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de Graaf MC, Timmers E, Bonekamp B, van Rooy G, Witteman BJ, Shewry PR, Lovegrove A, America AH, Gilissen LJ, Keszthelyi D, Brouns FJ, Jonkers DMAE. Two randomized crossover multicenter studies investigating gastrointestinal symptoms after bread consumption in individuals with noncoeliac wheat sensitivity: do wheat species and fermentation type matter? Am J Clin Nutr 2024; 119:896-907. [PMID: 38373694 DOI: 10.1016/j.ajcnut.2024.02.008] [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: 08/09/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Many individuals reduce their bread intake because they believe wheat causes their gastrointestinal (GI) symptoms. Different wheat species and processing methods may affect these responses. OBJECTIVES We investigated the effects of 6 different bread types (prepared from 3 wheat species and 2 fermentation conditions) on GI symptoms in individuals with self-reported noncoeliac wheat sensitivity (NCWS). METHODS Two parallel, randomized, double-blind, crossover, multicenter studies were conducted. NCWS individuals, in whom coeliac disease and wheat allergy were ruled out, received 5 slices of yeast fermented (YF) (study A, n = 20) or sourdough fermented (SF) (study B, n = 20) bread made of bread wheat, spelt, or emmer in a randomized order on 3 separate test days. Each test day was preceded by a run-in period of 3 d of a symptom-free diet and separated by a wash-out period of ≥7 d. GI symptoms were evaluated by change in symptom score (test day minus average of the 3-d run-in period) on a 0-100 mm visual analogue scale (ΔVAS), comparing medians using the Friedman test. Responders were defined as an increase in ΔVAS of ≥15 mm for overall GI symptoms, abdominal discomfort, abdominal pain, bloating, and/or flatulence. RESULTS GI symptoms did not differ significantly between breads of different grains [YF bread wheat median ΔVAS 10.4 mm (IQR 0.0-17.8 mm), spelt 4.9 mm (-7.6 to 9.4 mm), emmer 11.0 mm (0.0-21.3 mm), P = 0.267; SF bread wheat 10.5 mm (-3.1 to 31.5 mm), spelt 11.3 mm (0.0-15.3 mm), emmer 4.0 mm (-2.9 to 9.3 mm), P = 0.144]. The number of responders was also comparable for both YF (6 to wheat, 5 to spelt, and 7 to emmer, P = 0.761) and SF breads (9 to wheat, 7 to spelt, and 8 to emmer, P = 0.761). CONCLUSIONS The majority of NCWS individuals experienced some GI symptoms for ≥1 of the breads, but on a group level, no differences were found between different grains for either YF or SF breads. CLINICAL TRIAL REGISTRY clinicaltrials.gov, NCT04084470 (https://classic. CLINICALTRIALS gov/ct2/show/NCT04084470).
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Affiliation(s)
- Marlijne Cg de Graaf
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands
| | - Emma Timmers
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands
| | - Bo Bonekamp
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands
| | - Gonny van Rooy
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands
| | - Ben Jm Witteman
- Division Gastroenterology-Hepatology, Gelderse Vallei Hospital, Ede, The Netherlands; Division of Human Nutrition, Wageningen University & Research, Wageningen, The Netherlands
| | | | | | - Antoine Hp America
- Business Unit Bioscience, Plant Sciences Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Luud Jwj Gilissen
- Plant Breeding, Wageningen University & Research, Wageningen, The Netherlands
| | - Daniel Keszthelyi
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands
| | - Fred Jph Brouns
- NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands; Department of Human Biology, Maastricht University, Maastricht, The Netherlands
| | - Daisy M A E Jonkers
- Department of Gastroenterology-Hepatology, Maastricht University Medical Center+, Maastricht, The Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Faculty of Health, Medicine and Life Sciences, Maastricht University, The Netherlands.
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Valentino V, Magliulo R, Farsi D, Cotter PD, O'Sullivan O, Ercolini D, De Filippis F. Fermented foods, their microbiome and its potential in boosting human health. Microb Biotechnol 2024; 17:e14428. [PMID: 38393607 PMCID: PMC10886436 DOI: 10.1111/1751-7915.14428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Fermented foods (FFs) are part of the cultural heritage of several populations, and their production dates back 8000 years. Over the last ~150 years, the microbial consortia of many of the most widespread FFs have been characterised, leading in some instances to the standardisation of their production. Nevertheless, limited knowledge exists about the microbial communities of local and traditional FFs and their possible effects on human health. Recent findings suggest they might be a valuable source of novel probiotic strains, enriched in nutrients and highly sustainable for the environment. Despite the increasing number of observational studies and randomised controlled trials, it still remains unclear whether and how regular FF consumption is linked with health outcomes and enrichment of the gut microbiome in health-associated species. This review aims to sum up the knowledge about traditional FFs and their associated microbiomes, outlining the role of fermentation with respect to boosting nutritional profiles and attempting to establish a link between FF consumption and health-beneficial outcomes.
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Affiliation(s)
- Vincenzo Valentino
- Department of Agricultural SciencesUniversity of Naples Federico IIPorticiItaly
| | - Raffaele Magliulo
- Department of Agricultural SciencesUniversity of Naples Federico IIPorticiItaly
- NBFC‐National Biodiversity Future CenterPalermoItaly
| | - Dominic Farsi
- Department of Food BiosciencesTeagasc Food Research CentreMooreparkFermoyIreland
| | - Paul D. Cotter
- Department of Food BiosciencesTeagasc Food Research CentreMooreparkFermoyIreland
- APC Microbiome IrelandNational University of IrelandCorkIreland
- VistaMilk, FermoyCorkIreland
| | - Orla O'Sullivan
- Department of Food BiosciencesTeagasc Food Research CentreMooreparkFermoyIreland
- APC Microbiome IrelandNational University of IrelandCorkIreland
- VistaMilk, FermoyCorkIreland
| | - Danilo Ercolini
- Department of Agricultural SciencesUniversity of Naples Federico IIPorticiItaly
- Task Force on Microbiome StudiesUniversity of Naples Federico IIPorticiItaly
| | - Francesca De Filippis
- Department of Agricultural SciencesUniversity of Naples Federico IIPorticiItaly
- NBFC‐National Biodiversity Future CenterPalermoItaly
- Task Force on Microbiome StudiesUniversity of Naples Federico IIPorticiItaly
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Veraza DI, Calderon G, Jansson-Knodell C, Aljaras R, Foster ED, Xu H, Biruete A, Shin A. A systematic review and meta-analysis of diet and nutrient intake in adults with irritable bowel syndrome. Neurogastroenterol Motil 2024; 36:e14698. [PMID: 37897138 PMCID: PMC10963049 DOI: 10.1111/nmo.14698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 10/06/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023]
Abstract
BACKGROUND Numerous individual and environmental factors including diet may play an important role in the pathophysiology of irritable bowel syndrome (IBS). It is unclear to what degree dietary intake is affected in individuals with IBS. We aimed to perform a systematic review and meta-analysis to summarize dietary intake of adults with IBS and to compare dietary intake between adults with IBS and non-IBS controls. METHODS Ovid MEDLINE, Embase, Cochrane, CINAHL, and Scopus were searched through February 2023 for clinical trials and observational studies measuring usual diet in adults with IBS. Pooled weighted averages were estimated for total energy, macronutrient, and micronutrient data. Mean differences (MD) in nutrient intake were estimated for adults with IBS versus non-IBS controls using a random effects model. Heterogeneity was assessed by the inconsistency index (I2). KEY RESULTS Sixty-three full-text articles were included in the review of which 29 studies included both IBS and control subjects. Nutrients not meeting the recommended intake level for any dietary reference values in the IBS population were fiber and vitamin D. Meta-regression by female proportion was positively correlated with total fat intake and negatively correlated with carbohydrate intake. Comparisons between participants with IBS and controls showed significantly lower fiber intake in participants with IBS with high heterogeneity (MD: -1.8; 95% CI: -3.0, -0.6; I2 = 85%). CONCLUSIONS AND INFERENCES This review suggests that fiber and vitamin D intake is suboptimal in IBS; however, overall dietary intake does not appear to be comprised. Causes and consequences of reduced fiber in IBS deserve further study. Results of this systematic review and meta-analysis suggest that fiber and vitamin D intake is suboptimal in IBS. However, overall intake of other macro- and micronutrients does not appear to be compromised. Causes and consequences of reduced fiber and Vitamin D intake in IBS deserve further study.
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Affiliation(s)
- Diego Izquierdo Veraza
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Gerardo Calderon
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Claire Jansson-Knodell
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Rawan Aljaras
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Erin D Foster
- UC Berkeley Library, University of California Berkeley, Berkeley, California, USA
| | - Huiping Xu
- Department of Biostatistics, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Annabel Biruete
- Department of Nutrition and Dietetics, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana, USA
- Department of Nutrition Science, Purdue University, West Lafayette, Indiana, USA
| | - Andrea Shin
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
- Vatche and Tamar Manoukian Division of Digestive Diseases, University of California, Los Angeles, California, USA
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Arora R, Chandel AK. Unlocking the potential of low FODMAPs sourdough technology for management of irritable bowel syndrome. Food Res Int 2023; 173:113425. [PMID: 37803764 DOI: 10.1016/j.foodres.2023.113425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 10/08/2023]
Abstract
Consumption of high FODMAP (Fermentable Oligo-, Di-, and Monosaccharides and Polyols) diet is the leading cause of alteration in the human gut microbiome, thereby, causing irritable bowel syndrome (IBS). Therefore, sourdough technology can be exploited for reduction of FODMAPs in various foods to alleviate the symptoms of IBS. Several microorganisms viz. Pichia fermentans, Lactobacillus fetmentum, Saccharomyces cerevisiae, Torulaspora delbrueckii, Kluyveromyces marxianus etc. have been identified for the production of low FODMAP type II sourdough fermented products. However, more research on regulation of end-product and volatilome profile is required for maximal exploitation of FODMAP-reducing microorganisms. Therefore, the present review is focused on utilisation of lactic acid bacteria and yeasts, alone and in synergy, for the production of low FODMAP sourdough foods. Moreover, the microbial bioprocessing of cereal and non-cereal based low FODMAP fermented sourdough products along with their nutritional and therapeutic benefits have been elaborated. The challenges and future prospects for the production of sourdough fermented low FODMAP foods, thereby, bringing out positive alterations in gut microbiome, have also been discussed.
