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Topic: Dietary fiber

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In the News (Tue 21 May 19)

  Dietary fiber - Wikipedia, the free encyclopedia
Dietary fibers are the indigestible portion of plant foods that move food through the digestive system and absorb water.
Although many researchers believe that dietary fiber intake reduces the risk of colon cancer, one study, conducted by researchers at the Harvard School of Medicine of over 88,000 women, did not show a statistically significant relationship between higher fiber consumption and lower rates of colorectal cancer or adenomas.
Prebiotic soluble fiber supplements (acacia, FOS, inulin) are a promising area of treatment for inflammatory bowel disease (Seidner, 2005) such as Crohn's disease and ulcerative colitis, and Clostridium difficile (May, 1994), due to the short-chain fatty acids they produce, and subsequent anti-inflammatory actions upon the bowel.
en.wikipedia.org /wiki/Dietary_fiber   (1451 words)

 WHFoods: fiber, dietary
According to this definition, dietary fiber consists of nondigestible carbohydrates and lignin that are intrinsic and intact in plants.
The fermentation of dietary fiber in the large intestine produces a short-chain fatty acid called butyric acid, which serves as the primary fuel for the cells of the large intestine and helps maintain the health and integrity of the colon.
Dietary fiber decreases the absorption of hydralazine, digoxin, and lithium.
whfoods.org /genpage.php?tname=nutrient&dbid=59   (2018 words)

 Dietary Fiber
Dietary fiber is best understood as plant material that is responsible for the structural integrity of most plants and their constituent parts.
In other words, fiber in the diet is not digested, even though it has carbohydrate content and much of the, dietary fiber passes into the lower bowel where it exerts many different beneficial,' actions in the colon.
Dietary fiber in general, has found a special adjunctive role in the management of weight control and it is particularly valuable in the nutritional management of Syndrome X. There is no doubt that soluble fiber has a special role in management of diabetes mellitus, of both the type I and type II varieties.
www.naturesbenefit.com /html/education/literature/fiber.html   (938 words)

 ific.org : Dietary Fiber is Still in Style
One of the most important components of a healthful diet is fiber, and while it may not be the most exciting part of the diet, the consumption of foods high in dietary fiber is essential to maintain good health and prevent many diseases.
Soluble dietary fiber is found in all fruits and a few cereals (oats and barley), and as gums added to cereals and other foods.
It is the softer, stickier and thicker fiber.
www.ific.org /foodinsight/1999/ma/fiberfi299.cfm   (1250 words)

 Nutrition Fact Sheet: Dietary Fiber, Nutrition, Feinberg School of Medicine
Dietary fiber is the class of compounds consisting of nondigestible polysaccharides found in plant cell walls.
Insoluble and soluble fibers are differentiated primarily by viscosity.
Although dietary sources of fiber typically consist of both types of fiber, soluble or viscous fiber is more concentrated in oats, barley, soybeans, dried beans and peas, and citrus fruit while insoluble or nonviscous fiber is concentrated in whole wheat and most vegetables.
www.feinberg.northwestern.edu /nutrition/factsheets/fiber.html   (759 words)

 Dietary Fiber   (Site not responding. Last check: 2007-10-21)
Dietary fiber is material from plant cells than cannot be broken down by enzymes in the human digestive tract.
The intention of these dietary modifications is to control intake of certain nutrients, that is, to make sure that they are present in sufficient amounts in the diet and that they are also not in excess, as well as to lower dietary fat and cholesterol intake.
The average dietary fiber intake in the united States is estimated to be approximately 12 grams.
www.well-net.com /cardiov/fiber.html   (1325 words)

 Dietary Fiber - The Source Of Nutrition   (Site not responding. Last check: 2007-10-21)
Dietary Fiber is a term used to describe a variety of plant substances that are resistant to digestion by alimentary enzymes in humans.
Soluble Dietary Fiber supplements are a promising area of treatment for inflammatory bowel disease such as ulcerative colitis and Clostridium difficile due to the reason that that they produce short-chain fatty acids, and subsequent anti-inflammatory actions upon the bowel.
Dietary Fiber aids digestion, helps in preventing constipation, and is used for the treatment of diverticulosis, diabetes, and heart disease.
www.nutrovita.com /info/Dietary_Fiber.htm   (1153 words)

