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Wienberg F, Hövels M, Deppenmeier U. High-yield production and purification of prebiotic inulin-type fructooligosaccharides. AMB Express 2022; 12:144. [DOI: 10.1186/s13568-022-01485-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 11/16/2022] Open
Abstract
AbstractDue to the health-promoting effects and functional properties of inulin-type fructooligosaccharides (I-FOS), the global market for I-FOS is constantly growing. Hence, there is a continuing demand for new, efficient biotechnological approaches for I-FOS production. In this work, crude inulosucrase InuGB-V3 from Lactobacillus gasseri DSM 20604 was used to synthesize I-FOS from sucrose. Supplementation with 1 mM CaCl2, a pH of 3.5–5.5, and an incubation temperature of 40 °C were found to be optimal production parameters at which crude inulosucrase showed high conversion rates, low sucrose hydrolysis, and excellent stability over 4 days. The optimal process conditions were employed in cell-free bioconversion reactions. By elevating the substrate concentration from 570 to 800 g L−1, the I-FOS concentration and the synthesis of products with a low degree of polymerization (DP) could be increased, while sucrose hydrolysis was decreased. Bioconversion of 800 g L−1 sucrose for 20 h resulted in an I-FOS-rich syrup with an I-FOS concentration of 401 ± 7 g L−1 and an I-FOS purity of 53 ± 1% [w/w]. I-FOS with a DP of 3–11 were synthesized, with 1,1-kestotetraose (DP4) being the predominant transfructosylation product. The high-calorie sugars glucose, sucrose, and fructose were removed from the generated I-FOS-rich syrup using activated charcoal. Thus, 81 ± 5% of the initially applied I-FOS were recovered with a purity of 89 ± 1%.
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Abe K, Okada S, Ishijima T. The activities of the ILSI Japan endowed chair, at the University of Tokyo, regarding functional food genomics. Nutr Rev 2020; 78:35-39. [PMID: 33259622 DOI: 10.1093/nutrit/nuaa090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Keiko Abe
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shinji Okada
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tomoko Ishijima
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Ayuso M, Michiels J, Wuyts S, Yan H, Degroote J, Lebeer S, Le Bourgot C, Apper E, Majdeddin M, Van Noten N, Vanden Hole C, Van Cruchten S, Van Poucke M, Peelman L, Van Ginneken C. Short-chain fructo-oligosaccharides supplementation to suckling piglets: Assessment of pre- and post-weaning performance and gut health. PLoS One 2020; 15:e0233910. [PMID: 32502215 PMCID: PMC7274435 DOI: 10.1371/journal.pone.0233910] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 05/14/2020] [Indexed: 01/04/2023] Open
Abstract
Farmers face difficulties in redeeming their investment in larger litter sizes since this comes with larger litter heterogenicity, lower litter resilience and risk of higher mortality. Dietary oligosaccharides, given to the sow, proved beneficial for the offspring’s performance. However, giving oligosaccharides to the suckling piglet is poorly explored. Therefore, this field trial studied the effect of dietary short-chain fructo-oligosaccharides (scFOS; 1g/day; drenched) supplementation to low (LBW, lower quartile), normal (NBW, two intermediate quartiles) and high (HBW, upper quartile) birth weight piglets from birth until 7 or 21 days of age. Performance parameters, gut microbiome and short-chain fatty acids profile of feces and digesta were assessed at birth (d 0), d 7, weaning (d 21.5) and 2 weeks post-weaning (d 36.5). Additional parameters reflecting gut health (intestinal integrity and morphology, mucosal immune system) were analysed at d 36.5. Most parameters changed with age or differed with the piglet’s birth weight. Drenching with scFOS increased body weight by 1 kg in NBW suckling piglets and reduced the post-weaning mortality rate by a 100%. No clear difference in the IgG level, the microbiota composition and fermentative activity between the treatment groups was observed. Additionnally, intestinal integrity, determined by measuring intestinal permeability and regenerative capacity, was similar between the treatment groups. Also, intestinal architecture (villus lenght, crypt depth) was not affected by scFOS supplementation. The density of intra-epithelial lymphocytes and the expression profiles (real-time qPCR) for immune system-related genes (IL-10, IL-1ß, IL-6, TNFα and IFNγ) were used to assess mucosal immunity. Only IFNγ expression, was upregulated in piglets that received scFOS for 7 days. The improved body weight and the reduced post-weaning mortality seen in piglets supplemented with scFOS support the view that scFOS positively impact piglet’s health and resilience. However, the modes of action for these effects are not yet fully elucidated and its potential to improve other performance parameters needs further investigation.