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Affiliation(s)
- Richa Arora
- Department of Microbiology, Punjab Agricultural University, Ludhiana, Punjab 141004, India
| | - Anuj K Chandel
- Department of Biotechnology, Engineering School of Lorena (EEL), University of São Paulo, Lorena SP 12.602-810, Brazil.
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D’Amico V, Gänzle M, Call L, Zwirzitz B, Grausgruber H, D’Amico S, Brouns F. Does sourdough bread provide clinically relevant health benefits? Front Nutr 2023; 10:1230043. [PMID: 37545587 PMCID: PMC10399781 DOI: 10.3389/fnut.2023.1230043] [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: 05/27/2023] [Accepted: 06/27/2023] [Indexed: 08/08/2023] Open
Abstract
During the last decade, scientific interest in and consumer attention to sourdough fermentation in bread making has increased. On the one hand, this technology may favorably impact product quality, including flavor and shelf-life of bakery products; on the other hand, some cereal components, especially in wheat and rye, which are known to cause adverse reactions in a small subset of the population, can be partially modified or degraded. The latter potentially reduces their harmful effects, but depends strongly on the composition of sourdough microbiota, processing conditions and the resulting acidification. Tolerability, nutritional composition, potential health effects and consumer acceptance of sourdough bread are often suggested to be superior compared to yeast-leavened bread. However, the advantages of sourdough fermentation claimed in many publications rely mostly on data from chemical and in vitro analyzes, which raises questions about the actual impact on human nutrition. This review focuses on grain components, which may cause adverse effects in humans and the effect of sourdough microbiota on their structure, quantity and biological properties. Furthermore, presumed benefits of secondary metabolites and reduction of contaminants are discussed. The benefits claimed deriving from in vitro and in vivo experiments will be evaluated across a broader spectrum in terms of clinically relevant effects on human health. Accordingly, this critical review aims to contribute to a better understanding of the extent to which sourdough bread may result in measurable health benefits in humans.
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Affiliation(s)
- Vera D’Amico
- Department of Food Science and Technology, BOKU–University of Natural Resources and Life Sciences, Vienna, Austria
| | - Michael Gänzle
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Lisa Call
- Department of Crop Sciences, BOKU–University of Natural Resources and Life Sciences, Tulln, Austria
| | - Benjamin Zwirzitz
- Department of Food Science and Technology, BOKU–University of Natural Resources and Life Sciences, Vienna, Austria
| | - Heinrich Grausgruber
- Department of Crop Sciences, BOKU–University of Natural Resources and Life Sciences, Tulln, Austria
| | - Stefano D’Amico
- Institute for Animal Nutrition and Feed, AGES–Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Fred Brouns
- Department of Human Biology, School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
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Roles of fermented plant-, dairy- and meat-based foods in the modulation of allergic responses. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Strategies for Producing Low FODMAPs Foodstuffs: Challenges and Perspectives. Foods 2023; 12:foods12040856. [PMID: 36832931 PMCID: PMC9956220 DOI: 10.3390/foods12040856] [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: 12/21/2022] [Revised: 01/30/2023] [Accepted: 02/08/2023] [Indexed: 02/19/2023] Open
Abstract
In recent years, there has been a growing interest in a diet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs) as a promising therapeutic approach to reduce the symptoms associated with irritable bowel syndrome (IBS). Hence, the development of low FODMAPs products is an important challenge for the food industry, and among the various foodstuffs associated with the intake of FODMAPs, cereal-based products represent an issue. In fact, even if their content in FODMAPs is limited, their large use in diet can be an important factor in developing IBS symptoms. Several useful approaches have been developed to reduce the FODMAPs content in processed food products. Accurate ingredient selection, the use of enzymes or selected yeasts, and the use of fermentation steps carried out by specific lactic bacteria associated with the use of sourdough represent the technical approaches that have been investigated, alone or in combination, to reduce the FODMAPs content in cereal-based products. This review aims to give an overview of the technological and biotechnological strategies applicable to the formulation of low-FODMAPs products, specifically formulated for consumers affected by IBS. In particular, bread has been the foodstuff mainly investigated throughout the years, but information on other raw or processed products has also been reported. Furthermore, taking into account the required holistic approach for IBS symptoms management, in this review, the use of bioactive compounds that have a positive impact on reducing IBS symptoms as added ingredients in low-FODMAPs products is also discussed.
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Fu W, Jia X, Liu C, Meng X, Zhang K, Tao S, Xue W. Sourdough yeast-bacteria interactions results in reduced immunogenicity by increasing depolymerization and hydrolysis of gluten. INNOV FOOD SCI EMERG 2023. [DOI: 10.1016/j.ifset.2023.103281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Ribet L, Dessalles R, Lesens C, Brusselaers N, Durand-Dubief M. Nutritional benefits of sourdoughs: A systematic review. Adv Nutr 2023; 14:22-29. [PMID: 36811591 PMCID: PMC10103004 DOI: 10.1016/j.advnut.2022.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/14/2022] [Accepted: 10/05/2022] [Indexed: 12/23/2022] Open
Abstract
Food fermentation using sourdough-i.e., consortia of lactic bacteria and yeasts-is increasingly considered among the public as a natural transformation yielding nutritional benefits; however, it is unclear whether its alleged properties are validated by science. The aim of this study was to systematically review the clinical evidence related to the effect of sourdough bread on health. Bibliographic searches were performed in 2 different databases (The Lens and PubMed) up to February 2022. Eligible studies were randomized controlled trials involving adults, healthy or not, given any type of sourdough bread compared with those given any type of yeast bread. A total of 573 articles were retrieved and investigated, of which 25 clinical trials met the inclusion criteria. The 25 clinical trials included a total of 542 individuals. The main outcomes investigated in the retrieved studies were glucose response (N = 15), appetite (N = 3), gastrointestinal markers (N = 5), and cardiovascular markers (N = 2). Overall, it is currently difficult to establish a clear consensus with regards to the beneficial effects of sourdough per se on health when compared with other types of bread because a variety of factors, such as the microbial composition of sourdough, fermentation parameters, cereals, and flour types potentially influence the nutritional properties of bread. Nonetheless, in studies using specific strains and fermentation conditions, significant improvements were observed in parameters related to glycemic response, satiety, or gastrointestinal comfort after bread ingestion. The reviewed data suggest that sourdough has great potential to produce a variety of functional foods; however, its complex and dynamic ecosystem requires further standardization to conclude its clinical health benefits.
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Affiliation(s)
- Léa Ribet
- Baking Science, Lesaffre Institute of Science & Technology, Lesaffre, Marcq-en-Barœul, France
| | | | - Corinne Lesens
- Baking Science, Lesaffre Institute of Science & Technology, Lesaffre, Marcq-en-Barœul, France
| | - Nele Brusselaers
- Global Health Institute, Antwerp University, Antwerp, Belgium; Centre for Translational Microbiome Research (CTMR), Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Karolinska Hospital, Stockholm, Sweden; Department of Head and Skin, Ghent University, Ghent, Belgium
| | - Mickaël Durand-Dubief
- Discovery & Front End Innovation, Lesaffre Institute of Science & Technology, Lesaffre, Marcq-en-Barœul, France.
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Borrelli DE Andreis F, Schiepatti A, Gibiino G, Fabbri C, Baiardi P, Biagi F. Is it time to rethink the burden of non-coeliac gluten sensitivity? A systematic review. Minerva Gastroenterol (Torino) 2022; 68:442-449. [PMID: 34929997 DOI: 10.23736/s2724-5985.21.03077-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Non-coeliac gluten sensitivity (NCGS) is still a poorly defined clinical condition. This review aims to describe the clinical features of subjects with a symptomatic response to gluten intake, and to estimate the prevalence of NCGS. EVIDENCE ACQUISITION Literature search was conducted in accordance with PRISMA recommendations. The PubMed database was searched for original articles until 1st June 2020. EVIDENCE SYNTHESIS We identified 30 relevant articles, including 14 studies that investigated NCGS through a double-blind, placebo-controlled crossover trial (DBPCC), and 16 that examined the role of gluten in causing symptoms without a DBPCC. We found that regardless of the diagnostic work up, gluten-sensitive patients were predominately middle-aged females complaining of abdominal pain, bloating and diarrhea. The pooled prevalence of NCGS after DBPCC was 24% (5-34%). Subjects with irritable bowel syndrome or self-reporting gluten intolerance accounted for the vast majority of the patients who did not start a DBPCC. A symptomatic response to a gluten-free diet (GFD) occurred in between 7% and 93% of patients. No data on long-term outcomes of NCGS individuals were reported. CONCLUSIONS Clinical features of NCGS patients did not differ among all the included studies, whereas prevalence figures are rather heterogeneous. Long-term benefit of a GFD on these patients still needs to be ascertained.
