Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 55 for “"Short chain fatty acid"”.
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Short-chain fatty acid production by microbial organisms in model systems assessed by GCMS
<p>Short-chain fatty acids (SCFA) such as butyrate and lactate are the products of colonic bacterial degradation of starch and other carbon sources and are important in human health and disease. Prior work with test tube cultures has provided support for the idea that SCFA production in the …
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EFFECT OF LIPID SUPPLEMENTATION ON RUMINAL EPITHELIAL MEMBRANE FATTY ACID COMPOSITION AND SHORT-CHAIN FATTY ACID ABSORPTION
… depending on the type of lipid, may alter the fatty acid (FA) composition of tissues. Effects of dietary lipid on the digestive and immune function gastrointestinal tract have been evaluated, but effects on how dietary FA affect short-chain fatty acid (SCFA) absorption have not been …
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Dysregulation of Immune Function, Gut Microbiota Composition and Short-Chain Fatty Acid Production Following Prenatal Alcohol Exposure: A Developmental Perspective
… as well as gut microbiota composition and short-chain fatty acid output was assessed at three postnatal (P) timepoints: P8 (infancy), P22 (weaning), and P38 (adolescence). Male PAE rats had increased cytokine levels in the amygdala and hypothalamus (but not prefrontal cortex) at P8. …
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Evaluation of the precision-fed rooster assay for detecting effects of exogenous carbohydrases and adaptation diet on true metabolizable energy and cecal microbial ecology, short-chain fatty acid profile, and enzyme activity
… TMEn assay for analysis of microbial ecology, short-chain fatty acid (SCFA) profiles, and β-glucanase and xylanase activity. β-Glucanase significantly increased (P < 0.05) the TMEn of barley and xylanase numerically increased the TMEn of rye, but there was no significant effect of adaptation …
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Acid fermentation of primary sludge at 20v C
… excess phosphorous removal can be increased by acid fermenting the settled sludge in the primary settling tank, and adding either the fermented sludge, or the acids elutriated from the sludge, to the influent of the biological phosphorous removal plant. Considerable uncertainty still exists, …
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Harnessing N-glycans as Next Generation Prebiotics
… N-glycoproteins influenced microbial ecology, short-chain fatty acid production, and N-glycan degradation strategies across the three fecal communities. Composition and short-chain fatty acid production significantly differed in ii response to the glycoprotein sources in a microbiota-dependent …
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The separation and characterisation of sorbitan esters using gas and liquid chromatographic techniques
… A range of single polyol esters of varying fatty acid chain lengths were prepared and analysed to establish the ester species that would elute from the column. Using optimised conditions for the injector, detector and final oven temperature of 380 degC and a DB1-ht column, it was found that …
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Effects of dietary fermentable material on innate and adaptive immune measures in male and female rats under resting and immunized conditions
… sexes. The gut microbiota composition and short chain fatty acid profiles differed between rats fed different DFM and also differed between sexes following FOS consumption. Immune parameters were analyzed for the effect of diet, differences between sexes or interactions (diet x sex), to …
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The relevance of bacterial isoprenoid biosynthetic pathways for host-microbe interactions
… indicating alterations in inflammation, bile acid profiles and antimicrobial peptide synthesis with implications on community structure of the gastrointestinal microbiota in statin-treated animals. However we found no effect on local Short Chain Fatty Acid biosynthesis (metabolic health marker …
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The Effect of Various Feed Additives on Growth Performance, Nutrient Utilization, and Cecal Microbial Populations in Poultry
… the effects of several oligosaccharides, organic acids, an enzyme, and whole grains on growth performance, nutrient utilization, and select cecal microbial populations in poultry. Unless otherwise noted, all diets were corn soybean meal. In the first study, inulin, oligofructose, short-chain …
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Implications of Dietary Fiber and Fermentable Carbohydrates on Gut Health and Intestinal Microbial Ecology of the Dog
