2023]
Abstract
The differences in wheat flour characteristics caused by ancient (pestle and mortar), old (stone hand mill), and modern (roller and cyclone) milling techniques and their effect on in vitro starch digestibility of wheat porridge using the simulated TIM Gastrointestinal Model (TIM-1) were investigated. Ancient flour (AF) was the coarsest flour (∼70 % is >1000 µm), followed by old wholemeal flour (OWF) and old refined flour (ORF) with similar particle size distribution showing one prominent peak (at ∼1000 µm for OWF and ∼800 µm for ORF). Modern refined flour (MRF) had a monomodal distribution centered at a particle size of ∼100 μm, while modern wholemeal flour (MWF) particle size was distributed between 40 and 600 μm. MRF and MWF porridges had higher cumulative sugar bioaccessibility than OWF and AF porridges, with ORF porridge having an intermediate cumulative sugar bioaccessibility. Characterizing the cumulative sugar bioaccessibility profile with a shifted logistic model allows identifying that the maximum sugar bioaccessibility and rate of sugar release were significantly higher (p < 0.05) for MRF and MWF compared to OWF and AF porridges, while the induction times were shorter, demonstrating the importance of processing on modulating starch digestibility.
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Affiliation(s)
- Hala Amer
- Department of Food Science, University of Guelph, Guelph, ON N1G2W1, Canada; Food Science and Technology Department, Faculty of Agriculture, Menoufia University, Shibin Elkom, Egypt
| | - Zhitong Zhou
- Department of Food Science, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Maria G Corradini
- Department of Food Science, University of Guelph, Guelph, ON N1G2W1, Canada; Arrell Food Institute, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Iris J Joye
- Department of Food Science, University of Guelph, Guelph, ON N1G2W1, Canada
| | - Michael A Rogers
- Department of Food Science, University of Guelph, Guelph, ON N1G2W1, Canada.
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14
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Purwandari FA, Westerbos C, Lee K, Fogliano V, Capuano E. Proximate composition, microstructure, and protein and starch digestibility of seven collections of Jack bean (Canavalia ensiformis) with different optimal cooking times. Food Res Int 2023; 170:112956. [PMID: 37316048 DOI: 10.1016/j.foodres.2023.112956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 04/19/2023] [Accepted: 05/10/2023] [Indexed: 06/16/2023]
Abstract
Because of its high protein content, Jack bean (Canavalia ensiformis) is a promising alternative protein source. However, the utilization of Jack bean is limited due to the long cooking time to achieve palatable softness. We hypothesize that the cooking time may influence protein and starch digestibility. In this study, we characterized seven Jack bean collections with different optimal cooking times in terms of their proximate composition, microstructure and protein and starch digestibility. Kidney bean was included as a reference for microstructure and protein and starch digestibility. Proximate composition showed that Jack bean collections have a protein content ranging from 28.8 to 39.3%, a starch content ranging from 31 to 41%, a fiber content from 15.4 to 24.6%, and a concanavalin A content in the range 35-51 mg/g dry cotyledon. Particle sizes ranging between 125 and 250 µm were chosen as a representative sample of the whole bean to characterize microstructure and digestibility of the seven collections. Confocal laser microscopy (CLSM) revealed that Jack bean cells have an oval shape and contain starch granules embedded in a protein matrix similar to kidney bean cells. The diameter of Jack bean cells was measured by image analysis of CLSM micrographs and ranged from 103 to 123 µm, while the diameter of starch granules was 31-38 µm, comparatively larger than that of the kidney bean starch granules. Isolated intact cells were used to determine the starch and protein digestibility in the Jack beans collections. The digestion kinetics of starch followed a logistic model, whereas the digestion kinetics of protein followed a fractional conversion model. We found no correlation between optimal cooking time and kinetic parameters of protein and starch digestibility, implying that optimal cooking time is not predictive of protein and starch digestibility. In addition, we tested the effect of reduced cooking times on protein and starch digestibility on one Jack bean collection. The result showed that reducing cooking time significantly reduces starch digestibility, but not protein digestibility. The present study contributes to our understanding of the effect of food processing on protein and starch digestibility in legumes.