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Affiliation(s)
- Federica Borrelli DE Andreis
- Gastroenterology Unit, IRCCS Pavia Institute, Istituti Clinici Scientifici Maugeri, University of Pavia, Pavia, Italy
| | - Annalisa Schiepatti
- Gastroenterology Unit, IRCCS Pavia Institute, Istituti Clinici Scientifici Maugeri, University of Pavia, Pavia, Italy -
| | - Giulia Gibiino
- Gastroenterology and Digestive Endoscopy Unit, Morgagni-Pierantoni Hospital, Forlì, Italy.,M. Bufalini Hospital, AUSL Romagna, Cesena, Italy
| | - Carlo Fabbri
- Gastroenterology and Digestive Endoscopy Unit, Morgagni-Pierantoni Hospital, Forlì, Italy.,M. Bufalini Hospital, AUSL Romagna, Cesena, Italy
| | - Paola Baiardi
- Scientific Direction, Istituti Clinici Scientifici Maugeri, Pavia, Italy
| | - Federico Biagi
- Gastroenterology Unit, IRCCS Pavia Institute, Istituti Clinici Scientifici Maugeri, University of Pavia, Pavia, Italy
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Impact of sourdough fermentation on FODMAPs and amylase-trypsin inhibitor levels in wheat dough. J Cereal Sci 2022. [DOI: 10.1016/j.jcs.2022.103574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Pérez-Alvarado O, Zepeda-Hernández A, Garcia-Amezquita LE, Requena T, Vinderola G, García-Cayuela T. Role of lactic acid bacteria and yeasts in sourdough fermentation during breadmaking: Evaluation of postbiotic-like components and health benefits. Front Microbiol 2022; 13:969460. [PMID: 36187981 PMCID: PMC9524358 DOI: 10.3389/fmicb.2022.969460] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/18/2022] [Indexed: 01/21/2023] Open
Abstract
Sourdough (SD) fermentation is a traditional biotechnological process used to improve the properties of baked goods. Nowadays, SD fermentation is studied for its potential health effects due to the presence of postbiotic-like components, which refer to a group of inanimate microorganisms and/or their components that confer health benefits on the host. Some postbiotic-like components reported in SD are non-viable microorganisms, short-chain fatty acids, bacteriocins, biosurfactants, secreted proteins/peptides, amino acids, flavonoids, exopolysaccharides, and other molecules. Temperature, pH, fermentation time, and the composition of lactic acid bacteria and yeasts in SD can impact the nutritional and sensory properties of bread and the postbiotic-like effect. Many in vivo studies in humans have associated the consumption of SD bread with higher satiety, lower glycemic responses, increased postprandial concentrations of short-chain fatty acids, and improvement in the symptoms of metabolic or gastrointestinal-related diseases. This review highlights the role of bacteria and yeasts used for SD, the formation of postbiotic-like components affected by SD fermentation and the baking process, and the implications of functional SD bread intake for human health. There are few studies characterizing the stability and properties of postbiotic-like components after the baking process. Therefore, further research is necessary to develop SD bread with postbiotic-related health benefits.
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Affiliation(s)
- Omar Pérez-Alvarado
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Food and Biotech Lab, Zapopan, Jalisco, Mexico
| | - Andrea Zepeda-Hernández
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Food and Biotech Lab, Zapopan, Jalisco, Mexico
| | | | - Teresa Requena
- Department of Food Biotechnology and Microbiology, Institute of Food Science Research, CIAL (CSIC), Madrid, Spain
| | - Gabriel Vinderola
- Faculty of Chemical Engineering, Instituto de Lactología Industrial (CONICET-UNL), National University of Litoral, Santa Fe, Argentina
| | - Tomás García-Cayuela
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Food and Biotech Lab, Zapopan, Jalisco, Mexico
- *Correspondence: Tomás García-Cayuela,
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Felber J, Bläker H, Fischbach W, Koletzko S, Laaß M, Lachmann N, Lorenz P, Lynen P, Reese I, Scherf K, Schuppan D, Schumann M, Aust D, Baas S, Beisel S, de Laffolie J, Duba E, Holtmeier W, Lange L, Loddenkemper C, Moog G, Rath T, Roeb E, Rubin D, Stein J, Török H, Zopf Y. Aktualisierte S2k-Leitlinie Zöliakie der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022; 60:790-856. [PMID: 35545109 DOI: 10.1055/a-1741-5946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jörg Felber
- Medizinische Klinik II - Gastroenterologie, Hepatologie, Endokrinologie, Hämatologie und Onkologie, RoMed Klinikum Rosenheim, Rosenheim, Deutschland
| | - Hendrik Bläker
- Institut für Pathologie, Universitätsklinikum Leipzig AöR, Leipzig, Deutschland
| | | | - Sibylle Koletzko
- Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, LMU-Klinikum München, München, Deutschland.,Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, 10-719 Olsztyn, Polen
| | - Martin Laaß
- Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Deutschland
| | - Nils Lachmann
- Institut für Transfusionsmedizin, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - Pia Lorenz
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Petra Lynen
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Imke Reese
- Ernährungsberatung und -therapie Allergologie, München, Deutschland
| | - Katharina Scherf
- Institute of Applied Biosciences Department of Bioactive and Functional Food Chemistry, Karlsruhe Institute of Technology (KIT), Karlsruhe, Deutschland
| | - Detlef Schuppan
- Institut für Translationale Immunologie, Johannes Gutenberg-Universität Mainz, Mainz, Deutschland.,Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Michael Schumann
- Medizinische Klinik I für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
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14
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Rul F, Béra-Maillet C, Champomier-Vergès MC, El-Mecherfi KE, Foligné B, Michalski MC, Milenkovic D, Savary-Auzeloux I. Underlying evidence for the health benefits of fermented foods in humans. Food Funct 2022; 13:4804-4824. [PMID: 35384948 DOI: 10.1039/d1fo03989j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Fermented foods (FFs) have been a part of our diets for millennia and comprise highly diverse products obtained from plants and animals all over the world. Historically, fermentation has been used to preserve food and render certain raw materials edible. As our food systems evolve towards more sustainability, the health benefits of FFs have been increasingly touted. Fermentation generates new/transformed bioactive compounds that may occur in association with probiotic bacteria. The result can be specific, advantageous functional properties. Yet, when considering the body of human studies on the topic, whether observational or experimental, it is rare to come across findings supporting the above assertion. Certainly, results are lacking to confirm the widespread idea that FFs have general health benefits. There are some exceptions, such as in the case of lactose degradation via fermentation in individuals who are lactose intolerant; the impact of select fermented dairy products on insulin sensitivity; or the benefits of alcohol consumption. However, in other situations, the results fail to categorically indicate whether FFs have neutral, beneficial, or detrimental effects on human health. This review tackles this apparent incongruity by showing why it is complex to test the health effects of FFs and what can be done to improve knowledge in this field.
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Affiliation(s)
- F Rul
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - C Béra-Maillet
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - M C Champomier-Vergès
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, Jouy-en-Josas, France
| | - K E El-Mecherfi
- INRAE, UR1268 Biopolymères Interactions Assemblages, 44300 Nantes, France
| | - B Foligné
- Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - M C Michalski
- Univ-Lyon, CarMeN Laboratory, Inserm, U1060, INRAE, UMR1397, Université Claude Bernard Lyon 1, 69310 Pierre Bénite, France
| | - D Milenkovic
- Université Clermont Auvergne, INRAE, UMR1019, Unité Nutrition Humaine, Clermont-Ferrand, France. .,Department of Nutrition, University of California, Davis, Davis, CA, USA
| | - I Savary-Auzeloux
- Université Clermont Auvergne, INRAE, UMR1019, Unité Nutrition Humaine, Clermont-Ferrand, France.
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15
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Geisslitz S, Weegels P, Shewry P, Zevallos V, Masci S, Sorrells M, Gregorini A, Colomba M, Jonkers D, Huang X, De Giorgio R, Caio GP, D'Amico S, Larré C, Brouns F. Wheat amylase/trypsin inhibitors (ATIs): occurrence, function and health aspects. Eur J Nutr 2022; 61:2873-2880. [PMID: 35235033 PMCID: PMC9363355 DOI: 10.1007/s00394-022-02841-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 02/11/2022] [Indexed: 12/20/2022]
Abstract
Amylase/trypsin inhibitors (ATIs) are widely consumed in cereal-based foods and have been implicated in adverse reactions to wheat exposure, such as respiratory and food allergy, and intestinal responses associated with coeliac disease and non-coeliac wheat sensitivity. ATIs occur in multiple isoforms which differ in the amounts present in different types of wheat (including ancient and modern ones). Measuring ATIs and their isoforms is an analytical challenge as is their isolation for use in studies addressing their potential effects on the human body. ATI isoforms differ in their spectrum of bioactive effects in the human gastrointestinal (GI), which may include enzyme inhibition, inflammation and immune responses and of which much is not known. Similarly, although modifications during food processing (exposure to heat, moisture, salt, acid, fermentation) may affect their structure and activity as shown in vitro, it is important to relate these changes to effects that may present in the GI tract. Finally, much of our knowledge of their potential biological effects is based on studies in vitro and in animal models. Validation by human studies using processed foods as commonly consumed is warranted. We conclude that more detailed understanding of these factors may allow the effects of ATIs on human health to be better understood and when possible, to be ameliorated, for example by innovative food processing. We therefore review in short our current knowledge of these proteins, focusing on features which relate to their biological activity and identifying gaps in our knowledge and research priorities.
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Affiliation(s)
| | - Peter Weegels
- Netherlands and European Bakery Innovation Centre, Sonneveld Group BV, Papendrecht, and Wageningen University and Research, Wageningen, Netherlands
| | - Peter Shewry
- Laboratory of Food Chemistry, Rothamsted Research, Harpenden, UK
| | - Victor Zevallos
- Nutrition and Food Research Group, Department of Applied and Health Sciences, University of Northumbria, Newcastle Upon Tyne, UK
| | - Stefania Masci
- Department of Agricultural and Forestry Sciences, University of Tuscia, Tuscia, Italy
| | - Mark Sorrells
- School of Integrative Plant Science, Plant Breeding and Genetics Section, Cornell University, Ithaca, USA
| | - Armando Gregorini
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Mariastella Colomba
- Department of Biomolecular Sciences, University of Urbino "Carlo Bo", Urbino, Italy
| | - Daisy Jonkers
- Division of Gastroenterology-Hepatology, Department Internal Medicine, School for Nutrition and Translational Research in Metabolism Maastricht, Maastricht University, Maastricht, Netherlands
| | - Xin Huang
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Roberto De Giorgio
- Department of Translational Medicine, St. Anna Hospital, University of Ferrara, Ferrara, Italy
| | - Giacomo P Caio
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Stefano D'Amico
- Institute for Animal Nutrition and Feed, AGES - Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Colette Larré
- INRAE UR1268 BIA, Impasse Thérèse Bertrand-Fontaine, 44000, Nantes, France
| | - Fred Brouns
- Department of Human Biology, School for Nutrition and Translational Research in Metabolism Maastricht, Maastricht University, Maastricht, Netherlands
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16
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Graça C, Edelmann M, Raymundo A, Sousa I, Coda R, Sontag-Strohm T, Huang X. Yoghurt as a starter in sourdough fermentation to improve the technological and functional properties of sourdough-wheat bread. J Funct Foods 2022. [DOI: 10.1016/j.jff.2021.104877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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17
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Abstract
The growing interest in the consumption and study of traditionally fermented food worldwide has led to the development of numerous scientific investigations that have focused on analyzing the microbial and nutritional composition and the health effects derived from the consumption of these foods. Traditionally fermented foods and beverages are a significant source of nutrients, including proteins, essential fatty acids, soluble fiber, minerals, vitamins, and some essential amino acids. Additionally, fermented foods have been considered functional due to their prebiotic content, and the presence of specific lactic acid bacterial strains (LAB), which have shown positive effects on the balance of the intestinal microbiota, providing a beneficial impact in the treatment of diseases. This review presents a bibliographic compilation of scientific studies assessing the effect of the nutritional content and LAB profile of traditional fermented foods on different conditions such as obesity, diabetes, and gastrointestinal disorders.
