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Adamberg S, Adamberg K. Prevotella enterotype associates with diets supporting acidic faecal pH and production of propionic acid by microbiota. Heliyon 2024; 10:e31134. [PMID: 38779015 PMCID: PMC11109898 DOI: 10.1016/j.heliyon.2024.e31134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 03/21/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024] Open
Abstract
Metabolism of dietary fibres by colon microbiota plays an important role for human health. Personal data from a nutrition study (57 subjects) were analysed to elucidate quantitative associations between the diet, faecal microbiome, organic acid concentrations and pH. Ratios of the predominant acids acetate, butyrate and propionate ranged from 1:0.67:0.27 to 1:0.17:0.36. Pectin-rich diets resulted in higher faecal acetate concentrations. Negative correlation between faecal pH and BSS was observed. Higher faecal pH and lower acid concentrations were related to the higher abundance of amino acid degrading Clostridium, Odoribacter and Eubacterium coprostanoligenes, which are weak carbohydrate fermenting taxa. Propionic acid correlated especially to high abundance of Prevotella and low abundance of proteobacteria. The acetate to propionate ratio of the Prevotella enterotype was about half of that of the Bacteroides enterotype. Based on the results we suggest the measurement of faecal pH and organic acid composition for research and diagnostic purposes.
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Affiliation(s)
- Signe Adamberg
- Tallinn University of Technology, Department of Chemistry and Biotechnology, 12618, Tallinn, Estonia
| | - Kaarel Adamberg
- Tallinn University of Technology, Department of Chemistry and Biotechnology, 12618, Tallinn, Estonia
- Center of Food and Fermentation Technologies, 12618, Tallinn, Estonia
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Ribeiro PVDM, Veloso TG, de Oliveira LL, Mendes NP, Alfenas RDCG. Consumption of yacon flour and energy-restricted diet increased the relative abundance of intestinal bacteria in obese adults. Braz J Microbiol 2023; 54:3085-3099. [PMID: 37807018 PMCID: PMC10689717 DOI: 10.1007/s42770-023-01140-w] [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: 04/13/2023] [Accepted: 09/26/2023] [Indexed: 10/10/2023] Open
Abstract
Prebiotics can alter the gastrointestinal environment, favoring the growth of health-promoting bacteria. Although yacon is a functional food, with prebiotic properties (fructooligosaccharides), its effects on the intestinal microbiota have not been investigated yet. The objective of this study was to evaluate the effects of yacon flour consumption and energy-restricted diet in the intestinal microbiota in adults with excess body weight. Twenty-one adults with excess body weight were included in this randomized, parallel, double-blind, placebo-controlled, 6-week clinical trial. Subjects daily consumed at breakfast a drink containing 25 g of yacon flour (n = 11) or not containing yacon (n = 10) and received the prescription of energy-restricted diets. Fecal samples were collected on the first and on last day of the study. 16S rRNA sequencing was assessed to evaluate the effect of yacon fermentation on intestinal microbiota bacterial composition. There was an increase in the genera Bifidobacterium, Blautia, Subdoligranulum, and Streptococcus after the consumption of yacon and energy-restricted diet. In the yacon group, we also observed a positive correlation between the concentrations of short-chain fatty acids versus the genera Coprococcus and Howardella, besides a negative correlation between the concentrations of advanced glycation end products and early glycation products versus the genera Ruminococcus and Prevotella, respectively. Consumption of yacon flour and energy-restricted diet selectively changed the intestinal microbiota composition in adults with excess body weight. TRIAL REGISTRATION: Register number: RBR-6YH6BQ. Registered 23 January, 2018.