 Properties of Dietary fiber
Dietary fiber moves through the intestine, where it develops its capacity to hydrate and absorb (fix), which is variable in organic and inorganic substances.
There currently exists a general consensus in stating that the effects of fermentation of dietary fiber and resistant starch in the colon are indispensable for the proper functioning of the digestive apparatus, and the absence of the necessary fermentative substrate can produce alterations with important consequences.
We have seen that fermentation of fiber in the colon produces a series of substances, among which butyrate is of significant importance, that play a fundamental role in the physiology of the digestive apparatus besides being useful in the prophylaxis and the treatment of different digestive illnesses.
www.fiberandhealth.com /book/5.htm   (3966 words)

Fiber is an indigestible complex carbohydrate that is found in the structural components of plants.
As soluble fiber passes through the gastrointestinal tract, it binds to bile acids, which are made of cholesterol, and carries them through the intestines, thereby limiting the amount of cholesterol the body absorbs.
Soluble fiber is the only food component known to help lower blood cholesterol; however, the degree of possible reduction in your LDL cholesterol level depends on a number factors in addition to your daily intake of soluble fiber: your initial cholesterol level, your weight, whether you smoke, and how much exercise you get.
www.dietsite.com /dt/Diets/EatingWell/Fiber/DietaryFiber.asp   (1145 words)

 Dietary Fiber Basics   (Site not responding. Last check: 2007-10-21)
Dietary fiber is the part of whole grains, fruits, vegetables, beans, nuts, and seeds that we cannot digest.
Dietary fiber is not a single substance, but a group of substances with similar properties.
The amount of dietary fiber in a serving of food is listed in grams and as a percent of the Daily Value on the nutrition label.
www.healthgoods.com /Education/Nutrition_Information/General_Nutrition/dietary_fiber_basics.htm   (1315 words)

 Fiber: Nutrition Source, Harvard School of Public Health
Fiber is present in all plants that are eaten for food, including fruits, vegetables, grains, and legumes.
Fiber is an important part of a healthy diet, and you should get a least the minimum recommended amount of 20-35 grams of dietary fiber per day for adults.
Dietary fiber and risk of coronary heart disease: a pooled analysis of cohort studies.
www.hsph.harvard.edu /nutritionsource/fiber.html   (1514 words)

 Dietary Fiber
Dietary Fiber consists of nondigestible carbohydrates and lignin that are intrinsic and intact in plants.
Dietary Fiber includes food plant carbohydrates, consisting primarily of material derived from the plant cell wall or its intercellular structure, that is essentially nondigestible in the human small intestine, and is further distinguished by the presence of other macronutrients, such as digestible carbohydrates and protein.
Simply put, dietary fiber contributes to the reduction of high blood sugar, contributes to the reduction of high cholesterol, and promotes bowel evacuation by acting as a mild laxative which can result in any number of preventive health benefits.
www.preventivehealthtoday.com /prevention/d_fiber.html   (689 words)

 Natural and Dietary Fiber Supplements
Fiber cannot be digested by the human body; however, fiber does play a very important role in human health.
Soluble fiber bonds with water in the digestive system, whereby lowering the rate of absorption of starches and sugars in the stomach and intestinal tract.
While dietary fiber plays an important role in maintaining a healthy body, most Americans consume in their diets only half the amount of daily fiber recommended by health experts.
www.nutrasanus.com /fiber.html   (686 words)

 Dietary Fiber
Fiber may be beneficial in treating or preventing constipation, hemorrhoids and diverticulosis.
Dietary fiber comes from the portion of plants that is not digested by enzymes in the intestinal tract.
Fiber supplements are sold in a variety of forms from bran tablets to purified cellulose.
www.ext.colostate.edu /pubs/foodnut/09333.html   (1306 words)

 Misconcepotion About Dietary Fiber
Dietary fibers are vegetable substances not digestible by the enzymes of the alimentary tract.
Or, since dietary fibers swell (each part of polysaccharide may hold 100 parts water), they may simply be filling, limiting the amount of food that can be eaten.
The antidiabetic ability of fiber may be decreased by concomitant use of acetazolamide, oral contraceptives, corticosteroids, dextrothyroxin, epinephrine, ethanol, glucagon, and marijuana.
www.springboard4health.com /notebook/nutrients_fiber.html   (2292 words)

 Dietary Fiber - Bowel Function
The usual cause of chronic constipation is a lack of adequate dietary fiber.
An example of dietary fiber is cellulose, and a food which is high in fiber is wheat bran.
Fiber is not a temporary remedy, to be stopped whenever you've temporarily overcome the problem.
www.wehealnewyork.org /healthinfo/dietaryfiber/index.html   (1967 words)