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Affiliation(s)
- Miriam Ayuso
- Department of Veterinary Medicine, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
- * E-mail:
| | - Joris Michiels
- Department of Animal Sciences and Aquatic Ecology, Laboratory for Animal Production and Animal Product Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Sander Wuyts
- Department of Bioengineering, Faculty of Sciences, University of Antwerp, Wilrijk, Belgium
| | - Honglin Yan
- Department of Animal Sciences and Aquatic Ecology, Laboratory for Animal Production and Animal Product Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Jeroen Degroote
- Department of Animal Sciences and Aquatic Ecology, Laboratory for Animal Production and Animal Product Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Sarah Lebeer
- Department of Bioengineering, Faculty of Sciences, University of Antwerp, Wilrijk, Belgium
| | | | | | - Maryam Majdeddin
- Department of Animal Sciences and Aquatic Ecology, Laboratory for Animal Production and Animal Product Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Noémie Van Noten
- Department of Animal Sciences and Aquatic Ecology, Laboratory for Animal Production and Animal Product Quality, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Charlotte Vanden Hole
- Department of Veterinary Medicine, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Steven Van Cruchten
- Department of Veterinary Medicine, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Mario Van Poucke
- Department of Nutrition, Genetics and Ethology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Luc Peelman
- Department of Nutrition, Genetics and Ethology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Chris Van Ginneken
- Department of Veterinary Medicine, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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TAKAHASHI M, TSUSHIMA M, KURASHIGE K, YOSHIOKA S. Thermal Study of Fructooligosaccharides and Water-soluble Dietary Fiber. BUNSEKI KAGAKU 2016. [DOI: 10.2116/bunsekikagaku.65.667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Michiko TAKAHASHI
- Chemistry, Manufacturing & Control Research Labs., Meiji Seika Pharma Co., Ltd
| | - Masaki TSUSHIMA
- Chemistry, Manufacturing & Control Research Labs., Meiji Seika Pharma Co., Ltd
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Possible Link of a Compositional Change in Intestinal Microbiota with the Anti-Allergic Effect of Fructo-Oligosaccharides in NC/jic Mice. Biosci Biotechnol Biochem 2014; 74:1947-50. [DOI: 10.1271/bbb.100240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Comparison of Fructooligosaccharide Utilization byLactobacillusandBacteroidesSpecies. Biosci Biotechnol Biochem 2014; 76:176-9. [DOI: 10.1271/bbb.110496] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Fukasawa T, Murashima K, Nemoto T, Matsumoto I, Koga J, Kubota H, Kanegae M. Identification of marker genes for lipid-lowering effect of a short-chain fructooligosaccharide by DNA microarray analysis. J Diet Suppl 2013; 6:254-62. [PMID: 22435477 DOI: 10.1080/19390210903070822] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Administration of short-chain fructooligosaccharide (scFOS) is known to lower serum triglyceride levels in rats fed a high-fat diet, but the molecular mechanisms remain unclear. This study aimed to identify marker genes for lipid-lowering effect of scFOS administration. The changes in hepatic gene expressions in rats fed scFOS were investigated using DNA microarray and quantitative RT-PCR analysis. The DNA microarray showed that phytanoyl-CoA 2-hydroxylase 2 (Phyh2), lipoprotein lipase (Lpl) and tyrosine aminotransferase (Tat) were significantly affected by scFOS administration (p < .05). Since Lpl is involved in lipid metabolism, the up-regulation of Lpl in the liver can be a potential marker of the lipid-lowering effect of scFOS.
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Affiliation(s)
- Tomoyuki Fukasawa
- Food and Health R&D Laboratories, Meiji Seika Kaisha, Ltd., Chiyoda, Sakado-shi, Saitama, Japan.
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Yoo HD, Kim D, Paek SH. Plant cell wall polysaccharides as potential resources for the development of novel prebiotics. Biomol Ther (Seoul) 2013; 20:371-9. [PMID: 24009823 PMCID: PMC3762269 DOI: 10.4062/biomolther.2012.20.4.371] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 03/30/2012] [Accepted: 04/13/2012] [Indexed: 12/31/2022] Open
Abstract
Prebiotic oligosaccharides, with a degree of polymerization (DP) of mostly less than 10, exhibit diverse biological activities that contribute to human health. Currently available prebiotics are mostly derived from disaccharides and simple polysaccharides found in plants. Subtle differences in the structures of oligosaccharides can cause significant differences in their prebiotic proper-ties. Therefore, alternative substances supplying polysaccharides that have more diverse and complex structures are necessary for the development of novel oligosaccharides that have actions not present in existing prebiotics. In this review, we show that structural polysaccharides found in plant cell walls, such as xylans and pectins, are particularly potential resources supplying broadly diverse polysaccharides to produce new prebiotics.