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Affiliation(s)
- Priscila Vaz de Melo Ribeiro
- Department of Nutrition and Health, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Tomas Gomes Veloso
- Department of Microbiology, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Leandro Licursi de Oliveira
- Department of General Biology, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Nélia Pinheiro Mendes
- Department of Nutrition and Health, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Rita de Cássia Gonçalves Alfenas
- Department of Nutrition and Health, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil
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Zanardi KR, Grancieri M, Silva CW, Trivillin LO, Viana ML, Costa AGV, Costa NMB. Functional effects of yacon ( Smallanthus sonchifolius) and kefir on systemic inflammation, antioxidant activity, and intestinal microbiome in rats with induced colorectal cancer. Food Funct 2023; 14:9000-9017. [PMID: 37740322 DOI: 10.1039/d3fo02599c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/24/2023]
Abstract
Colorectal cancer (CRC) is one of the most common cancers with high morbidity and mortality. The modulation of intestinal health through the administration of pro- and prebiotics may be a viable alternative to reduce the risk of CRC. This study aimed to evaluate the functional effects of yacon and kefir, isolated or associated, in rats with colorectal cancer. Adult Wistar rats were divided into five groups (n = 8): HC (healthy control AIN-93M diet), CC (CCR + AIN-93M diet), Y (CCR + AIN-93 M + yacon diet), K (CCR + AIN-93-M + kefir diet) and YK (CCR + AIN-93 M + yacon + kefir diet). Colorectal carcinogenesis was induced in groups CC, Y, K, and YK with 1,2-dimethylhydrazine (55 mg kg-1, subcutaneously) for 5 weeks. From the 6th week onwards, the experimental groups were fed the respective diets. In the 15th week, urine was collected for analysis of intestinal permeability and then the animals were euthanized. Yacon increased acetate levels, reduced pH and carcinogenic neoplastic lesions, and increased the abundance of bacteria related to the fermentation of non-digestible carbohydrates, such as the genera Dorea, Collinsela, and Bifidobacteria. On the other hand, kefir increased macroscopic neoplastic lesions and increased the abundance of Firmicutes and Clostridium. The association of yacon + kefir increased the number of carcinogenic lesions, despite a reduction in pH and beneficial bacteria prevalence. Thus, it is concluded that yacon, unlikely kefir, is a promising alternative to mitigate the manifestations of induced carcinogenesis in rats.
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Affiliation(s)
- Keila Rodrigues Zanardi
- Postgraduate Program in Food Science and Technology, Centre of Agricultural and Engineering Sciences, Federal University of Espirito Santo (Universidade Federal do Espírito Santo - UFES), Alto Universitário, Guararema, 29500-000, Alegre, ES, Brazil.
| | - Mariana Grancieri
- Postgraduate Program in Food Science and Technology, Centre of Agricultural and Engineering Sciences, Federal University of Espirito Santo (Universidade Federal do Espírito Santo - UFES), Alto Universitário, Guararema, 29500-000, Alegre, ES, Brazil.
- Department of Pharmacy and Nutrition, Centre of Exact, Natural and Health Sciences, UFES, Alegre, ES, Brazil
| | - Caroline Woelffel Silva
- Postgraduate Program in Food Science and Technology, Centre of Agricultural and Engineering Sciences, Federal University of Espirito Santo (Universidade Federal do Espírito Santo - UFES), Alto Universitário, Guararema, 29500-000, Alegre, ES, Brazil.
| | - Leonardo Oliveira Trivillin
- Department of Veterinary Medicine, Centre of Agricultural and Engineering Sciences, UFES, Alegre, ES, Brazil
| | - Mirelle Lomar Viana
- Department of Pharmacy and Nutrition, Centre of Exact, Natural and Health Sciences, UFES, Alegre, ES, Brazil
| | - André Gustavo Vasconcelos Costa
- Postgraduate Program in Food Science and Technology, Centre of Agricultural and Engineering Sciences, Federal University of Espirito Santo (Universidade Federal do Espírito Santo - UFES), Alto Universitário, Guararema, 29500-000, Alegre, ES, Brazil.
- Department of Pharmacy and Nutrition, Centre of Exact, Natural and Health Sciences, UFES, Alegre, ES, Brazil
| | - Neuza Maria Brunoro Costa
- Postgraduate Program in Food Science and Technology, Centre of Agricultural and Engineering Sciences, Federal University of Espirito Santo (Universidade Federal do Espírito Santo - UFES), Alto Universitário, Guararema, 29500-000, Alegre, ES, Brazil.