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18
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Sourdough Fermentation as a Tool to Improve the Nutritional and Health-Promoting Properties of Its Derived-Products. FERMENTATION-BASEL 2021. [DOI: 10.3390/fermentation7040246] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cereal products are staple foods highly appreciated and consumed worldwide. Nonetheless, due to the presence of gluten proteins, and other co-existing compounds such as amylase-trypsin inhibitors and fermentable short-chain carbohydrates in those products, their preference by consumers has substantially decreased. Gluten affects the small gut of people with celiac disease, triggering a gut inflammation condition via auto-immune response, causing a cascade of health disorders. Amylase-trypsin inhibitors and fermentable short-chain carbohydrate compounds that co-exists with gluten in the cereal-based foods matrix have been associated with several gastrointestinal symptoms in non-celiac gluten sensitivity. Since the symptoms are somewhat overlapped, the relation between celiac disease and irritable bowel syndrome has recently received marked interest by researchers. Sourdough fermentation is one of the oldest ways of bread leavening, by lactic acid bacteria and yeasts population, converting cereal flour into attractive, tastier, and more digestible end-products. Lactic acid bacteria acidification in situ is a key factor to activate several cereal enzymes as well as the synthesis of microbial active metabolites, to positively influence the nutritional/functional and health-promoting benefits of the derived products. This review aims to explore and highlight the potential of sourdough fermentation in the Food Science and Technology field.
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19
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de Sousa T, Ribeiro M, Sabença C, Igrejas G. The 10,000-Year Success Story of Wheat! Foods 2021; 10:2124. [PMID: 34574233 PMCID: PMC8467621 DOI: 10.3390/foods10092124] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/04/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Wheat is one of the most important cereal crops in the world as it is used in the production of a diverse range of traditional and modern processed foods. The ancient varieties einkorn, emmer, and spelt not only played an important role as a source of food but became the ancestors of the modern varieties currently grown worldwide. Hexaploid wheat (Triticum aestivum L.) and tetraploid wheat (Triticum durum Desf.) now account for around 95% and 5% of the world production, respectively. The success of this cereal is inextricably associated with the capacity of its grain proteins, the gluten, to form a viscoelastic dough that allows the transformation of wheat flour into a wide variety of staple forms of food in the human diet. This review aims to give a holistic view of the temporal and proteogenomic evolution of wheat from its domestication to the massively produced high-yield crop of our day.
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Affiliation(s)
- Telma de Sousa
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (T.d.S.); (M.R.); (C.S.)
- Functional Genomics and Proteomics Unity, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
- LAQV-REQUIMTE, Faculty of Science and Technology, University Nova of Lisbon, 2825-149 Lisbon, Caparica, Portugal
| | - Miguel Ribeiro
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (T.d.S.); (M.R.); (C.S.)
- Functional Genomics and Proteomics Unity, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
- LAQV-REQUIMTE, Faculty of Science and Technology, University Nova of Lisbon, 2825-149 Lisbon, Caparica, Portugal
| | - Carolina Sabença
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (T.d.S.); (M.R.); (C.S.)
- Functional Genomics and Proteomics Unity, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
- LAQV-REQUIMTE, Faculty of Science and Technology, University Nova of Lisbon, 2825-149 Lisbon, Caparica, Portugal
| | - Gilberto Igrejas
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (T.d.S.); (M.R.); (C.S.)
- Functional Genomics and Proteomics Unity, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
- LAQV-REQUIMTE, Faculty of Science and Technology, University Nova of Lisbon, 2825-149 Lisbon, Caparica, Portugal
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20
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Zimmermann J, Hubel P, Pfannstiel J, Afzal M, Longin CFH, Hitzmann B, Götz H, Bischoff SC. Comprehensive proteome analysis of bread deciphering the allergenic potential of bread wheat, spelt and rye. J Proteomics 2021; 247:104318. [PMID: 34224905 DOI: 10.1016/j.jprot.2021.104318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/09/2021] [Accepted: 06/30/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES Cereal products like flour and bread are known to trigger diseases such as wheat allergy, celiac disease and non-celiac wheat sensitivity (NCWS). Some of these diseases are caused by allergenic proteins, the expression of which might vary depending on the grain type and manufacturing processes. Therefore, we examined the protein composition and abundance of potentially allergenic proteins in flours from bread wheat, spelt and rye, and corresponding breads. MATERIALS AND METHODS Using Nano-LC-ESI-MS/MS and label free quantification (LFQ) we analyzed the proteome of six different bread flours (wholegrain and superfine flours from rye, spelt and bread wheat) and 14 bread types (yeast and sourdough fermented breads from all flours and wheat breads plus/minus bread improver). Potentially allergenic proteins in flours and breads were functionally categorized using the Pfam database and relatively quantified by LFQ. RESULTS We could show that almost equal numbers of proteins can be identified in rye- and spelt samples compared to wheat samples using the Uniprot bread wheat protein database, indicating high sequence conservation between cereals. In total, 4424 proteins were identified in the 20 flour and bread samples. The average number of identified proteins in flour (2719 ± 243) was slightly higher than in bread (2283 ± 232; P < 0.001). In wheat- and spelt wholegrain flour higher protein numbers (wheat: 2891 ± 90; spelt: 2743 ± 140) were identified on average than in superfine flour (wheat: 2562 ± 79; P = 0.009; spelt: 2431 ± 140; P = 0.004). Neither the absolute number nor the abundance distribution of potentially allergenic proteins were dependent on the flour type or the fermentation process, but known allergenic proteins like gliadins showed higher relative abundance in spelt- and wheat samples, compared to rye samples. CONCLUSION We provide comprehensive proteome data for six flour types and related breads showing that the grain species have greater influence on proteome composition than milling and fermentation processes. Our data indicate that allergenic proteins are not selectively degraded during bread production and are more abundant in bread wheat and spelt compared to rye. SIGNIFICANCE Our proteomics study revealed that bread contains a number of potentially and proven allergenic proteins. Most likely allergenicity is not dependent on milling or conventional fermentation processes, but on the grain type. Relative abundance of allergenic proteins was higher in spelt- and wheat samples than in rye samples. Considering rye bread as better suited to atopic individuals predisposed to react to cereal allergens, clinical trials are warranted to verify this assumption.
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Affiliation(s)
- Julia Zimmermann
- Department of Nutritional Medicine/Prevention, University of Hohenheim, Fruwirthstrasse 12, Stuttgart 70593, Germany.
| | - Philipp Hubel
- Core Facility Hohenheim, Mass Spectrometry Module, University of Hohenheim, August-von-Hartmann-Strasse 3, 70599 Stuttgart, Germany.
| | - Jens Pfannstiel
- Core Facility Hohenheim, Mass Spectrometry Module, University of Hohenheim, August-von-Hartmann-Strasse 3, 70599 Stuttgart, Germany.
| | - Muhammad Afzal
- State Plant Breeding Institute, University of Hohenheim, Fruwirthstrasse 21, 70599 Stuttgart, Germany.
| | - C Friedrich H Longin
- State Plant Breeding Institute, University of Hohenheim, Fruwirthstrasse 21, 70599 Stuttgart, Germany.
| | - Bernd Hitzmann
- Department of Process Analytics and Cereal Science, University of Hohenheim, Garbenstraße, 23 70599 Stuttgart, Germany.
| | - Herbert Götz
- Department of Process Analytics and Cereal Science, University of Hohenheim, Garbenstraße, 23 70599 Stuttgart, Germany.
| | - Stephan C Bischoff
- Department of Nutritional Medicine/Prevention, University of Hohenheim, Fruwirthstrasse 12, Stuttgart 70593, Germany.
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21
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Lau SW, Chong AQ, Chin NL, Talib RA, Basha RK. Sourdough Microbiome Comparison and Benefits. Microorganisms 2021; 9:microorganisms9071355. [PMID: 34201420 PMCID: PMC8306212 DOI: 10.3390/microorganisms9071355] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 12/11/2022] Open
Abstract
Sourdough is the oldest form of leavened bread used as early as 2000 BC by the ancient Egyptians. It may have been discovered by accident when wild yeast drifted into dough that had been left out resulting in fermentation of good microorganisms, which made bread with better flavour and texture. The discovery was continued where sourdough was produced as a means of reducing wastage with little known (at that point of time) beneficial effects to health. With the progress and advent of science and technology in nutrition, sourdough fermentation is now known to possess many desirable attributes in terms of health benefits. It has become the focus of attention and practice in modern healthy eating lifestyles when linked to the secret of good health. The sourdough starter is an excellent habitat where natural and wild yeast plus beneficial bacteria grow by ingesting only water and flour. As each sourdough starter is unique, with different activities, populations and interactions of yeast and bacteria due to different ingredients, environment, fermentation time and its carbohydrate fermentation pattern, there is no exact elucidation on the complete make-up of the sourdough microbiome. Some lactic acid bacteria (LAB) strains that are part of the sourdough starter are considered as probiotics which have great potential for improving gastrointestinal health. Hence, from a wide literature surveyed, this paper gives an overview of microbial communities found in different sourdough starters. This review also provides a systematic analysis that identifies, categorises and compares these microbes in the effort of linking them to specific functions, particularly to unlock their health benefits.