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Affiliation(s)
- Fiametta Ayu Purwandari
- Food Quality and Design Group, Wageningen University and Research, 6700AA Wageningen, the Netherlands; Department of Food and Agricultural Product Technology, Faculty of Agricultural Technology, Gadjah Mada University, Jalan Flora, Bulaksumur, Depok, Sleman, Yogyakarta 55281, Indonesia
| | - Christien Westerbos
- Food Quality and Design Group, Wageningen University and Research, 6700AA Wageningen, the Netherlands
| | - Keumwoo Lee
- Food Quality and Design Group, Wageningen University and Research, 6700AA Wageningen, the Netherlands
| | - Vincenzo Fogliano
- Food Quality and Design Group, Wageningen University and Research, 6700AA Wageningen, the Netherlands
| | - Edoardo Capuano
- Food Quality and Design Group, Wageningen University and Research, 6700AA Wageningen, the Netherlands.
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15
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Lu C, Zhao Z, Huang G, Liu J, Ye F, Chen J, Ming J, Zhao G, Lei L. The contribution of cell wall integrity to gastric emptying and in vitro starch digestibility and fermentation performance of highland barley foods. Food Res Int 2023; 169:112912. [PMID: 37254345 DOI: 10.1016/j.foodres.2023.112912] [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: 01/10/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023]
Abstract
Studies have shown that the structure, composition, and bioavailability of compounds in whole grains are affected by processing and the role of cells walls. In this study, the effects of different processing methods on highland barley, one of the mostly widely produced whole grains worldwide, were investigated. The processing methods applied were flaking-boiling (HB flake), sand-roasting (Puffed HB), and sand-roasting-milling (Tsamba). Results showed Puffed HB and Tsamba had higher levels of damaged starch content, starch short-range molecular order, and relative crystallinity than HB flake. The half-time of gastric emptying (t1/2) was the slowest for Tsamba (132.3 min) compared to HB flake (122.5 min) and Puffed HB (84.0 min), indicating the slowest gastric emptying rate, which could be attributed to its high viscosity of gastric digesta. After in vitro gastroduodenal digestion, Puffed HB exhibited the lowest starch digestibility and the least amount of β-glucan due to its less damaged cellular structure. Furthermore, Puffed HB resulted in a 21% and 18% higher in vitro production of total short-chain fatty acids than Tsamba and HB flake, respectively. Besides, undigested starch of Puffed HB after in vitro gastroduodenal digestion delayed in vitro fecal fermentation of β-glucan. Our study provided insight into the potential mechanisms of how cell wall integrity affected the gastric emptying, in vitro starch digestibility, and in vitro fecal fermentation of highland barley foods.
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Affiliation(s)
- Chun Lu
- College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Zixuan Zhao
- College of Food Science, Southwest University, Chongqing 400715, PR China
| | - Guobao Huang
- Guangxi Key Lab of Agricultural Resources Chemistry and Biotechnology, College of Chemistry and Food Science, Yulin Normal University, Yulin, Guangxi 537000, PR China
| | - Jia Liu
- Institute of Food Processing Technology, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, PR China
| | - Fayin Ye
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China
| | - Jia Chen
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China
| | - Jian Ming
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China.
| | - Guohua Zhao
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China.
| | - Lin Lei
- College of Food Science, Southwest University, Chongqing 400715, PR China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, PR China.
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16
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Li Q, Liu J, Zhai H, Zhang Z, Xie R, Xiao F, Zeng X, Zhang Y, Li Z, Pan Z. Extraction and characterization of waxy and normal barley β-glucans and their effects on waxy and normal barley starch pasting and degradation properties and mash filtration rate. Carbohydr Polym 2023; 302:120405. [PMID: 36604074 DOI: 10.1016/j.carbpol.2022.120405] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
Interactions between β-glucan and starch influence the health benefits of barley-based foods and barley brewing performance. Here, we characterized β-glucans from waxy and normal barley varieties and compared the effects of different β-glucans on the pasting and degradation of waxy and normal barley starches as well as the filterability of mashes from unmalted waxy and normal barley. Waxy barley Zangqing18 β-glucan displayed more compact micrographic features, higher molecular weight, larger particle size, higher thermal decomposition temperature and lower rheological viscosity than normal barley Zangqing2000 β-glucan. β-Glucan not only significantly decreased the pasting viscosities of waxy and normal starches but also lowered the pasting temperatures and peak times of normal starch, likely by inhibiting granule swelling and disrupting the integrity of the continuous phase. β-Glucan also decreased in vitro digestion extent of starch and increased the resistant starch. The unmalted waxy barley had a mash filtration rate much faster than normal barley because starch and β-glucan in waxy barley were rapidly and completely digested and formed more open filter passages. The effects of β-glucan on starch properties varied with the types and contents of β-glucans, whilst the types of starches showed more significant effects. CHEMICAL COMPOUNDS STUDIED: β-Glucan (Pubchem CID: 439262); Amylopectin (Pubchem CID: 439207); Starch (Pubchem CID: 156595876).