- Department of Pharmacy and Nutrition, Centre of Exact, Natural and Health Sciences, UFES, Alegre, ES, Brazil
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Almutairi R, Basson AR, Wearsh P, Cominelli F, Rodriguez-Palacios A. Validity of food additive maltodextrin as placebo and effects on human gut physiology: systematic review of placebo-controlled clinical trials. Eur J Nutr 2022; 61:2853-2871. [PMID: 35230477 PMCID: PMC9835112 DOI: 10.1007/s00394-022-02802-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 01/06/2022] [Indexed: 01/16/2023]
Abstract
PURPOSE Maltodextrin (MDX) is a polysaccharide food additive commonly used as oral placebo/control to investigate treatments/interventions in humans. The aims of this study were to appraise the MDX effects on human physiology/gut microbiota, and to assess the validity of MDX as a placebo-control. METHODS We performed a systematic review of randomized-placebo-controlled clinical trials (RCTs) where MDX was used as an orally consumed placebo. Data were extracted from study results where effects (physiological/microbial) were attributed (or not) to MDX, and from study participant outcomes data, before-and-after MDX consumption, for post-publication 're-analysis' using paired-data statistics. RESULTS Of two hundred-sixteen studies on 'MDX/microbiome', seventy RCTs (n = 70) were selected for analysis. Supporting concerns regarding the validity of MDX as a placebo, the majority of RCTs (60%, CI 95% = 0.48-0.76; n = 42/70; Fisher-exact p = 0.001, expected < 5/70) reported MDX-induced physiological (38.1%, n = 16/42; p = 0.005), microbial metabolite (19%, n = 8/42; p = 0.013), or microbiome (50%, n = 21/42; p = 0.0001) effects. MDX-induced alterations on gut microbiome included changes in the Firmicutes and/or Bacteroidetes phyla, and Lactobacillus and/or Bifidobacterium species. Effects on various immunological, inflammatory markers, and gut function/permeability were also documented in 25.6% of the studies (n = 10/42). Notably, there was considerable variability in the direction of effects (decrease/increase), MDX dose, form (powder/pill), duration, and disease/populations studied. Overall, only 20% (n = 14/70; p = 0.026) of studies cross-referenced MDX as a justifiable/innocuous placebo, while 2.9% of studies (n = 2/70) acknowledged their data the opposite. CONCLUSION Orally-consumed MDX often (63.9% of RCTs) induces effects on human physiology/gut microbiota. Such effects question the validity of MDX as a placebo-control in human clinical trials.
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Affiliation(s)
- Rawan Almutairi
- Department of Pathology, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH, 44106, USA
| | - Abigail Raffner Basson
- Department of Medicine and Division of Gastroenterology & Liver Diseases, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Digestive Health Research Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Pamela Wearsh
- Department of Pathology, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH, 44106, USA
| | - Fabio Cominelli
- Department of Medicine and Division of Gastroenterology & Liver Diseases, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Digestive Health Research Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
- University Hospitals Research and Education Institute, University Hospital Cleveland Medical Center, Cleveland, OH, USA
| | - Alexander Rodriguez-Palacios
- Department of Medicine and Division of Gastroenterology & Liver Diseases, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
- Digestive Health Research Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, USA.
- Germ-Free and Gut Microbiome Core, Cleveland Digestive Diseases Research Core Center, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH, USA.
- University Hospitals Research and Education Institute, University Hospital Cleveland Medical Center, Cleveland, OH, USA.
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Influence of Smallanthus sonchifolius (Yacon) on the Activity of Antidepressant Drugs in Mice. Life (Basel) 2021; 11:life11111117. [PMID: 34832993 PMCID: PMC8624190 DOI: 10.3390/life11111117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 11/16/2022] Open
Abstract
Depression is one of the most common mental disorders in the world that negatively affects the daily functioning of patients. Numerous studies are currently being conducted to examine the antidepressant potential of innovative synthetic compounds and herbal substances. Yacon, Smallantchus sonchifolius, belongs to plants with numerous health-beneficial properties. Yacon-based products are regarded as a functional food. In our study, we attempted to check whether administration of Yacon tuber extract would have an antidepressant effect in the forced swim test (FST) in mice and whether its intake could influence the activity of conventional antidepressant drugs with different mechanisms of action, i.e., imipramine hydrochloride, fluoxetine hydrochloride, and reboxetine mesylate. The spontaneous locomotor activity of the tested mice was also investigated to eliminate any false-positive results. We demonstrated that an intragastric administration of the Yacon tuber extract at a dose of 100 mg/kg induced the antidepressant-like behavior in the FST in mice and that a combined administration of the sub-effective doses of the Yacon extract (50 mg/kg) with imipramine hydrochloride (7.5 mg/kg), fluoxetine hydrochloride (20 mg/kg), or reboxetine mesylate (5 mg/kg) significantly reduced the immobility time of animals in this behavioral test. The obtained results were not affected by the increased locomotor activity of the tested subjects. In conclusion, our findings suggest that Yacon tuber extract is promising as an alternative mood-improving product since it possesses an antidepressant potential and it can acts synergistically with conventional antidepressant drugs.