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Affiliation(s)
- Hye-Dong Yoo
- Chodang Pharmaceutical, Ansan 425-100, Republic of Korea
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Saad N, Delattre C, Urdaci M, Schmitter J, Bressollier P. An overview of the last advances in probiotic and prebiotic field. Lebensm Wiss Technol 2013. [DOI: 10.1016/j.lwt.2012.05.014] [Citation(s) in RCA: 174] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Niewold TA, Schroyen M, Geens MM, Verhelst RS, Courtin CM. Dietary inclusion of arabinoxylan oligosaccharides (AXOS) down regulates mucosal responses to a bacterial challenge in a piglet model. J Funct Foods 2012. [DOI: 10.1016/j.jff.2012.04.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Keenan MJ, Martin RJ, Raggio AM, McCutcheon KL, Brown IL, Birkett A, Newman SS, Skaf J, Hegsted M, Tulley RT, Blair E, Zhou J. High-amylose resistant starch increases hormones and improves structure and function of the gastrointestinal tract: a microarray study. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2012; 5:26-44. [PMID: 22516953 PMCID: PMC4030412 DOI: 10.1159/000335319] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 11/18/2011] [Indexed: 12/25/2022]
Abstract
BACKGROUND/AIMS Type 2 resistant starch from high-amylose maize (HAM-RS2) is associated with increased fermentation, increased expression of proglucagon (gene for GLP-1) and peptide YY (PYY) genes in the large intestine, and improved health. To determine what other genes are up- or downregulated with feeding of HAM-RS2, a microarray was performed. METHODS Adult, male Sprague Dawley rats were fed one of the following three diets for a 4-week study period: cornstarch control (CC, 3.74 kcal/g), dietary energy density control (EC, 3.27 kcal/g), and 30% HAM-RS2 (RS, 3.27 kcal/g). Rat microarray with ∼27,000 genes and validation of 94 representative genes with multiple qPCR were used to determine gene expression in total RNA extracts of cecal cells from rats. The RS versus EC comparison tested effects of fermentation as energy density of the diet was controlled. RESULTS For the RS versus EC comparison, 86% of the genes were validated from the microarray and the expression indicates promotion of cell growth, proliferation, differentiation, and apoptosis. Gut hormones GLP-1 and PYY were increased. CONCLUSIONS Gene expression results predict improved structure and function of the GI tract. Production of gut hormones may promote healthy functions beyond the GI tract.
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Affiliation(s)
- Michael J Keenan
- Louisiana State University Agricultural Center, Baton Rouge, LA, USA.
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Production of functional oligosaccharides through limited acid hydrolysis of agave fructans. Food Chem 2011; 129:380-386. [DOI: 10.1016/j.foodchem.2011.04.088] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2010] [Revised: 03/08/2011] [Accepted: 04/25/2011] [Indexed: 11/22/2022]
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Lin NC, Lin JC, Chen SH, Ho CT, Yeh AI. Effect of Goji (Lycium barbarum) on expression of genes related to cell survival. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:10088-10096. [PMID: 21846086 DOI: 10.1021/jf2021754] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This study investigated the interrelationship between Lycium barbarum (goji) and gene expression in mouse spleen. Oligomicroarray technology was employed to explore the comprehensive response of gene expression and to screen candidate marker genes in the spleens of mice fed a goji suspension. Goji was micronized by media milling and then used to evaluate the effect of size reduction. The average diameter of nano/submicrometer goji was about 100 nm, which exhibited no cytotoxicity to cell lines IEC-6 (rat normal small intestinal cell line) and Caco-2 (human colon adenocarcinoma cell line). It was found that three genes, TNF, Nfkb1, and Bcl-2, were up-regulated and two genes, APAF-1 and caspase-3, were down-regulated by goji. This phenomenon could be helpful for cytoprotection when cells undergo stress or damage that induces the apoptotic pathway. Size reduction into nano/submicrometer scale enhanced bioactivity.