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Affiliation(s)
- Qiao Li
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Juan Liu
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Huisheng Zhai
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Zhihui Zhang
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Rong Xie
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Futong Xiao
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China
| | - Xingquan Zeng
- Tibet Academy of Agriculture and Animal Sciences, No. 130 Jinzhu West Road, Lhasa 850032, People's Republic of China
| | - Yuhong Zhang
- Tibet Academy of Agriculture and Animal Sciences, No. 130 Jinzhu West Road, Lhasa 850032, People's Republic of China
| | - Zhongyi Li
- CSIRO Agriculture Flagship, GPO Box 1600, Canberra, ACT 2601, Australia
| | - Zhifen Pan
- Chengdu Institute of Biology, Chinese Academy of Sciences, No. 9 Section 4, Renmin South Road, Chengdu 610041, People's Republic of China.
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17
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Althnaibat RM, Bruce HL, Gӓnzle MG. Identification of peptides from camel milk that inhibit starch digestion. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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18
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Kraithong S, Junejo SA, Jiang Y, Zhang B, Huang Q. Effects of pectin-calcium matrices on controlling in vitro digestion of normal maize starch. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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19
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Xiong W, Zhang B, Gu Z, Muir J, Dhital S. The microbiota and metabolites during the fermentation of intact plant cells depend on the content of starch, proteins and lipids in the cells. Int J Biol Macromol 2023; 226:965-973. [PMID: 36526066 DOI: 10.1016/j.ijbiomac.2022.12.108] [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: 08/12/2022] [Revised: 11/28/2022] [Accepted: 12/11/2022] [Indexed: 12/15/2022]
Abstract
Intact cells, as the smallest unit of whole foods, were isolated from three legume crops and fermented with human faecal inoculum to elucidate the effect of food macro-nutrients compositional difference (starch, proteins and lipids) on in vitro colonic fermentation profiles. After 48 h of fermentation, the highest production of short-chain fatty acids (SCFAs) were observed for the pea cells, abundance in starch (64.9 %, db). In contrast, branch chain fatty acids (BCFAs) were the major metabolites for protein-enriched soybean cells (protein content 56.9 %, db). The peanut cells rich in lipids (49.2 %, db) has the lowest fermentation rate among the three varieties. Correspondingly, pea cells favoured the growth of Bifidobacterium, whereas soybean and peanut cells promoted an abundance of Bacteroides and Shigella, respectively. Furthermore, except the intact pea cells promoting the abundance of butyrate producer Roseburia, a similar fermentation pattern was found between intact and broken cells suggesting that macro-nutrient types, rather than structure, dominate the production of metabolites in colonic fermentation. The findings elucidate how the food compositional difference can modulate the gut microbiome and thus provide the knowledge to design whole food legumes-based functional foods.
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Affiliation(s)
- Weiyan Xiong
- Department of Chemical and Biological Engineering, Monash University, Clayton Campus, VIC 3800, Australia
| | - Bin Zhang
- Sino-Singapore International Research Institute, Guangzhou 510555, China; School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Zhipeng Gu
- Sino-Singapore International Research Institute, Guangzhou 510555, China; School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jane Muir
- Department of Gastroenterology, Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
| | - Sushil Dhital
- Department of Chemical and Biological Engineering, Monash University, Clayton Campus, VIC 3800, Australia.
