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Wei X, Wang J, Wang Y, Zhao Y, Long Y, Tan B, Li QX, Dong Z, Wan X. Dietary fiber and polyphenols from whole grains: effects on the gut and health improvements. Food Funct 2024; 15:4682-4702. [PMID: 38590246 DOI: 10.1039/d4fo00715h] [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: 04/10/2024]
Abstract
Cereals are the main source of energy in the human diet. Compared to refined grains, whole grains retain more beneficial components, including dietary fiber, polyphenols, proteins, vitamins, and minerals. Dietary fiber and bound polyphenols (biounavailable) in cereals are important active substances that can be metabolized by the gut microorganisms and affect the intestinal environment. There is a close relationship between the gut microbiota structures and various disease phenotypes, although the consistency of this link is affected by many factors, and the specific mechanisms are still unclear. Remodeling unfavorable microbiota is widely recognized as an important way to target the gut and improve diseases. This paper mainly reviews the interaction between the gut microbiota and cereal-derived dietary fiber and polyphenols, and also summarizes the changes to the gut microbiota and possible molecular mechanisms of related glycolipid metabolism. The exploration of single active ingredients in cereals and their synergistic health mechanisms will contribute to a better understanding of the health benefits of whole grains. It will further help promote healthier whole grain foods by cultivating new varieties with more potential and optimizing processing methods.
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Affiliation(s)
- Xun Wei
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
- Environmental Economics and Natural Resources Group, Wageningen University & Research, Wageningen 6706 KN, The Netherlands
| | - Jianhui Wang
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yaxuan Wang
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yilin Zhao
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Yan Long
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Bin Tan
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822, USA
| | - Zhenying Dong
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Xiangyuan Wan
- Research Institute of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
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Ding W, Liu S, Yang Q, Bai Y, Perez-Donado CE, Rose DJ. Influence of overcooking on in vitro digestion and fermentation of ground beef and whole wheat bread. Food Res Int 2024; 178:113953. [PMID: 38309875 DOI: 10.1016/j.foodres.2024.113953] [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: 09/25/2023] [Revised: 12/26/2023] [Accepted: 01/02/2024] [Indexed: 02/05/2024]
Abstract
Areas of char or overcooking commonly appear in foods people consume. It has been reported that overcooked food is harmful to human health. However, little research exists on the effect of overcooking on digestible protein and starch content and gut microbial fermentation. This study aimed to reveal the connection between overcooking and the content of digestible protein and starch, as well as its impact on gut microbial fermentation. Digestible protein in the standard cooked ground beef patty was significantly higher than the overcooked samples (p = 0.009). Standard-cooked whole wheat bread also showed a significantly higher digestible protein content compared with overcooked (p = 0.009). A significant difference was also found in digestible starch content between standard cooked and overcooked bread samples (p = 0.02). Overcooking decreased acetate, propionate, iso-butyrate, iso-valerate and ammonia production by the gut microbiota during fermentation of the beef sample, and decreased propionate and ammonia production during fermentation of the bread sample (p < 0.05). Interestingly, overcooking enhanced butyrate production by the microbiota during fermentation of the bread sample (24 h of fermentation, p < 0.001; 48 h of fermentation, p = 0.02), while no significant difference was found between overcooked and standard cooked beef samples (24 h of fermentation, p = 0.15; 48 h of fermentation, p = 0.4). Overcooking resulted in reductions in many Pseudomonadota and favored several Bacillota, especially Ruminococcaceae and Oscillospiraceae, which contain butyrate producers. Overall, overcooking reduced digestible protein, digestible starch, and fermentation of proteins. Unexpectedly, overcooking induced several purportedly favorable effects on the gut microbiota due to the decreased protein fermentation, which, in future studies, should be weighed against the previous reports that overcooking is deleterious to human health.
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Affiliation(s)
- Wensheng Ding
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Sujun Liu
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Qinnan Yang
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA; Department of Microbiology & Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Yichen Bai
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Carmen E Perez-Donado
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Devin J Rose
- Department of Food Science & Technology, University of Nebraska-Lincoln, Lincoln NE, USA; Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, NE, USA; Department of Agronomy & Horticulture, University of Nebraska-Lincoln, Lincoln, NE, USA.
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Wang Y, Jian C, Salonen A, Dong M, Yang Z. Designing healthier bread through the lens of the gut microbiota. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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Responses of the colonic microbiota and metabolites during fermentation of alginate oligosaccharides in normal individuals: An in vitro and in vivo study. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Wei X, Yang W, Wang J, Zhang Y, Wang Y, Long Y, Tan B, Wan X. Health Effects of Whole Grains: A Bibliometric Analysis. Foods 2022; 11:foods11244094. [PMID: 36553836 PMCID: PMC9777732 DOI: 10.3390/foods11244094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022] Open
Abstract
Whole grains have been recommended in the diet in most countries, with numerous publications focusing on their health effect. A systematic analysis of these publications on different research methods, regions and perspectives will contribute to an understanding of the innovation pattern in this field. This bibliometric study analyzes the global publication characteristics, hotspots and frontiers of whole grain health benefit research, and discusses the trends and prospects of this topic. The overall number of publications is on the rise, with the United States contributing the most publications. The most cited literature shows that observational studies, systematic reviews and meta-analysis are the most widely used methods. The main focus in this area is on dietary fiber and bioactive substances, while the latter has received increased attention in recent years in particular. With the increasingly prominent problems of hidden hunger and chronic disease, the development of whole grain foods and their optimum intake have gradually become hot topics. In addition to the need to reveal the mechanism of whole grain health effects, consensus needs to be reached on standards and definitions for whole grain foods, and attention should be paid to the retention of taste and healthy nutrients in processing.
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Affiliation(s)
- Xun Wei
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
| | - Wei Yang
- College of Basic Science, Tianjin Agricultural University, Tianjin 300384, China
| | - Jianhui Wang
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
| | - Yong Zhang
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
| | - Yaxuan Wang
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
| | - Yan Long
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
| | - Bin Tan
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
- Correspondence: (B.T.); (X.W.); Tel.: +86-132-6143-7257 (B.T.); +86-186-0056-1850 (X.W.)
| | - Xiangyuan Wan
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China
- Beijing Beike Institute of Precision Medicine and Health Technology, Beijing 100192, China
- Correspondence: (B.T.); (X.W.); Tel.: +86-132-6143-7257 (B.T.); +86-186-0056-1850 (X.W.)
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