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Affiliation(s)
| | | | - Nyuk Ling Chin
- Correspondence: ; Tel.: +603-9769-6353; Fax: +603-9769-4440
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22
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Geisslitz S, Shewry P, Brouns F, America AHP, Caio GPI, Daly M, D'Amico S, De Giorgio R, Gilissen L, Grausgruber H, Huang X, Jonkers D, Keszthelyi D, Larré C, Masci S, Mills C, Møller MS, Sorrells ME, Svensson B, Zevallos VF, Weegels PL. Wheat ATIs: Characteristics and Role in Human Disease. Front Nutr 2021; 8:667370. [PMID: 34124122 PMCID: PMC8192694 DOI: 10.3389/fnut.2021.667370] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 04/30/2021] [Indexed: 12/11/2022] Open
Abstract
Amylase/trypsin-inhibitors (ATIs) comprise about 2–4% of the total wheat grain proteins and may contribute to natural defense against pests and pathogens. However, they are currently among the most widely studied wheat components because of their proposed role in adverse reactions to wheat consumption in humans. ATIs have long been known to contribute to IgE-mediated allergy (notably Bakers' asthma), but interest has increased since 2012 when they were shown to be able to trigger the innate immune system, with attention focused on their role in coeliac disease which affects about 1% of the population and, more recently, in non-coeliac wheat sensitivity which may affect up to 10% of the population. This has led to studies of their structure, inhibitory properties, genetics, control of expression, behavior during processing, effects on human adverse reactions to wheat and, most recently, strategies to modify their expression in the plant using gene editing. We therefore present an integrated account of this range of research, identifying inconsistencies, and gaps in our knowledge and identifying future research needs. Note This paper is the outcome of an invited international ATI expert meeting held in Amsterdam, February 3-5 2020
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Affiliation(s)
- Sabrina Geisslitz
- Department of Bioactive and Functional Food Chemistry, Institute of Applied Biosciences, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | | | - Fred Brouns
- Department of Human Biology, Faculty of Health, Medicine and Life Sciences, School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, Netherlands
| | - Antoine H P America
- BU Bioscience, Plant Sciences Group, Wageningen University and Research, Wageningen, Netherlands
| | - Giacomo Pietro Ismaele Caio
- Department of Morphology, Surgery and Experimental Medicine, St. Anna Hospital, University of Ferrara, Ferrara, Italy
| | - Matthew Daly
- Division of Infection, Immunity and Respiratory Medicine, Manchester Institute of Biotechnology, University of Manchester, Manchester, United Kingdom
| | - Stefano D'Amico
- Institute for Animal Nutrition and Feed, AGES - Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Roberto De Giorgio
- Division of Infection, Immunity and Respiratory Medicine, Manchester Institute of Biotechnology, University of Manchester, Manchester, United Kingdom
| | - Luud Gilissen
- Wageningen University and Research, Plant Breeding, Wageningen, Netherlands
| | - Heinrich Grausgruber
- Department of Crop Sciences, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Xin Huang
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Daisy Jonkers
- Division of Gastroenterology-Hepatology, Department of Internal Medicine and School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University Medical Centre, Maastricht, Netherlands
| | - Daniel Keszthelyi
- Division of Gastroenterology-Hepatology, Department of Internal Medicine and School for Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University Medical Centre, Maastricht, Netherlands
| | - Colette Larré
- INRAE UR1268 BIA, Impasse Thérèse Bertrand-Fontaine, Nantes, France
| | - Stefania Masci
- Department of Agriculture and Forest Sciences, University of Tuscia, Via San Camillo de Lellis, Viterbo, Italy
| | - Clare Mills
- Division of Infection, Immunity and Respiratory Medicine, Manchester Institute of Biotechnology, University of Manchester, Manchester, United Kingdom
| | - Marie Sofie Møller
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
| | - Mark E Sorrells
- School of Integrative Plant Science, Plant Breeding and Genetics Section, Cornell University, Ithaca, NY, United States
| | - Birte Svensson
- Enzyme and Protein Chemistry, Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
| | - Victor F Zevallos
- Nutrition and Food Research Group, Department of Applied and Health Sciences, University of Northumbria, Newcastle Upon Tyne, United Kingdom
| | - Peter Louis Weegels
- Laboratory of Food Chemistry, Wageningen University and Research, Wageningen, Netherlands
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23
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Enzymatic and microbial conversions to achieve sugar reduction in bread. Food Res Int 2021; 143:110296. [PMID: 33992395 DOI: 10.1016/j.foodres.2021.110296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/03/2021] [Accepted: 03/03/2021] [Indexed: 12/18/2022]
Abstract
A standard level of sugar addition to bread is 2% (flour base) but sweet baked goods including hamburger buns, hot dog buns and some sandwich bread contain more than 10% sucrose. This study aimed to provide an integrated assessment of different strategies for sugar-reduced bread by using isomaltooligosaccharides (IMO) as bulk sweetening agent, polysaccharide hydrolases to generate sugars from flour polysaccharides, and sourdough. Trained panel sensory analyses of the intensity of sour and sweet tastes were compared to the concentration of organic acids and the sugar concentration of bread. Sourdough fermentation reduced the sweet taste intensity of bread produced with 9% sucrose. This effect was more pronounced with Leuconostoc mesenteroides, which converts fructose to mannitol with concomitant production of acetate. Addition of up to 20% sourdough fermented with Weissella cibaria 10 M, which does not produce mannitol and less acetate when compared to L. mesenteroides, did not substantially reduce the sweet taste intensity. Bread produced with 9% IMO tasted less sweet than bread prepared with 9% sucrose but partial replacement of sucrose with IMO maintained the sweet taste intensity. Addition of 4.5% IMO in combination with W. cibaria sourdough, amyloglucosidase and the fructosidase FruA enabled production of bread with 50% reduced sucrose addition while maintaining the sweet taste intensity. In conclusion, the single use of a sweet bulking agent, of amyloglucosidase or fructanases or the use of sourdough alone, did not maintain the sweet taste intensity of sugar-reduced bread, however, a combination of the three approaches allowed a reduction of sucrose addition without reducing the sweet taste intensity.
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24
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Drabińska N, Ogrodowczyk A. Crossroad of Tradition and Innovation – The Application of Lactic Acid Fermentation to Increase the Nutritional and Health-Promoting Potential of Plant-Based Food Products – a Review. POL J FOOD NUTR SCI 2021. [DOI: 10.31883/pjfns/134282] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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25
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Pitsch J, Sandner G, Huemer J, Huemer M, Huemer S, Weghuber J. FODMAP Fingerprinting of Bakery Products and Sourdoughs: Quantitative Assessment and Content Reduction through Fermentation. Foods 2021; 10:foods10040894. [PMID: 33921672 PMCID: PMC8074121 DOI: 10.3390/foods10040894] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/12/2022] Open
Abstract
Fermentable oligo-, di-, and monosaccharides and polyols (FODMAPs) are associated with digestive disorders and with diseases such as irritable bowel syndrome. In this study, we determined the FODMAP contents of bread, bakery products, and flour and assessed the effectiveness of sourdough fermentation for FODMAP reduction. The fermentation products were analyzed to determine the DP 2-7 and DP >7 fructooligosaccharide (FOS) content of rye and wheat sourdoughs. FOSs were reduced by Acetobacter cerevisiae, Acetobacter okinawensis, Fructilactobacillus sanfranciscensis, and Leuconostoc citreum to levels below those in rye (-81%; -97%) and wheat (-90%; -76%) flours. The fermentation temperature influenced the sourdough acetic acid to lactic acid ratios (4:1 at 4 °C; 1:1 at 10 °C). The rye sourdough contained high levels of beneficial arabinose (28.92 g/kg) and mannitol (20.82 g/kg). Our study contributes in-depth knowledge of low-temperature sourdough fermentation in terms of effective FODMAP reduction and concurrent production of desirable fermentation byproducts.
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Affiliation(s)
- Johannes Pitsch
- FFoQSI Austrian Competence Center for Feed and Food Quality, Safety and Innovation, Stelzhamerstrasse 23, 4600 Wels, Austria; (J.P.); (J.H.); (M.H.)
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, Stelzhamerstrasse 23, 4600 Wels, Austria;
| | - Georg Sandner
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, Stelzhamerstrasse 23, 4600 Wels, Austria;
| | - Jakob Huemer
- FFoQSI Austrian Competence Center for Feed and Food Quality, Safety and Innovation, Stelzhamerstrasse 23, 4600 Wels, Austria; (J.P.); (J.H.); (M.H.)
| | - Maximilian Huemer
- FFoQSI Austrian Competence Center for Feed and Food Quality, Safety and Innovation, Stelzhamerstrasse 23, 4600 Wels, Austria; (J.P.); (J.H.); (M.H.)
| | - Stefan Huemer
- Fischer Brot GmbH, Nebingerstraße 5, 4020 Linz, Austria;
| | - Julian Weghuber
- FFoQSI Austrian Competence Center for Feed and Food Quality, Safety and Innovation, Stelzhamerstrasse 23, 4600 Wels, Austria; (J.P.); (J.H.); (M.H.)