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20
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Chen X, Zhang H, Zhu L, Wu G, Cheng L, Li J. Effects of structural barriers on digestive properties of highland barley as compared with unpolished rice and oats. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Liu H, Liu C, Yang H, Ma S. Influence of cellular structure, and non‐starch components, on the functional properties of starch in plant‐derived foods: Editorial. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.16147] [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)
- Hua‐Min Liu
- College of Food Science and Engineering Henan University of Technology Zhengzhou Henan 450001 China
| | - Chong Liu
- College of Food Science and Engineering Henan University of Technology Zhengzhou Henan 450001 China
| | - Hong‐Shun Yang
- Department of Food Science & Technology National University of Singapore Singapore City 117542 Singapore
| | - Sen Ma
- College of Food Science and Engineering Henan University of Technology Zhengzhou Henan 450001 China
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22
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Chi C, Shi M, Zhao Y, Chen B, He Y, Wang M. Dietary compounds slow starch enzymatic digestion: A review. Front Nutr 2022; 9:1004966. [PMID: 36185656 PMCID: PMC9521573 DOI: 10.3389/fnut.2022.1004966] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 08/23/2022] [Indexed: 11/20/2022] Open
Abstract
Dietary compounds significantly affected starch enzymatic digestion. However, effects of dietary compounds on starch digestion and their underlying mechanisms have been not systematically discussed yet. This review summarized the effects of dietary compounds including cell walls, proteins, lipids, non-starchy polysaccharides, and polyphenols on starch enzymatic digestion. Cell walls, proteins, and non-starchy polysaccharides restricted starch disruption during hydrothermal treatment and the retained ordered structures limited enzymatic binding. Moreover, they encapsulated starch granules and formed physical barriers for enzyme accessibility. Proteins, non-starchy polysaccharides along with lipids and polyphenols interacted with starch and formed ordered assemblies. Furthermore, non-starchy polysaccharides and polyphenols showed robust abilities to reduce activities of α-amylase and α-glucosidase. Accordingly, it can be concluded that dietary compounds lowered starch digestion mainly by three modes: (i) prevented ordered structures from disruption and formed ordered assemblies chaperoned with these dietary compounds; (ii) formed physical barriers and prevented enzymes from accessing/binding to starch; (iii) reduced enzymes activities. Dietary compounds showed great potentials in lowering starch enzymatic digestion, thereby modulating postprandial glucose response to food and preventing or treating type II diabetes disease.
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Affiliation(s)
- Chengdeng Chi
- College of Life Sciences, Fujian Normal University, Fuzhou, China
- *Correspondence: Chengdeng Chi
| | - Miaomiao Shi
- College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, China
| | - Yingting Zhao
- Center for Nutrition and Food Sciences, The University of Queensland, Queensland Alliance for Agriculture and Food Innovation, Brisbane, QLD, Australia
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Bilian Chen
- College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Yongjin He
- College of Life Sciences, Fujian Normal University, Fuzhou, China
| | - Meiying Wang
- School of Engineering, University of Guelph, Guelph, ON, Canada
- Meiying Wang
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23
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In-vitro digestibility of rice starch and factors regulating its digestion process: A review. Carbohydr Polym 2022; 291:119600. [DOI: 10.1016/j.carbpol.2022.119600] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 12/14/2022]
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24
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Xu X, Bean S, Wu X, Shi YC. Effects of protein digestion on in vitro digestibility of starch in sorghum differing in endosperm hardness and flour particle size. Food Chem 2022; 383:132635. [PMID: 35413766 DOI: 10.1016/j.foodchem.2022.132635] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 11/25/2022]
Abstract
In vitro digestibility of starch in sorghum grains differing in endosperm hardness and flour particle size was investigated. The starch digestibility increased as the particle size of flour decreased, but no clear trend was observed in digestibility of starch in sorghum flours milled from grains with different hardness. The protein matrix affected the digestion of starch. The pH value (2.0 vs. 1.3) was a critical factor affecting protein digestion. Optimum pH (pH 2.0 for pepsin) digested more protein, resulting in a greater digestion of starch. Resistant starch (RS) content was 8.5-26.3% in isolated sorghum starch but higher (10.6-29.5%) in sorghum flours. Protein digestibility decreased after cooking while starch digestibility increased compared to native sorghum flours; disulfide bonds formed between protein molecules. RS content of cooked sorghum flour was much higher without pepsin treatment (16.93-23.99%) than that of cooked sorghum flour with pepsin treatment (4.86-12.53%).
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Affiliation(s)
- Xiaoli Xu
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA
| | - Scott Bean
- Grain Quality & Structure Research Unit, Center for Grain and Animal Health Research, USADA-ARS, Manhattan, KS 66502, USA
| | - Xiaorong Wu
- Grain Quality & Structure Research Unit, Center for Grain and Animal Health Research, USADA-ARS, Manhattan, KS 66502, USA
| | - Yong-Cheng Shi
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA.