… comparable to the FOS/MOS blends. Based on fecal short-chain fatty acid profiles, blends containing fermentable oligosaccharides appear to elicit similar fermentation responses compared to beet pulp. It was concluded that the blends used in this research can potentially replace beet pulp in dry …
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Discovery of a Novel Microalgal Strain Scenedesmus Sp. A6 and Exploration of Its Potential as a Microbial Cell Factory
… VA. A fast reduction in volatile solids and the short-chain fatty acid production profile is favorable for the growth of microalgae. A novel algae strain Scenedesmus sp. A6 was isolated from a decorative waterfountain in a hotel in Madison, IN. Mixotrophic growth trials were conducted using …
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Diet- and Probiotic-mediated Modulation of the Maternal Gut Microbiome Impacts Early-life Programming of Neurodevelopment and Behavioral Outcomes in Offspring
… with a specific decrease in the abundance of short-chain fatty acid (SCFA)-producing taxa. Despite recovery of richness in the F2 generation, F2 social behavior remained impaired, implicating dysbiosis of the maternal gut microbiome in offspring social deficits. Post-weaning supplementation …
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Quroum sensing disruption and the use of short-chain fatty acids and polyhydroxyalkanoates to control luminescent vibriosis
… part of this work describes the application of short-chain fatty acids and polyhydroxyalkanoates. First, it was shown that formic, acetatic, propionic, butyric and valeric acid inhibit growth of luminescent vibrios in vitro in a pH-dependent way. Furthermore, the addition of 20 mM of the …
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Genetic Determinants of Salmonella and Campylobacter Required for In Vitro Fitness
… host stressors in vitro conditions. Such as low acidic pH (pH 3) found in the stomach, osmotic (3% NaCl) and short chain fatty acid (SCFAs, 100 mM Propionate) found in intestine, and oxidation (1mM H2O2) and starvation (12-day survival in PBS) found in macrophage. There was an overlapping set of …
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The Influence of Galactooligosaccharides on Nutrient Digestion, Ileal and Fecal Fermentation Characteristics, and Intestinal and Colonic Microflora in Growing Swine
… of soybean OS on apparent and trae ileal amino acid digestibilities. The third experiment evaluated Gal OS supplementation of pig diets to determine effects on nutrient digestibility, microbial populations, and ileal short-chain fatty acid (SCFA) concentrations. Additionally, the third …
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The Influence of Selected Novel Glucose -Based Polymers on Nutrient Digestion, Glycemic and Insulinemic Responses, Colonic Fermentation Characteristics, and Ileal and Colonic Microflora Concentrations in the Adult Canine and (Or) Human
… the fermentation characteristics (gas and short-chain fatty acid production, pH change) of select glucose-based polymers by fecal microflora from healthy adult dogs and humans. Novel incompletely digestible, glucose-based nonstructural carbohydrates varied in their ability to affect …
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PROMOTION OF PLANT-BASED SUSTAINABLE DIETARY PATTERNS FOR THE ITALIAN POPULATION: FROM FEASIBILITY TO THE IMPACT ON NUTRITIONAL STATUS AND HEALTH-RELATED MARKERS
… impact of dietary fibers on gut microbiota and short-chain fatty acid production in healthy adults has been performed. Secondly, a pilot intervention study assessed the metabolic and functional effects of an Italian-Mediterranean plant-based diet, the EAT-IT dietary pattern, on various …
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“Priming” as a novel strategy to enhance chemotherapeutic efficacy
… was to examine and quantify the effects of the short-chain fatty acid acetate, a by-product of the microbial fermentation of dietary fibre, on the metabolism of cancer cells, and to test whether acetate can sensitize cells to apoptosis induced by anti-cancer drugs, by a process known as priming. …
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Fermentable Carbohydrate Substrates Generated from Cereal and Pseudocereal Insoluble Dietary Fibers and Their In Vitro Fecal Fermentation
… fermentability was evident in increased total short chain fatty acid production and slow rates of gas production for TFS from pearl millet. Furthermore, fermentation of TFS resulted in significant changes in human fecal microbiota composition following in vitro fermentation. Next-generation …
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