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Verediano TA, Viana ML, das G.V. Tostes M, Costa NM. The Potential Prebiotic Effects of Yacon (Smallanthus sonchifolius) in Colorectal Cancer. CURRENT NUTRITION & FOOD SCIENCE 2021. [DOI: 10.2174/1573401316999200605160433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Background:
Colorectal cancer is caused by genetic predisposition and lifestyle risk factors
and is associated with altered homeostasis of the intestinal microbiota. Evidence suggests that
chronic infection and inflammation contribute to carcinogenic mutagenesis and promote cancer initiation
and progression. Food components with prebiotic properties, such as fructooligosaccharides
(FOS), promote intestinal integrity and health benefits. Yacon (Smallanthus sonchifolius) is an abundant
source of FOS, which are fermented by beneficial bacteria, improving the intestinal environment
affected by colorectal cancer.
Objective:
In the current review, the aim was to discuss colorectal cancer and its inflammatory process
of development. Also, some general aspects concerning yacon roots and its prebiotic properties
are described. Finely, the beneficial effects of yacon to reduce intestinal parameters altered due to
colorectal cancer are summarized.
Conclusion:
It was verified that yacon might improve immunological parameters, intestinal barrier,
intestinal microbiota, and inflammation in induced colorectal cancer in animals, especially. Researches
with humans must be further investigated to prove these positive effects.
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Affiliation(s)
- Thaísa A. Verediano
- Department of Pharmacy and Nutrition, Center for Exact Natural and Health Sciences, Federal University of Espirito Santo, Alegre-ES, Brazil
| | - Mirelle L. Viana
- Department of Pharmacy and Nutrition, Center for Exact Natural And Health Sciences, Federal University of Espirito Santo, Alegre-ES, Brazil
| | - Maria das G.V. Tostes
- Department of Pharmacy and Nutrition, Center for Exact Natural And Health Sciences, Federal University of Espirito Santo, Alegre-ES, Brazil
| | - Neuza M.B. Costa
- Department of Pharmacy and Nutrition, Center for Exact Natural And Health Sciences, Federal University of Espirito Santo, Alegre-ES, Brazil
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Yacon (Smallanthus sonchifolius)-based product increases fecal short-chain fatty acids and enhances regulatory T cells by downregulating RORγt in the colon of BALB/c mice. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.02.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Machado AM, da Silva NBM, Chaves JBP, Alfenas RDCG. Consumption of yacon flour improves body composition and intestinal function in overweight adults: A randomized, double-blind, placebo-controlled clinical trial. Clin Nutr ESPEN 2018; 29:22-29. [PMID: 30661690 DOI: 10.1016/j.clnesp.2018.12.082] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 12/03/2018] [Accepted: 12/10/2018] [Indexed: 01/04/2023]
Abstract
BACKGROUND & AIMS Yacon root is a natural source of fructooligosaccharides (FOS), and it has been studied for its potential effect as a functional food. However, FOS in the in natura root are rapidly hydrolyzed. Thus, the use of dehydrated products such as flour ensures stability of FOS. The effect of chronic consumption of yacon flour on body composition, food intake and of biochemical variables concentration has not yet been evaluated in humans. Thus, we evaluated the effects of yacon flour consumption on these variables associated with excess body weight. METHODS Twenty-six adults (31.3 ± 8.5 years) with excess weight (30.4 ± 2.4 kg/m2, 40.16 ± 6.7% body fat) participated in this randomized, double-blind, six-week study. Subjects were randomly allocated to one of the experimental groups (control (n = 13) or yacon flour (n = 13)), received the prescription of energy-restricted diets (- 500 kcal/day) and daily consumed a breakfast drink not containing or containing 25 g of yacon flour (0.1 g of FOS/kg body weight). At the beginning and at the end of the study, biochemical analyses (glycemia, insulinemia, lipid profile and liver function markers), anthropometrics (weight, waist, hip and neck circumference and sagittal abdominal diameter), body composition (lean mass, total body fat, trunk fat, android fat and gynoid fat), blood pressure, intestinal function, and food intake were assessed. RESULTS Daily yacon flour consumption was well tolerated, did not cause adverse gastrointestinal effects, increased dietary fiber consumption, promoted greater body weight, waist circumference, waist to height index, sagittal abdominal diameter, and body fat reduction, besides improving bowel function in comparison to the control group. CONCLUSIONS Yacon flour served as a natural fiber supplement and proved to be an effective adjuvant to be used in nutritional strategies to control excess body weight.