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Affiliation(s)
- Nien-Chen Lin
- Graduate Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
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Dietary fructo-oligosaccharides improve insulin sensitivity along with the suppression of adipocytokine secretion from mesenteric fat cells in rats. Br J Nutr 2011; 106:1190-7. [PMID: 21736797 DOI: 10.1017/s000711451100167x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Short-chain fructo-oligosaccharides (FOS) are known to have beneficial effects on health. However, the effects of FOS on insulin resistance have not been fully clarified. We observed the effects of FOS feeding on insulin sensitivity and adipocytokine release from abdominal adipocytes in weaning rats. Male Sprague-Dawley rats, 3 weeks old, were divided into three groups and fed a sucrose-based American Institute of Nutrition (AIN)-93 growth diet (control), the control diet containing 5 % FOS for 5 weeks (FOS-5wk) or the control diet for 2 weeks followed by the 5 % FOS diet for 3 weeks (FOS-3wk). Tail blood was collected after fasting for 9 h on day 33 of feeding, and glucose and insulin levels were measured. On the last day, rats were anaesthetised and killed after the collection of aortic blood. Small- and large-intestinal mesenteric fat tissues were immediately excised, and the release of adiponectin, leptin and TNF-α was evaluated from the subsequently isolated adipocytes. The weight of the large-intestinal mesenteric fat, fasting blood insulin level and homeostatic model assessment for insulin resistance decreased in a time-dependent manner, and were much lower in the FOS-5wk group than in the control group. These values were correlated with aortic blood leptin levels. The secretion rate of leptin from the isolated mesenteric adipocytes in the small intestine, but not in the large intestine, was lower in the FOS-fed groups than in the control group. In conclusion, FOS feeding improved insulin sensitivity accompanied by the reduction in large-intestinal fat mass and leptin secretion from the mesenteric adipocytes of the small intestine.
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Abstract
The different compartments of the gastrointestinal tract are inhabited by populations of micro-organisms. By far the most important predominant populations are in the colon where a true symbiosis with the host exists that is a key for well-being and health. For such a microbiota, 'normobiosis' characterises a composition of the gut 'ecosystem' in which micro-organisms with potential health benefits predominate in number over potentially harmful ones, in contrast to 'dysbiosis', in which one or a few potentially harmful micro-organisms are dominant, thus creating a disease-prone situation. The present document has been written by a group of both academic and industry experts (in the ILSI Europe Prebiotic Expert Group and Prebiotic Task Force, respectively). It does not aim to propose a new definition of a prebiotic nor to identify which food products are classified as prebiotic but rather to validate and expand the original idea of the prebiotic concept (that can be translated in 'prebiotic effects'), defined as: 'The selective stimulation of growth and/or activity(ies) of one or a limited number of microbial genus(era)/species in the gut microbiota that confer(s) health benefits to the host.' Thanks to the methodological and fundamental research of microbiologists, immense progress has very recently been made in our understanding of the gut microbiota. A large number of human intervention studies have been performed that have demonstrated that dietary consumption of certain food products can result in statistically significant changes in the composition of the gut microbiota in line with the prebiotic concept. Thus the prebiotic effect is now a well-established scientific fact. The more data are accumulating, the more it will be recognised that such changes in the microbiota's composition, especially increase in bifidobacteria, can be regarded as a marker of intestinal health. The review is divided in chapters that cover the major areas of nutrition research where a prebiotic effect has tentatively been investigated for potential health benefits. The prebiotic effect has been shown to associate with modulation of biomarkers and activity(ies) of the immune system. Confirming the studies in adults, it has been demonstrated that, in infant nutrition, the prebiotic effect includes a significant change of gut microbiota composition, especially an increase of faecal concentrations of bifidobacteria. This concomitantly improves stool quality (pH, SCFA, frequency and consistency), reduces the risk of gastroenteritis and infections, improves general well-being and reduces the incidence of allergic symptoms such as atopic eczema. Changes in the gut microbiota composition are classically considered as one of the many factors involved in the pathogenesis of either inflammatory bowel disease or irritable bowel syndrome. The use of particular food products with a prebiotic effect has thus been tested in clinical trials with the objective to improve the clinical activity and well-being of patients with such disorders. Promising beneficial effects have been demonstrated in some preliminary studies, including changes in gut microbiota composition (especially increase in bifidobacteria concentration). Often associated with toxic load and/or miscellaneous risk factors, colon cancer is another pathology for which a possible role of gut microbiota composition has been hypothesised. Numerous experimental studies have reported reduction in incidence of tumours and cancers after feeding specific food products with a prebiotic effect. Some of these studies (including one human trial) have also reported that, in such conditions, gut microbiota composition was modified (especially due to increased concentration of bifidobacteria). Dietary intake of particular food products with a prebiotic effect has been shown, especially in adolescents, but also tentatively in postmenopausal women, to increase Ca absorption as well as bone Ca accretion and bone mineral density. Recent data, both from experimental models and from human studies, support the beneficial effects of particular food products with prebiotic properties on energy homaeostasis, satiety regulation and body weight gain. Together, with data in obese animals and patients, these studies support the hypothesis that gut microbiota composition (especially the number of bifidobacteria) may contribute to modulate metabolic processes associated with syndrome X, especially obesity and diabetes type 2. It is plausible, even though not exclusive, that these effects are linked to the microbiota-induced changes and it is feasible to conclude that their mechanisms fit into the prebiotic effect. However, the role of such changes in these health benefits remains to be definitively proven. As a result of the research activity that followed the publication of the prebiotic concept 15 years ago, it has become clear that products that cause a selective modification in the gut microbiota's composition and/or activity(ies) and thus strengthens normobiosis could either induce beneficial physiological effects in the colon and also in extra-intestinal compartments or contribute towards reducing the risk of dysbiosis and associated intestinal and systemic pathologies.