- Center of Excellence Food Technology and Nutrition, University of Applied Sciences Upper Austria, Stelzhamerstrasse 23, 4600 Wels, Austria;
- Correspondence: ; Tel.: +43-0508-044-4403
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Martín-Garcia A, Riu-Aumatell M, López-Tamames E. Influence of Process Parameters on Sourdough Microbiota, Physical Properties and Sensory Profile. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1906698] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Alba Martín-Garcia
- Departament of Nutrition, Food Sciences and Gastronomy, Campus Torribera, Universitat de Barcelona (UB), Institut de Recerca En Nutrició I Seguretat Alimentària (INSA-UB), XaRTA, Santa Coloma De Gramenet, España
| | - Montserrat Riu-Aumatell
- Departament of Nutrition, Food Sciences and Gastronomy, Campus Torribera, Universitat de Barcelona (UB), Institut de Recerca En Nutrició I Seguretat Alimentària (INSA-UB), XaRTA, Santa Coloma De Gramenet, España
| | - Elvira López-Tamames
- Departament of Nutrition, Food Sciences and Gastronomy, Campus Torribera, Universitat de Barcelona (UB), Institut de Recerca En Nutrició I Seguretat Alimentària (INSA-UB), XaRTA, Santa Coloma De Gramenet, España
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Bradauskiene V, Vaiciulyte-Funk L, Shah B, Cernauskas D, Tita M. Recent Advances in Biotechnological Methods for Wheat Gluten Immunotoxicity Abolishment – a Review. POL J FOOD NUTR SCI 2021. [DOI: 10.31883/pjfns/132853] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Degradation of Wheat Germ Agglutinin during Sourdough Fermentation. Foods 2021; 10:foods10020340. [PMID: 33562539 PMCID: PMC7915439 DOI: 10.3390/foods10020340] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/26/2021] [Accepted: 02/02/2021] [Indexed: 12/15/2022] Open
Abstract
Non Celiac Wheat Sensitivity (NCWS) is an intolerance to wheat products and individuals with NCWS often adhere to a gluten free diet. However, gluten free diets are often associated with a reduced sensory and nutritional quality. Wheat Germ Agglutinin (WGA) is one of the wheat components linked to NCWS. This study explored the fate of WGA during sourdough fermentation. To assess the role of thiol-exchange reactions and proteolysis, sourdoughs were fermented with Fructilactobacillus sanfranciscensis DSM20451, F. sanfranciscensis DSM20451ΔgshR, which lacks glutathione reductase activity, or Latilactobacillus sakei TMW1.22, with or without addition of fungal protease. The conversion of WGA was determined by size exclusion chromatography of fluorescence-labeled WGA, and by enzyme-linked immunosorbent assay (ELISA). Commercial whole wheat flour contained 6.6 ± 0.7 μg WGA/g. After fermentation with L. sakei TMW1.22 and F. sanfranciscensis DSM20451, the WGA content was reduced (p < 0.05) to 2.7 ± 0.4 and 4.3 ± 0.3 μg WGA/g, respectively, while the WGA content remained unchanged in chemically acidified controls or in doughs fermented with F. sanfranciscensis DSM20451ΔgshR. Protease addition did not affect the WGA content. In conclusion, the fate of WGA during sourdough fermentation relates to thiol-exchange reactions but not to proteolytic degradation.
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Yeast Biodiversity in Fermented Doughs and Raw Cereal Matrices and the Study of Technological Traits of Selected Strains Isolated in Spain. Microorganisms 2020; 9:microorganisms9010047. [PMID: 33375367 PMCID: PMC7824024 DOI: 10.3390/microorganisms9010047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022] Open
Abstract
Bakers use pure microorganisms and/or traditional sourdoughs as the leavening agent for making bread. The performance of each starter and the substances produced by the microorganisms greatly affect the dough rheology and features of breads. Modern sourdoughs inoculated with selected lactic acid bacteria and yeasts are microbiologically stable, safer than traditional sourdoughs, and easy to use. However, the commercial repertoire of baker’s yeasts is still limited. Therefore, there is a demand for new strains of yeast species, capable of conferring distinctive traits to breads made from a variety of agri-food matrices, in the design of innovative starters. In this context, we report the first comprehensive study on yeasts isolated from a wide range of fermented doughs, cereal flours, and grains of Spain. Nine yeast species were identified from 433 isolates, which were distributed among separate clades. Moreover, phenotypic traits of potential technological relevance were identified in selected yeast strains. Mother doughs (MDs) showed the greatest yeast biodiversity, whereas commercial Saccharomyces starters or related and wild strains often dominated the bakery doughs. A metataxonomic analysis of wheat and tritordeum MDs revealed a greater richness of yeast species and percentage variations related to the consistency, flour type, and fermentation time of MDs.
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Fraberger V, Ladurner M, Nemec A, Grunwald-Gruber C, Call LM, Hochegger R, Domig KJ, D’Amico S. Insights into the Potential of Sourdough-Related Lactic Acid Bacteria to Degrade Proteins in Wheat. Microorganisms 2020; 8:microorganisms8111689. [PMID: 33143014 PMCID: PMC7693696 DOI: 10.3390/microorganisms8111689] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 12/16/2022] Open
Abstract
Sourdough processing contributes to better digestible wheat-based bakery products, especially due to the proteolytic activity of lactic acid bacteria (LAB). Therefore, sourdough-related LAB were screened for their capacity to degrade immunogenic proteins like gluten and alpha-amylase-trypsin inhibitors (ATIs). Firstly, the growth of 87 isolates was evaluated on a gluten-based medium. Further, the breakdown capacity of selected isolates was determined for gluten with a focus on gliadins by measuring acidification parameters and MALDI-TOF MS protein profiles. ATI degradation after 72 h of incubation within an ATI-based medium was investigated by means of acidification, HPLC, and competitive ELISA. All isolates exhibited the potential to degrade ATIs to a high degree, whereas the gliadin degradation capacity varied more greatly among tested LAB, with Lacticaseibacillus paracasei Lpa4 exhibiting the strongest alterations of the gliadin pattern, followed by Lactiplantibacillus plantarum Lpl5. ATI degradation capacities ranged from 52.3% to 85.0% by HPLC and 22.2% to 70.2% by ELISA, with Lacticaseibacillus paracasei Lpa4 showing superior breakdown properties. Hence, a selection of specific starter cultures can be used in sourdough processing for wheat-based bakery products with reduced gluten and ATI content and, further, better tolerated products for patients suffering from non-celiac wheat sensitivity (NCWS).
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Affiliation(s)
- Vera Fraberger
- Department of Food Science and Technology, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria; (V.F.); (M.L.); (A.N.); (L.M.C.); (K.J.D.)
| | - Martin Ladurner
- Department of Food Science and Technology, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria; (V.F.); (M.L.); (A.N.); (L.M.C.); (K.J.D.)
| | - Alexandra Nemec
- Department of Food Science and Technology, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria; (V.F.); (M.L.); (A.N.); (L.M.C.); (K.J.D.)
| | - Clemens Grunwald-Gruber
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria;
| | - Lisa M. Call
- Department of Food Science and Technology, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria; (V.F.); (M.L.); (A.N.); (L.M.C.); (K.J.D.)
- Institute for Animal Nutrition and Feed, Austrian Agency for Health and Food Safety (AGES), Spargelfeldstraße 191, 1220 Vienna, Austria
| | - Rupert Hochegger
- Institute of Food Safety, Austrian Agency for Health and Food Safety (AGES), Spargelfeldstraße 191, 1220 Vienna, Austria;
| | - Konrad J. Domig
- Department of Food Science and Technology, University of Natural Resources and Life Sciences Vienna (BOKU), 1190 Vienna, Austria; (V.F.); (M.L.); (A.N.); (L.M.C.); (K.J.D.)
| | - Stefano D’Amico
- Institute for Animal Nutrition and Feed, Austrian Agency for Health and Food Safety (AGES), Spargelfeldstraße 191, 1220 Vienna, Austria
- Correspondence: ; Tel.: +43-(0)5-0555-34950
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Boradyn KM, Przybyłowicz KE, Jarocka-Cyrta E. Low FODMAP Diet Is Not Effective in Children with Functional Abdominal Pain: A Randomized Controlled Trial. ANNALS OF NUTRITION AND METABOLISM 2020; 76:334-344. [PMID: 33075788 DOI: 10.1159/000510795] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 08/09/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION A diet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAP) has been shown to reduce symptoms among adult patients and children with irritable bowel syndrome. There are no studies investigating the effectiveness of the low FODMAP diet in pediatric patients with functional abdominal pain (FAP). OBJECTIVE The study aimed to evaluate the effectiveness of the low FODMAP diet in reducing gastrointestinal symptoms in children with FAP in comparison to the control diet based on the National Institute for Health and Care Excellence (NICE) guidelines. METHODS Twenty-seven children with diagnosed FAP were randomized to 2 groups. Each group received an intervention: the low FODMAP diet or the diet based on NICE. All food was prepared and delivered by a catering company. Data regarding gastrointestinal symptoms were recorded by participants during the 2-week baseline assessment and 4-week dietary intervention. The frequencies of abdominal pain and stools were reported as a number of events per day. The severity of abdominal pain was assessed using the Wong-Baker FACES Pain Rating Scale. The assessment of stool consistency was based on the Bristol Stool Form Scale. RESULTS The tendency toward the improvement in abdominal symptoms was noted in the low FODMAP group but without statistical significance. No significant differences in stool consistency were observed in this group. The NICE group experienced significant reduction in abdominal pain intensity and frequency (p < 0.01) and improvement in stool consistency (93% reporting normal stool, p < 0.05). CONCLUSIONS The results of this pilot study suggest that the low FODMAP diet is not effective in the reduction of symptoms in children with FAP.
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Affiliation(s)
- Katarzyna Mirosława Boradyn
- Department of Human Nutrition, Faculty of Food Sciences, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland,
| | | | - Elżbieta Jarocka-Cyrta
- Department of Pediatrics, Gastroenterology and Nutrition, Faculty of Medicine Collegium Medicum, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
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Comment on "Sourdough Fermentation Degrades Wheat Alpha-Amylase/Trypsin Inhibitor (ATI) and Reduces Pro-Inflammatory Activity". Foods 2020, 9, 943. Foods 2020; 9:foods9101404. [PMID: 33022921 PMCID: PMC7600571 DOI: 10.3390/foods9101404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 09/28/2020] [Indexed: 11/17/2022] Open
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Huang X, Gänzle M, Loponen J, Schuppan D. Reply to Comment on Sourdough Fermentation Degrades Wheat Alpha-Amylase/Trypsin Inhibitor (ATI) and Reduces Pro-Inflammatory Activity. Foods 2020, 9, 943. Foods 2020; 9:foods9101405. [PMID: 33022956 PMCID: PMC7599801 DOI: 10.3390/foods9101405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 09/28/2020] [Indexed: 12/21/2022] Open
Affiliation(s)
- Xin Huang
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, PL 66, FI-00014 Helsinki, Finland
- Correspondence:
| | - Michael Gänzle
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada;
| | | | - Detlef Schuppan
- Institute of Translational Immunology and Research Center for Immunotherapy, University Medical Center, Johannes Gutenberg University, 55131 Mainz, Germany;
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Gong Y, Qi X. A study revealing volatile aroma produced by Pediococcus pentosaceus in dough fermentation. Food Sci Nutr 2020; 8:5077-5085. [PMID: 32994968 PMCID: PMC7500783 DOI: 10.1002/fsn3.1807] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 06/14/2020] [Accepted: 07/14/2020] [Indexed: 01/19/2023] Open
Abstract
Pediococcus pentosaceus is important probiotics in Chinese Laomian. Its role in meat and fermented vegetable has been largely demonstrated, but few studies have investigated the role of P. pentosaceus in Chinese Laomian. For this purpose, we simulated Laomian fermentation using Saccharomyces cerevisiae and P. pentosaceus. Volatile aroma was detected by headspace solid-phase microextraction gas-chromatography-mass spectrometry. Real-time fluorescent quantitative polymerase chain reaction was used to determine dynamic growth of S. cerevisiae and P. pentosaceus in fermentation. Extracellular proteins were analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Folin-Ciocalteu method was used to detect extracellular protease activity in different pH values. Owing to addition of P. pentosaceus, the types and contents of esters increase, the relative contents of acetic acid hexyl ester, formic acid octyl ester, and heptanoic acid ethyl ester rise obliviously; especially, the relative content of hexanoic acid ethyl ester was highly correlated with P. pentosaceus by increasing 20.61%. As the gel electrophoresis results display, due to mixed fermentation of S. cerevisiae and P. pentosaceus, the 25k Da and 51k Da proteins expression quantity of P. pentosaceus clearly increased. Under neutral and alkaline culture conditions, the extracellular protease activity of P. pentosaceus is higher. This research benefits to gain insight into the fermentation actions of P. pentosaceus in Chinese Laomian.