 Dietary fiber: An essential part of a healthy diet - MayoClinic.com
Dietary fiber — found mainly in fruits, vegetables, whole grains and legumes — is probably best known for its ability to prevent or relieve constipation.
Dietary fiber — also known as roughage or bulk — includes all parts of plant foods that your body can't digest or absorb.
Fiber is often classified into two categories: those that don't dissolve in water (insoluble fiber) and those that do (soluble fiber).
www.mayoclinic.com /health/fiber/NU00033   (1203 words)

 Dietary Fiber
Dietary fiber includes a variety of plant-derived compounds, i.e., non-starch polysaccharides and lignin, that are not digested by endogenous intestinal enzymes.
Fiber is composed of a variety of materials that are often categorized as insoluble or soluble in boiling water.
Fiber is neither digested nor absorbed in the small intestine but is fermented by bacteria in the colon.
www.colloidal-min.com /faq97.htm   (525 words)

 ACSH > Publications >
The use of fiber supplements for the purpose of preventing cancer or heart disease is not recommended.
Current dietary recommendations for people with diabetes do not call for higher fiber intakes than are recommended for the general public.
The Daily Value for fiber that is listed on food labels is too high for children; parents should not attempt to include that much fiber in their children's diets.
www.acsh.org /publications/pubID.444/pub_detail.asp   (415 words)

 Dietary Fiber - MediterrAsian.com
Dietary fiber is a type of carbohydrate found only in plant foods.
Soluble fiber, on the other hand, has a soft and gummy texture and is found in high amounts in legumes (beans, peas and lentils), fruits, vegetables, oats and barley.
Soluble fiber works differently from insoluble fiber because it's broken down by the action of bacteria in the digestive tract and some of the healthy by-products of this process are absorbed into the blood stream.
www.mediterrasian.com /fiber.htm   (664 words)

 Dietary Fiber
These fibers are found in all types of peas and beans like lentils, split peas, pinto beans, fl beans, kidney beans, garbanzo beans, and lima beans, as well as oats, barley, and some fruits and vegetables like apples, oranges, and carrots.
Fiber decreases blood cholesterol by binding to bile acids, which are made of cholesterol, in the gastrointestinal tract and carrying them out of the body as waste.
Too much fiber can increase the speed at which food moves through the digestive tract, allowing too little time for some vitamins and minerals to be absorbed, and excess fiber intake can cause gas, bloating, and diarrhea, which can cause a loss of nutrients.
ag.arizona.edu /pubs/health/az1127.html   (1797 words)

 Dietary Fiber
In this fact sheet, a significant source of dietary fiber is defined as a food that contains a substantial amount of dietary fiber in relation to its calorie content and contributes at least 2 grams of dietary fiber in a selected serving size.
Dietary fiber is a complex mixture of plant materials that are resistant to breakdown (digestion) by the human digestive system.
According to recent USDA surveys, the average intake of dietary fiber by women 19 to 50 years of age is about 12 grams.
www.hoptechno.com /book29q.htm   (772 words)

 Dietary Fiber
Fiber differs from starch in the fact that it cannot be broken down in the digestive tract.
Most foods contain both types of fiber; however, there is usually an abundance of one type, and smaller amount of the other.
Soluble fiber is found in fruit seeds, brown rice, oats, and fruits and vegetables such as apples, pears, prunes, citrus fruits, strawberries, bananas, most beans, broccoli, carrots, and potatoes.
www.illpumpyouup.com /articles/dietary-fiber.htm   (372 words)

 Dietary Fiber
Dietary fiber (found mostly in plant foods) is the part of food that is not digested by the human body, such as the skin of an apple and the husk of a wheat kernel.
Soluble fiber, though contributing to regularity, is more often thought of in the context of reducing the risks of heart disease and diabetes.
Dietary fiber also excretes bile and bile is what the liver uses to produce cholestrol.
www.lowcarb.org /fiber_1.html   (673 words)

 Fiber - Digestion and digestive-related information on MedicineNet.com
They noted that in cultures with diets rich in fiber there was a relative rarity of diverticulosis or diverticulitis, gall-bladder disease, coronary heart disease, appendicitis, colorectal tumors or polyps, varicose veins, or deep vein thrombosis.
Whether it is the increased fiber in the diet or a reduction in the intake of fat that are responsible for the reduction in the above mentioned diseases is still not quite clear.
An expert panel of scientists has defined dietary fiber as "the parts of plant materials in the diet which are resistant to digestion by human enzymes." The most frequent source of fiber are the nonstarch polysaccharides which are found in many fruits and vegetables.
www.medicinenet.com /fiber/article.htm   (677 words)

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