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25
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Monitoring the effect of cell wall integrity in modulating the starch digestibility of durum wheat during different steps of bread making. Food Chem 2022; 396:133678. [PMID: 35849983 DOI: 10.1016/j.foodchem.2022.133678] [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: 02/18/2022] [Revised: 06/29/2022] [Accepted: 07/09/2022] [Indexed: 11/20/2022]
Abstract
Reduction of starch digestibility in starchy foods is beneficial for lowering the risks for major non-communicable diseases. Preserving cell integrity is known to delay starch digestibility in flour but its effect in bread is not clear. In this study, the effect of increasing particle size on in vitro starch digestibility of durum wheat flour, dough, and bread was investigated. Cell integrity was retained during bread processing for medium (1000 µm-1800 µm), and large (>1800 µm) flour, whereas in small one cell walls were mostly damaged (<350 µm). In vitro starch digestibility of flour decreased increasing particle size, but no difference was found in dough. In bread, instead, a modest decrease of starch digestibility for the bread made by large particle was observed, likely due to its dense structure. In conclusion, a high particle size could limit starch digestibility in durum wheat flour but not in bread.
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26
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Monro J, Mishra S. In Vitro Digestive Analysis of Digestible and Resistant Starch Fractions, with Concurrent Glycemic Index Determination, in Whole Grain Wheat Products Minimally Processed for Reduced Glycaemic Impact. Foods 2022; 11:foods11131904. [PMID: 35804723 PMCID: PMC9265537 DOI: 10.3390/foods11131904] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 02/04/2023] Open
Abstract
Eight wheat products differing in texture (porridge vs. bread), grain fineness (fine, kibbled, intact), and cooking (raw vs. cooked), with pre-measured glycaemic indexes (GI), were analysed by in vitro amylolytic digestion to determine effects of processing to reduce GI on quantities of starch fractions differing in digestibility. The accuracy and precision of the in vitro analysis was assessed from its ability to concurrently predict clinical GI. In porridges, kernel intactness and lack of cooking reduced GI while increasing Type 1 (inaccessible) and Type 2 (ungelatinised) resistant starch. Porridge in vitro GI values (GIiv), calculated from the area under in vitro digestion curves minus estimated blood glucose disposal, were: raw fine, 26.3; raw kibbled, 12.6; cooked fine, 63.9; cooked kibbled, 44.1; and correlated closely with clinical GI values (R2 = 0.97). In bread, the negative association of kernel intactness and resistant starch with GI was seen in vitro but not in vivo. Bread GIiv values were: roller milled flour, 67.4; stoneground flour 61.1; kibbled grain, 53.0; kibbled + intact kernel, 49.5; but correlation with clinical values was low (R2 = 0.47), and variability in the clinical results was high (clinical CV = 72.5%, in vitro CV = 3.7%). Low glycaemic potency of wheat by minimal processing was achieved by maintaining particle size, avoiding hydrothermal treatment, avoiding crushing and using a food matrix requiring little chewing for ingestion. Use of in vitro digestive analysis for high precision measurement of starch fractions with potential secondary health benefits was validated by accurate concurrent prediction of the glycaemic index but needed to account for effects of chewing.