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Affiliation(s)
- Yunxia Gong
- College of Food Science and TechnologyHuazhong Agricultural UniversityWuhanChina
| | - Xiaobao Qi
- College of Food Science and TechnologyHuazhong Agricultural UniversityWuhanChina
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Longin C, Beck H, Gütler A, Gütler H, Heilig W, Zimmermann J, Bischoff S, Würschum T. Influence of wheat variety and dough preparation on FODMAP content in yeast-leavened wheat breads. J Cereal Sci 2020. [DOI: 10.1016/j.jcs.2020.103021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Li Q, Loponen J, Gänzle MG. Characterization of the Extracellular Fructanase FruA in Lactobacillus crispatus and Its Contribution to Fructan Hydrolysis in Breadmaking. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8637-8647. [PMID: 32687341 DOI: 10.1021/acs.jafc.0c02313] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Fermentable oligosaccharides, disaccharides, monosaccharides, and polyols (FODMAPs) trigger symptoms of irritable bowel syndrome (IBS). Fructan degradation during bread making reduces FODMAPs in bread while maintaining the content of dietary fiber. This study explored the presence of the fructanases FruA in lactobacilli and characterized its use in bread making. FruA was exclusively present in vertebrate-adapted lactobacilli. In Lactobacillus crispatus DSM29598, FruA was located in cell wall fractions and includes a SLAP domain. FruA hydrolyzed levan or inulin; expression of fruA was not subject to catabolite repression. Fructans in bread were reduced by less than 50% in a straight dough process; conventional sourdough fermentation reduced fructans in bread by 65-70%. Sourdough fermentation with L. crispatus reduced fructans in bread by more than 90%. In conclusion, reduction of FODMAP by sourdough fermentation may improve tolerance in many IBS patients. Fermentation with FruA-expressing L. crispatus DSM29598 produces a low FODMAP bread.
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Affiliation(s)
- Qing Li
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | | | - Michael G Gänzle
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
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Sourdough Fermentation Degrades Wheat Alpha-Amylase/Trypsin Inhibitor (ATI) and Reduces Pro-Inflammatory Activity. Foods 2020; 9:foods9070943. [PMID: 32708800 PMCID: PMC7404469 DOI: 10.3390/foods9070943] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/13/2020] [Accepted: 07/13/2020] [Indexed: 12/15/2022] Open
Abstract
The ingestion of gluten-containing foods can cause wheat-related disorders in up to 15% of wheat consuming populations. Besides the role of gluten, α-amylase/trypsin inhibitors (ATI) have recently been identified as inducers of an innate immune response via toll-like receptor 4 in celiac disease and non-celiac wheat sensitivity. ATI are involved in plant self-defense against insects and possibly in grain development. Notably, they are largely resistant to gastrointestinal proteases and heat, and their inflammatory activity affects not only the intestine, but also peripheral organs. The aim of this study was to understand the changes of ATI throughout the sourdough and yeast-fermented bread-making processes. ATI tetramers were isolated, fluorescein-labelled, and added to a mini-dough bread-making system. When the pH decreased below 4.0 in sourdough fermentation, the ATI tetramers were degraded due to the activation of aspartic proteases, whilst in yeast fermentation, ATI tetramers remained intact. The amylase inhibitory activity after sourdough fermentation decreased significantly, while the concentration of free thiol groups increased. The glutathione reductase activity of Fructilactobacillus sanfranciscensis did not contribute to the reduction of ATI tetramers. Compared to the unfermented wheat, sourdough fermentation was able to decrease the release of pro-inflammatory cytokines monocyte chemoattractant protein-1 (MCP-1) and tumor necrosis factor alpha (TNF-α) in quantitative ATI extracts added to the human monocytic cell line THP-1. The current data suggest that sourdough fermentation can degrade ATI structure and bioactivity, and point to strategies to improve product development for wheat sensitivity patients.
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Nyyssölä A, Ellilä S, Nordlund E, Poutanen K. Reduction of FODMAP content by bioprocessing. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.03.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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39
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Gänzle MG. Food fermentations for improved digestibility of plant foods – an essential ex situ digestion step in agricultural societies? Curr Opin Food Sci 2020. [DOI: 10.1016/j.cofs.2020.04.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Fermented foods and inflammation: A systematic review and meta-analysis of randomized controlled trials. Clin Nutr ESPEN 2020; 35:30-39. [DOI: 10.1016/j.clnesp.2019.10.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 10/17/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023]
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Differential Physiological Responses Elicited by Ancient and Heritage Wheat Cultivars Compared to Modern Ones. Nutrients 2019; 11:nu11122879. [PMID: 31779167 PMCID: PMC6950659 DOI: 10.3390/nu11122879] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 11/22/2019] [Indexed: 02/07/2023] Open
Abstract
Although ancient, heritage, and modern wheat varieties appear rather similar from a nutritional point of view, having a similar gluten content and a comparable toxicity linked to their undigested gluten peptide, whenever the role of ancient end heritage wheat grains has been investigated in animal studies or in clinical trials, more anti-inflammatory effects have been associated with the older wheat varieties. This review provides a critical overview of existing data on the differential physiological responses that could be elicited in the human body by ancient and heritage grains compared to modern ones. The methodology used was that of analyzing the results of relevant studies conducted from 2010 through PubMed search, by using as keywords “ancient or heritage wheat”, “immune wheat” (protein or peptides), and immune gluten (protein or peptides). Our conclusion is that, even if we do not know exactly which molecular mechanisms are involved, ancient and heritage wheat varieties have different anti-inflammatory and antioxidant proprieties with respect to modern cultivars. It is, therefore, reasonable to assume that the health proprieties attributed to older cultivars could be related to wheat components which have positive roles in the modulation of intestinal inflammation and/or permeability.
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Kowalczewski PŁ, Walkowiak K, Masewicz Ł, Duda A, Poliszko N, Różańska MB, Jeżowski P, Tomkowiak A, Mildner-Szkudlarz S, Baranowska HM. Wheat bread enriched with raspberry and strawberry oilcakes: effects on proximate composition, texture and water properties. Eur Food Res Technol 2019. [DOI: 10.1007/s00217-019-03370-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Abstract
Oilcakes from the oilseed industry are rich in dietary fibre and protein by-products. We assessed the impact of wheat flour replacement with raspberry and strawberry oilcakes on the proximate composition of bread, colour, texture and water behaviour. The substitution influenced the ash, fat and protein content causing an increase in the content of each of the analysed macronutrients. The crumb colour components (CIE L*a*b*) were shifted toward red while the saturation of yellow decreased. Texture analysis showed that the hardness and chewiness of crumb with oilcakes increased as well as springiness decreased. It was found that flour substitution with oilcakes limited significantly water transport and also influenced the molecular dynamics of water in the bread crumb. 1H NMR measurement results of relaxation times demonstrated that the free water in relation to the bound water in the examined systems depended on the amount of the flour replaced by the oilcake, as well as on the botanical origin of the oilcakes.
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Gluten and FODMAPS-Sense of a Restriction/When Is Restriction Necessary? Nutrients 2019; 11:nu11081957. [PMID: 31434299 PMCID: PMC6723650 DOI: 10.3390/nu11081957] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/12/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022] Open
Abstract
Gluten-free diet (GFD) is enjoying increasingly popularity, although gluten-free products are considerably more expensive. GFD is absolutely necessary for patients with celiac disease, as in this case even minor amounts of gluten can lead to the destruction of the intestinal mucosa. In addition, GFD is currently the best therapy to improve clinical symptoms of patients with non-celiac gluten sensitivity (NCGS), although the diet may not be as strict as that for patients with celiac disease. Beside gluten, other wheat components such as oligosaccharides and amylase trypsin inhibitors are discussed as triggers of NCGS in this review. An overlap between gastrointestinal symptoms in NCGS and irritable bowel syndrome (IBS) is described. Patients with NCGS attribute their symptoms to the consumption of gluten, while patients with IBS rarely describe gluten as a trigger. Recently, several studies have demonstrated that the introduction of a low FODMAP (fermentable oligo-, di-, monosaccharides, and polyols) diet reduced gastrointestinal symptoms in patients with IBS and this diet is suggested as the first choice of therapy in IBS. However, a low FODMAP diet also eliminates prebiotica and may negatively influence the gut microbiota. For this reason, the diet should be liberalized after symptom improvement. There is no evidence that a GFD is healthier than the standard diet. In contrast, GFD often is accompanied by nutritional deficiencies, mainly minerals and vitamins. Therefore, GFD and low FODMAP diets are not recommended for healthy subjects. Since wheat contains fructans belonging to FODMAPs), a GFD is not only gluten-free but also has less FODMAPs. Thus, symptom improvement cannot be correctly correlated with the reduction of either one or the other.
