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The human gut microbiota is the complex community of bacteria that reside within the human gastrointestinal tract. This community plays an important role in supporting normal immune function and digestion. Disruption of the microbial communities within the gastrointestinal tract, sometimes termed "dysbiosis" is linked to a wide range of human diseases, including obesity, metabolic syndrome, malnutrition, and cancer. Stability of the microbiome is thought to be important for human health, however the factors that drive microbiome community stability are poorly understood.
Within the gastrointestinal tract, the microbiota is constantly exposed to complex mixtures of foods and the products of digestion. Importantly, changes in diet have been shown to rapidly induce shifts in microbial community composition. These compositional shifts can also affect microbial production of bioactive metabolites, which may be one mechanism to explain how the microbiome impacts host physiology and disease.
Fiber is often considered to be one of the largest contributors to microbial compositional shifts that follow dietary interventions. Fiber resists digestion and persists through the gastrointestinal tract to reach the large intestine where it can be metabolized by bacteria. The end products of this metabolism are the short chain fatty acids (SCFAs), acetate and butyrate, which are often associated with beneficial health outcomes. Fibrous foods are also a source of polyphenols and other phenolic compounds that may be used by microbes in the production of secondary metabolites or freed from the food matrix by microbial enzymes.
The purpose of this study is to: 1) to investigate the impact of high fiber, whole grain and bran cereal on microbiome stability, and 2) to explore the microbial contribution to polyphenol metabolism from whole grain in healthy individuals.
University of Minnesota
University of Minnesota, MN
Published on BioPortfolio: 2018-08-13T17:57:10-0400
The objective of this study is to examine the effects of 2 servings of hot cereal per day over 2 weeks on digestive health in children that typically eat low fiber diets.
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White fiber dissection using a gyrus based approach was performed to study the various association, commissural and projection fiber bundles of the brain METHODS: Ten previously frozen and formalin-fi...
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A plant genus of the family POLYGONACEAE that is used as a cereal grain. Although the seeds are used as cereal, the plant is not one of the cereal grasses (POACEAE).
A TEXTILE fiber obtained from the pappus (outside the SEEDS) of cotton plant (GOSSYPIUM). Inhalation of cotton fiber dust over a prolonged period can result in BYSSINOSIS.
Healthy People Programs are a set of health objectives to be used by governments, communities, professional organizations, and others to help develop programs to improve health. It builds on initiatives pursued over the past two decades beginning with the 1979 Surgeon General's Report, Healthy People, Healthy People 2000: National Health Promotion and Disease Prevention Objectives, and Healthy People 2010. These established national health objectives and served as the basis for the development of state and community plans. These are administered by the Office of Disease Prevention and Health Promotion (ODPHP). Similar programs are conducted by other national governments.
Techniques using laser energy in combination with a balloon catheter to perform angioplasty. These procedures can take several forms including: 1, laser fiber delivering the energy while the inflated balloon centers the fiber and occludes the blood flow; 2, balloon angioplasty immediately following laser angioplasty; or 3, laser energy transmitted through angioplasty balloons that contain an internal fiber.
Governmental guidelines and objectives pertaining to public food supply and nutrition including recommendations for healthy diet and changes in food habits to ensure healthy diet.
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