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Affiliation(s)
- John Monro
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand;
- Riddet Institute, University Avenue, Fitzherbert, Palmerston North 4474, New Zealand
- Correspondence:
| | - Suman Mishra
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand;
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27
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Mondal D, Awana M, Aggarwal S, Das D, Thomas B, Singh S, Satyavathi C T, Sundaram RM, Anand A, Singh A, Sachdev A, Praveen S, Krishnan V. Microstructure, matrix interactions, and molecular structure are the key determinants of inherent glycemic potential in pearl millet (Pennisetum glaucum). Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107481] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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28
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Shu L, Dhital S, Junejo SA, Ding L, Huang Q, Fu X, He X, Zhang B. Starch retrogradation in potato cells: Structure and in vitro digestion paradigm. Carbohydr Polym 2022; 286:119261. [DOI: 10.1016/j.carbpol.2022.119261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/30/2022] [Accepted: 02/14/2022] [Indexed: 11/30/2022]
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29
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The contribution of intact structure and food processing to functionality of plant cell wall-derived dietary fiber. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107511] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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30
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Kraithong S, Wang S, Junejo SA, Fu X, Theppawong A, Zhang B, Huang Q. Type 1 resistant starch: Nutritional properties and industry applications. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107369] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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31
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Fang F, Junejo SA, Wang K, Yang X, Yuan Y, Zhang B. Fibre matrices for enhanced gut health: a mini review. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15702] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fang Fang
- Whistler Center for Carbohydrate Research and Department of Food Science Purdue University West Lafayette IN 47906 USA
| | - Shahid Ahmed Junejo
- School of Food Science and Engineering Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health South China University of Technology Guangzhou 510640 China
| | - Kai Wang
- School of Food Science South China Agricultural University Guangzhou 510642 China
| | - Xinquan Yang
- School of Life Sciences Guangzhou University Guangzhou 510006 China
| | - Yang Yuan
- School of Chemistry and Chemical Engineering Guangzhou University Guangzhou 510006 China
| | - Bin Zhang
- School of Food Science and Engineering Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health South China University of Technology Guangzhou 510640 China
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32
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Han J, Zhang Q, Luo W, Wang Z, Pang Y, Shen X. In vitro
digestion of whole chia seeds (
Salvia hispanica
L.): Nutrient bioaccessibility, structural and functional changes. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jieyu Han
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi 214122 China
- International Joint Laboratory on Food Safety Jiangnan University Wuxi 214122 China
- Institute of Analytical Food Safety School of Food Science and Technology Jiangnan University Wuxi 214122 China
| | - Qiufang Zhang
- Zibo Institute for Inspection Testing and Metrology Zibo 255086 China
| | - Wentao Luo
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi 214122 China
- International Joint Laboratory on Food Safety Jiangnan University Wuxi 214122 China
- Institute of Analytical Food Safety School of Food Science and Technology Jiangnan University Wuxi 214122 China
| | - Ziyi Wang
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi 214122 China
- International Joint Laboratory on Food Safety Jiangnan University Wuxi 214122 China
- Institute of Analytical Food Safety School of Food Science and Technology Jiangnan University Wuxi 214122 China
| | - Yuehong Pang
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi 214122 China
- International Joint Laboratory on Food Safety Jiangnan University Wuxi 214122 China
- Institute of Analytical Food Safety School of Food Science and Technology Jiangnan University Wuxi 214122 China
| | - Xiaofang Shen
- State Key Laboratory of Food Science and Technology Jiangnan University Wuxi 214122 China
- International Joint Laboratory on Food Safety Jiangnan University Wuxi 214122 China
- Institute of Analytical Food Safety School of Food Science and Technology Jiangnan University Wuxi 214122 China
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33
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Taylor JRN, Duodu KG. Resistant‐Type Starch in Sorghum Foods – Factors Involved and Health Implications. STARCH-STARKE 2022. [DOI: 10.1002/star.202100296] [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)
- John R. N. Taylor
- Department of Consumer and Food Sciences University of Pretoria Pretoria South Africa
| | - Kwaku G. Duodu
- Department of Consumer and Food Sciences University of Pretoria Pretoria South Africa
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34
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Li C, Dhital S, Gidley MJ. High-amylose wheat bread with reduced in vitro digestion rate and enhanced resistant starch content. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107181] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Xiong W, Devkota L, Zhang B, Muir J, Dhital S. Intact cells: “Nutritional capsules” in plant foods. Compr Rev Food Sci Food Saf 2022; 21:1198-1217. [DOI: 10.1111/1541-4337.12904] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/23/2021] [Accepted: 12/13/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Weiyan Xiong
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety South China University of Technology Guangzhou Guangdong P. R. China
| | - Lavaraj Devkota
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
| | - Bin Zhang
- School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety South China University of Technology Guangzhou Guangdong P. R. China
| | - Jane Muir
- Department of Gastroenterology Central Clinical School, Monash University Melbourne Victoria Australia
| | - Sushil Dhital
- Department of Chemical and Biological Engineering Monash University Clayton Campus, VIC 3800 Australia
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36