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Affiliation(s)
- Adriane M Machado
- Universidade Federal de Viçosa, Departamento de Nutrição e Saúde, Viçosa, MG, Brazil.
| | - Nayara B M da Silva
- Universidade Federal de Viçosa, Departamento de Tecnologia de Alimentos, Viçosa, MG, Brazil
| | - José Benício P Chaves
- Universidade Federal de Viçosa, Departamento de Tecnologia de Alimentos, Viçosa, MG, Brazil
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Rocha DMUP, Ribeiro PVDM, Caldas APS, da Silva BP, da Silva A, de Almeida AP, da Silva NBM, Machado AM, Alfenas RDCG. Acute consumption of yacon shake did not affect glycemic response in euglycemic, normal weight, healthy adults. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.02.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Cao Y, Ma ZF, Zhang H, Jin Y, Zhang Y, Hayford F. Phytochemical Properties and Nutrigenomic Implications of Yacon as a Potential Source of Prebiotic: Current Evidence and Future Directions. Foods 2018; 7:E59. [PMID: 29649123 PMCID: PMC5920424 DOI: 10.3390/foods7040059] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/06/2018] [Accepted: 04/09/2018] [Indexed: 01/02/2023] Open
Abstract
The human gut is densely populated with diverse microbial communities that are essential to health. Prebiotics and fiber have been shown to possess the ability to modulate the gut microbiota. One of the plants being considered as a potential source of prebiotic is yacon. Yacon is an underutilized plant consumed as a traditional root-based fruit in South America. Yacon mainly contains fructooligosaccharides (FOS) and inulin. Therefore, it has bifidogenic benefits for gut health, because FOS are not easily broken down by digestive enzymes. Bioactive chemical compounds and extracts isolated from yacon have been studied for their various nutrigenomic properties, including as a prebiotic for intestinal health and their antimicrobial and antioxidant effects. This article reviewed scientific studies regarding the bioactive chemical compounds and nutrigenomic properties of extracts and isolated compounds from yacon. These findings may help in further research to investigate yacon-based nutritional products. Yacon can be considered a potential prebiotic source and a novel functional food. However, more detailed epidemiological, animal, and human clinical studies, particularly mechanism-based and phytopharmacological studies, are lacking for the development of evidence-based functional food products.
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Affiliation(s)
- Yang Cao
- Department of Health Promotion, Pudong Maternal and Child Health Care Institution, Shanghai 201399, China.
| | - Zheng Feei Ma
- Department of Public Health, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China.
- School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu 15200, Kelantan, Malaysia.
| | - Hongxia Zhang
- Department of Food Science, University of Otago, Dunedin 9016, New Zealand.
| | - Yifan Jin
- Department of Public Health, Xi'an Jiaotong-Liverpool University, Suzhou 215123, China.
| | - Yihe Zhang
- Division of Medicine, School of Life and Medical Sciences, University College London, London WC1E6BT, UK.
| | - Frank Hayford
- Department of Nutrition and Dietetics, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana, Accra P.O. Box LG 25, Ghana.
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Microbial treatment in chronic constipation. SCIENCE CHINA-LIFE SCIENCES 2018; 61:744-752. [PMID: 29388040 DOI: 10.1007/s11427-017-9220-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 11/27/2017] [Indexed: 12/17/2022]
Abstract
Chronic functional constipation is a kind of common intestinal disease that occurs in children, adults and elderly people. This disease not only causes great influence to physiological function, but also results in varying degrees of psychological barriers. At present, constipation treatments continue to rely on traditional methods such as purgative therapy and surgery. However, these approaches can disrupt intestinal function. Recent research between intestinal diseases and gut microbiota has gradually revealed a connection between constipation and intestinal flora disturbance, providing a theoretical basis for microbial treatment in chronic constipation. Microbial treatment mainly includes probiotic preparations such as probiotics, prebiotics, synbiotics and fecal microbiota transplantation (FMT). Due to its safety, convenience and curative effect, probiotic preparations have been widely accepted, especially gradually developed FMT with higher curative effects. Microbial treatment improves clinical symptoms, promotes the recovery of intestinal flora, and has no complications during the treatment process. Compared with traditional treatments, microbial treatment in chronic constipation has advantages, and is worthy of further promotion from clinical research to clinical application.
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