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Dimidi E, Cox SR, Rossi M, Whelan K. Fermented Foods: Definitions and Characteristics, Impact on the Gut Microbiota and Effects on Gastrointestinal Health and Disease. Nutrients 2019; 11:nu11081806. [PMID: 31387262 PMCID: PMC6723656 DOI: 10.3390/nu11081806] [Citation(s) in RCA: 229] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/31/2019] [Accepted: 08/02/2019] [Indexed: 12/16/2022] Open
Abstract
Fermented foods are defined as foods or beverages produced through controlled microbial growth, and the conversion of food components through enzymatic action. In recent years, fermented foods have undergone a surge in popularity, mainly due to their proposed health benefits. The aim of this review is to define and characterise common fermented foods (kefir, kombucha, sauerkraut, tempeh, natto, miso, kimchi, sourdough bread), their mechanisms of action (including impact on the microbiota), and the evidence for effects on gastrointestinal health and disease in humans. Putative mechanisms for the impact of fermented foods on health include the potential probiotic effect of their constituent microorganisms, the fermentation-derived production of bioactive peptides, biogenic amines, and conversion of phenolic compounds to biologically active compounds, as well as the reduction of anti-nutrients. Fermented foods that have been tested in at least one randomised controlled trial (RCT) for their gastrointestinal effects were kefir, sauerkraut, natto, and sourdough bread. Despite extensive in vitro studies, there are no RCTs investigating the impact of kombucha, miso, kimchi or tempeh in gastrointestinal health. The most widely investigated fermented food is kefir, with evidence from at least one RCT suggesting beneficial effects in both lactose malabsorption and Helicobacter pylori eradication. In summary, there is very limited clinical evidence for the effectiveness of most fermented foods in gastrointestinal health and disease. Given the convincing in vitro findings, clinical high-quality trials investigating the health benefits of fermented foods are warranted.
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Affiliation(s)
- Eirini Dimidi
- King's College London, Department of Nutritional Sciences, London SE1 9NH, UK
| | - Selina Rose Cox
- King's College London, Department of Nutritional Sciences, London SE1 9NH, UK
| | - Megan Rossi
- King's College London, Department of Nutritional Sciences, London SE1 9NH, UK
| | - Kevin Whelan
- King's College London, Department of Nutritional Sciences, London SE1 9NH, UK.
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Kikut J, Konecka N, Ziętek M, Szczuko M. Inflammatory Bowel Disease Etiology: Current Knowledge. Pteridines 2018. [DOI: 10.1515/pteridines-2018-0020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Abstract
Non-specific inflammatory bowel diseases (IBD) include Crohn’s disease (CD) and ulcerative colitis (UC). Both diseases are characterized by chronic inflammation of unclear etiology. The inflammatory bowel diseases incidence is continuously observed to rise. Colon inflammatory response is a physiological process which occurrence is indispensable as an organisms’ defense reaction. The inflammation may be caused by internal factors associated with body’s cells as well as external factors, such as infections and exposition for inflammatory agents. Until recently, IBD have been classified as autoimmune diseases, today they seem to be associated with gut barrier disorders or dysbiosis. Factors that predispose to inflammatory bowel diseases include: genetic factors, dysbiosis and so called western-type diet, natural components such as gluten and lactose. In addition, the development of the disease is favored by: cigarette smoking, phosphate, nanomolecules, sodium chloride, emulgents, carrageenan, carboxymethylcellulose, pollution, maltodextrin. IBD affects whole the body, causing serious medical consequences. Symptoms like anxiety and chronic stress, that occur commonly, can lead to depressive disorders. Quantitative and qualitative dietary deficiency caused by absorption disorders, may promote the occurrence of osteoporosis and osteopenia. In addition, dysbiosis coexisting with alterations in intestinal permeability can lead to the development of nonalcoholic fatty liver disease. IBD medical consequences include also systemic complications, associated with the extra gastrointestinal manifestations’ occurrence.
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Affiliation(s)
- Justyna Kikut
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University in Szczecin , Poland
| | - Nina Konecka
- Department of Applied Neurocognitivistic, Pomeranian Medical University in Szczecin , Poland
| | - Maciej Ziętek
- Department of Perinatology, Obstetrics and Gynecology Pomeranian Medical University in Szczecin , Poland
| | - Małgorzata Szczuko
- Departament of Biochemistry and Human Nutrition, Pomeranian Medical University in Szczecin , Poland
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New Protocol for Production of Reduced-Gluten Wheat Bread and Pasta and Clinical Effect in Patients with Irritable Bowel Syndrome: A randomised, Double-Blind, Cross-Over Study. Nutrients 2018; 10:nu10121873. [PMID: 30513824 PMCID: PMC6316462 DOI: 10.3390/nu10121873] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 11/25/2018] [Accepted: 11/28/2018] [Indexed: 12/12/2022] Open
Abstract
It has been suggested that sourdough fermented products have beneficial health effects. Fungal proteases and selected sourdough lactic acid bacteria were used to produce wheat bread and pasta with a reduced-gluten content (<50% of traditional products). Fermentable oligo-, di- and mono- saccharides and polyols and amylase/trypsin inhibitors were also evaluated. The sensorial features of new products were similar to traditional ones. The efficacy of these new products in reducing the severity of symptoms in Irritable Bowel Syndrome (IBS) patients were compared to traditional bread and pasta using a randomized, crossover-controlled trial. While on a strict gluten-free diet, patients were randomized to consume a reduced- or normal-gluten diet for 2weeks; then, patients from both arms started the wash-out period of one week, and subsequently started the final 2-week period on a normal or reduced-gluten diet. Compared to normal-gluten content, the administration of a reduced-gluten content diet resulted in a decrease of the Visual Analogue Scale score (p = 0.042), while no differences were found in the IBS-Severity Score, Hospital Anxiety and Depression Scale, and IBS-Quality of Life. Data herein reported are novel encouraging findings that should spur a new avenue of research aiming to develop products specifically designed for IBS patients.
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Fraberger V, Call LM, Domig KJ, D'Amico S. Applicability of Yeast Fermentation to Reduce Fructans and Other FODMAPs. Nutrients 2018; 10:E1247. [PMID: 30200589 PMCID: PMC6163668 DOI: 10.3390/nu10091247] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 08/28/2018] [Accepted: 09/04/2018] [Indexed: 12/11/2022] Open
Abstract
A diet low in fermentable oligosaccharides, disaccharides, monosaccharides and, polyols (FODMAPs) is recommended for people affected by irritable bowel syndrome (IBS) and non-coeliac wheat sensitivity (NCWS) in order to reduce symptoms. Therefore, the aim of this study was to evaluate the impact of 13 sourdough-related yeasts on FODMAP degradation, especially fructans. First, a model system containing a typical wheat carbohydrate profile was applied to evaluate the growth rate of each yeast strain. Additionally, changes in the sugar composition, for up to four days, were monitored by high-pressure anion-exchange chromatography (HPAEC). A more realistic approach with a wheat flour suspension was used to characterize CO₂ production according to the Einhorn method. The reduction of the total fructans was analyzed using an enzymatic method. Furthermore, a fingerprint of the present fructans with different degrees of polymerization was analyzed by HPAEC. The results revealed strong differences in the examined yeast strains' ability to degrade fructans, in both the model system and wheat flour. Overall, Saccharomycescerevisiae isolated from Austrian traditional sourdough showed the highest degree of degradation of the total fructan content and the highest gas building capacity, followed by Torulasporadelbrueckii. Hence, this study provides novel knowledge about the FODMAP conversion of yeast strains.
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Affiliation(s)
- Vera Fraberger
- Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), 1190 Vienna, Austria.
| | - Lisa-Maria Call
- Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), 1190 Vienna, Austria.
| | - Konrad J Domig
- Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), 1190 Vienna, Austria.
| | - Stefano D'Amico
- Department of Food Science and Technology, University of Natural Resources and Life Sciences (BOKU), 1190 Vienna, Austria.
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Loponen J, Gänzle MG. Use of Sourdough in Low FODMAP Baking. Foods 2018; 7:E96. [PMID: 29932101 PMCID: PMC6068548 DOI: 10.3390/foods7070096] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 12/14/2022] Open
Abstract
A low FODMAP (fermentable oligosaccharides, disaccharides, monosaccharides, and polyols) diet allows most irritable bowel syndrome (IBS) patients to manage their gastrointestinal symptoms by avoiding FODMAP-containing foods, such as onions, pulses, and products made from wheat or rye. The downside of a low FODMAP diet is the reduced intake of dietary fiber. Applying sourdoughs—with specific FODMAP-targeting metabolic properties—to wholegrain bread making can help to remarkably reduce the content of FODMAPs in bread without affecting the content of the slowly fermented and well-tolerated dietary fiber. In this review, we outline the metabolism of FODMAPs in conventional sourdoughs and outline concepts related to fructan and mannitol metabolism that allow development of low FODMAP sourdough bread. We also summarize clinical studies where low FODMAP but high fiber, rye sourdough bread was tested for its effects on gut fermentation and gastrointestinal symptoms with very promising results. The sourdough bread-making process offers a means to develop natural and fiber-rich low FODMAP bakery products for IBS patients and thereby help them to increase their dietary fiber intake.
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Affiliation(s)
| | - Michael G Gänzle
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada.
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Novel insights on the functional/nutritional features of the sourdough fermentation. Int J Food Microbiol 2018; 302:103-113. [PMID: 29801967 DOI: 10.1016/j.ijfoodmicro.2018.05.018] [Citation(s) in RCA: 158] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 05/15/2018] [Accepted: 05/17/2018] [Indexed: 12/18/2022]
Abstract
As one of the most traditional biotechnologies, sourdough fermentation has deep effects on rheology, sensory and shelf life attributes of baked goods. The most recent literature has also highlighted the effects of sourdough fermentations on several functional/nutritional features of baked goods. While some aspects such as the potential to lower glycemic index, increase mineral bioavailability and decrease the gluten content have been proven almost definitively, others potentialities are emerging, which deserve novel insights. This reviews reports the main evidence on the use of sourdough fermentation for salt reduction in baked goods, management of irritable bowel syndrome (IBS), synthesis/release of bioactive compounds, especially the metabolism of phenolic compounds, and exploitation of the potential of non-conventional flours (legumes and pseudo-cereals) and milling by-products (bran and germ). A brief description on the spiritual, cultural and functional/nutritional significance of leavened bread throughout centuries has also given.
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