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Zhang C, Ritzoulis C, Jin Z, Cui W, Li X, Han J, Liu W. Yellow and Black Soybean Pellet Degradation and Nutrients Hydrolysis During In Vitro Gastrointestinal Digestion. FOOD BIOPHYS 2022. [DOI: 10.1007/s11483-022-09717-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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37
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38
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39
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Arp CG, Correa MJ, Ferrero C. Resistant starches: A smart alternative for the development of functional bread and other starch-based foods. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106949] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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40
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Mohamed IO. Effects of processing and additives on starch physicochemical and digestibility properties. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100039] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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41
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Korompokis K, Deleu LJ, Delcour JA. The impact of incorporating coarse wheat farina containing intact endosperm cells in a bread recipe on bread characteristics and starch digestibility. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103333] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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42
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Zhou X, Yu W, Li C. Protein content correlates with the in vitro starch digestibility of raw barley flour. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101292] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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43
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Johnson SK, Kaur G, Luitel S, Hoang LAP, Bhattarai RR. Replacement of buckwheat by black sorghum flour on soba‐type noodles. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15326] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Stuart K. Johnson
- School of Molecular and Life Sciences Faculty of Science and Engineering Curtin University Bentley Western Australia 6102 Australia
| | - Gurpreet Kaur
- School of Molecular and Life Sciences Faculty of Science and Engineering Curtin University Bentley Western Australia 6102 Australia
| | - Smriti Luitel
- School of Molecular and Life Sciences Faculty of Science and Engineering Curtin University Bentley Western Australia 6102 Australia
| | - Le Anh Phuoc Hoang
- School of Molecular and Life Sciences Faculty of Science and Engineering Curtin University Bentley Western Australia 6102 Australia
| | - Rewati R. Bhattarai
- School of Molecular and Life Sciences Faculty of Science and Engineering Curtin University Bentley Western Australia 6102 Australia
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44
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Li HT, Chen SQ, Bui AT, Xu B, Dhital S. Natural ‘capsule’ in food plants: Cell wall porosity controls starch digestion and fermentation. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106657] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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45
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Li C, Hu Y, Zhang B. Plant cellular architecture and chemical composition as important regulator of starch functionality in whole foods. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106744] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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46
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Effects of Different Processing Methods and Internal Components on Physicochemical Properties and Glycemic Index of Adzuki Bean Powder. Foods 2021; 10:foods10081685. [PMID: 34441463 PMCID: PMC8391287 DOI: 10.3390/foods10081685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/03/2022] Open
Abstract
The estimated glycemic index (eGI) value of adzuki bean powder prepared by steamed cooking (SC), extruded cooking (EC) and roller cooking (RC) was studied comparatively. Results showed that RC had the highest eGI, with 80.1, and both EC and SC resulted in a lower eGI value of 70.0 and 49.7, respectively. Compared with the EC and RC methods, the SC method provided a more intact physical barrier for starch digestion, resulting in a less destroyed cell structure. As the essential components that form the cell wall, the study further investigated the effects of protein and fiber on physicochemical properties, in vitro starch digestibility and the eGI of adzuki bean powder processed with the SC method. Viscozyme and Protamax were used to obtain the deprotein and defiber samples. Results showed that the SC treatment with Viscozyme and Protamax, respectively, had significant effects on in vitro starch digestibility. The eGI of different samples were given as follows: steamed cooking adzuki bean powder (49.7) < deproteined adzuki bean powder (60.5) < defibered adzuki bean powder (83.1), which indicates that fiber may have a greater influence on the eGI than protein.
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47
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Xie Y, Zhu M, Liu H, Fan Z, Zhang Y, Qin X, Liu X. Effects of β-glucan and various thermal processing methods on the in vitro digestion of hulless barley starch. Food Chem 2021; 360:129952. [PMID: 34000632 DOI: 10.1016/j.foodchem.2021.129952] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 01/17/2023]
Abstract
This study explored the effects of β-glucan and various processing methods on the digestion of hulless barley starch in vitro. The whole hulless barley showed significantly lower starch digestibility compared to that hydrolyzed by β-glucanase, indicating that β-glucan had inhibitory effects on starch digestion. However, β-glucan slightly accelerated the hydrolysis of extracted starch. Microscope observations of grains and flours revealed that the inhibitory effects of β-glucan benefited from the integral cellular structure of hulless barley. Besides, the hulless barley processed through flaking-roasting and stir-frying exhibited significantly lower starch digestibility (41.5% and 38.9%, respectively) and considerable intact cells and starch granules. The hulless barley processed by steam flash-explosion showed moderate starch digestibility (48.2%), which may be attributed to the encapsulation of starch-protein-β-glucan complexes. This elucidated the possible mechanism of β-glucan limiting the hydrolysis of hulless barley starch and provided useful direction to produce hulless barley products with desirable starch digestibility.