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Ibuki M, Kovacs-Nolan J, Fukui K, Kanatani H, Mine Y. Analysis of gut immune-modulating activity of β-1,4-mannobiose using microarray and real-time reverse transcription polymerase chain reaction. Poult Sci 2010; 89:1894-904. [DOI: 10.3382/ps.2010-00791] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Fukasawa T, Kamei A, Watanabe Y, Koga J, Abe K. Short-chain fructooligosaccharide regulates hepatic peroxisome proliferator-activated receptor alpha and farnesoid X receptor target gene expression in rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2010; 58:7007-7012. [PMID: 20465258 DOI: 10.1021/jf1006616] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Prebiotic short-chain fructooligosaccharide (scFOS) is known to have various beneficial effects in humans and animals. Using a nutrigenomic approach, we have previously identified marker genes for the intestinal immunomodulatory and lipid-lowering effects of scFOS. The present study aimed to predict novel physiological effects of scFOS through nutrigenomic analyses. DNA microarray analysis revealed that administration of scFOS changed the expression of the nuclear receptors peroxisome proliferator-activated receptor alpha (PPARalpha) and farnesoid X receptor (FXR) target genes in the rat liver. Gene expression analysis provided some new interesting hypotheses, for instance, the possible improvement of bile secretion via FXR target genes, and regulation of amino acid metabolism and the urea cycle via PPARalpha and/or FXR target genes. Our findings clearly indicated that nutrigenomics may make it possible to screen for novel physiological effects of dietary ingredients.
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Affiliation(s)
- Tomoyuki Fukasawa
- Food and Health R&D Laboratories, Meiji Seika Kaisha, Ltd, 5-3-1 Chiyoda, Sakado-shi, Saitama 350-0289, Japan.
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Arai S, Yasuoka A, Abe K. Functional food science and food for specified health use policy in Japan: state of the art. Curr Opin Lipidol 2008; 19:69-73. [PMID: 18196990 DOI: 10.1097/mol.0b013e3282f3f505] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The science and policy of functional foods are a matter of global concern and this review provides up-to-date information about the Japanese 'food for specified health use' policy based on functional food science. RECENT FINDINGS A great many studies on nonnutritive but physiologically functional food components have provided more precise evidence regarding the structure-function relationships that underlie the approval of food for specified health use products. SUMMARY Functional foods, defined as those that have the potential to reduce the risk of lifestyle-related diseases and associated abnormal modalities, have garnered global interest since the 1980s when the systematic research had humble beginnings as a national project in Japan. In 1991, the project led to the launch of the national food for specified health use policy; 703 food for specified health use products with 11 categories of health claims have been approved up to the present (31 August 2007). The development of this policy has been supported basically by nutritional epidemiology, food chemistry and biochemistry, physiology and clinical medicine, and even the genomics on food and nutrition. This review also highlights the current academia-industry collaboration in Japan.
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Affiliation(s)
- Soichi Arai
- Department of Nutritional Science, Tokyo University of Agriculture, Tokyo, Japan.
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Ozaki K, Fujii S, Hayashi M. Effect of Dietary Mannooligosaccharides on the Immune System of Ovalbumin-Sensitized Mice. ACTA ACUST UNITED AC 2007. [DOI: 10.1248/jhs.53.766] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kazuto Ozaki
- Research and Development, Ajinomoto General Foods, Inc
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