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Affiliation(s)
- Yong Xie
- School of Food Science, Southwest University, Chongqing 400715, China; School of Material and Chemical Engineering, Tongren University, Tongren 554300, China
| | - Miao Zhu
- School of Material and Chemical Engineering, Tongren University, Tongren 554300, China
| | - Haibo Liu
- School of Food Science, Southwest University, Chongqing 400715, China
| | - Zhiping Fan
- Centre for Food and Drug Testing of Yibin City, Yibin 644000, China
| | - Yilin Zhang
- School of Food Science, Southwest University, Chongqing 400715, China
| | - Xiaoli Qin
- School of Food Science, Southwest University, Chongqing 400715, China
| | - Xiong Liu
- School of Food Science, Southwest University, Chongqing 400715, China.
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48
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Abstract
As the prevalence of obesity and diabetes has continued to increase rapidly in recent years, dietary approaches to regulating glucose homeostasis have gained more attention. Starch is the major source of glucose in the human diet and can have diverse effects, depending on its rate and extent of digestion in the small intestine, on postprandial glycemic response, which over time is associated with blood glucose abnormalities, insulin sensitivity, and even appetitive response and food intake. The classification of starch bioavailability into rapidly digestible starch, slowly digestible starch, and resistant starch highlights the nutritional values of different starches. As starch is the main structure-building macroconstituent of foods, its bioavailability can be manipulated by selection of food matrices with varying degrees of susceptibility to amylolysis and food processing to retain or develop new matrices. In this review, the food factors that may modulate starch bioavailability, with a focus on food matrices, are assessed for a better understanding of their potential contribution to human health. Aspects affecting starch nutritional properties as well as production strategies for healthy foods are also reviewed, e.g., starch characteristics (different type, structure, and modification), food physical properties (food form, viscosity, and integrity), food matrix interactions (lipid, protein, nonstarch polysaccharide, phytochemicals, organic acid, and enzyme inhibitor), and food processing (milling, cooking, and storage).
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Affiliation(s)
- Ming Miao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China;
| | - Bruce R Hamaker
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China; .,Whistler Center for Carbohydrate Research and Department of Food Science, Purdue University, West Lafayette, Indiana 47907-1160, USA;
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49
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Abstract
Food digestion may be regarded as a physiological interface between food and health. During digestion, the food matrix is broken down and the component nutrients and bioactive compounds are absorbed through a synergy of mechanical, chemical, and biochemical processes. The food matrix modulates the extent and kinetics to which nutrients and bioactive compounds make themselves available for absorption, hence regulating their concentration profile in the blood and their utilization in peripheral tissues. In this review, we discuss the structural and compositional aspects of food that modulate macronutrient digestibility in each step of digestion. We also discuss in silico modeling approaches to describe the effect of the food matrix on macronutrient digestion. The detailed knowledge of how the food matrix is digested can provide a mechanistic basis to elucidate the complex effect of food on human health and design food with improved functionality.
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Affiliation(s)
- Edoardo Capuano
- Food Quality and Design Group, Wageningen University and Research, 6700 AA Wageningen, The Netherlands;
| | - Anja E M Janssen
- Food Processing Engineering Group, Wageningen University and Research, 6700 AA Wageningen, The Netherlands;
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50
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Pallares Pallares A, Gwala S, Pälchen K, Duijsens D, Hendrickx M, Grauwet T. Pulse seeds as promising and sustainable source of ingredients with naturally bioencapsulated nutrients: Literature review and outlook. Compr Rev Food Sci Food Saf 2021; 20:1524-1553. [DOI: 10.1111/1541-4337.12692] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/24/2020] [Accepted: 11/30/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Andrea Pallares Pallares
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
| | - Shannon Gwala
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
| | - Katharina Pälchen
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
| | - Dorine Duijsens
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
| | - Marc Hendrickx
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
| | - Tara Grauwet
- Laboratory of Food Technology, Centre for Food and Microbial Technology, Department of Microbial and Molecular Systems (M2S), Faculty of Bioscience Engineering KU Leuven Heverlee Belgium
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