16 Facts About Dietary fiber

Dietary fiber has two main components: soluble fiber and insoluble fiber, which are components of plant-based foods, such as legumes, whole grains and cereals, vegetables, fruits, and nuts or seeds.

Food sources of dietary fiber have traditionally been divided according to whether they provide soluble or insoluble fiber.

Psyllium – a soluble, viscous, nonfermented Dietary fiber – is a bulking Dietary fiber that retains water as it moves through the digestive system, easing defecation.

Soluble Dietary fiber is generally viscous and delays gastric emptying which, in humans, can result in an extended feeling of fullness.

Dietary fiber is defined to be plant components that are not broken down by human digestive enzymes.

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The most accepted definition of dietary fiber is "all polysaccharides and lignin, which are not digested by the endogenous secretion of the human digestive tract".

Some types of soluble Dietary fiber absorb water to become a gelatinous, viscous substance.

The amount of Dietary fiber contained in common foods are in the following table:.

Dietary fiber is found in plants, typically eaten whole, raw or cooked, although fiber can be added to make dietary supplements and fiber-rich processed foods.

Insoluble Dietary fiber is associated with reduced risk of diabetes, but the mechanism by which this is achieved is unknown.

Not yet formally proposed as an essential macronutrient, dietary fiber has importance in the diet, with regulatory authorities in many developed countries recommending increases in fiber intake.

Fiber does not bind to minerals and vitamins and therefore does not restrict their absorption, but rather evidence exists that fermentable Dietary fiber sources improve absorption of minerals, especially calcium.

The FDA classifies which ingredients qualify as being "Dietary fiber", and requires for product labeling that a physiological benefit is gained by adding the Dietary fiber ingredient.

Statement: 'Dietary fiber fibre' has been used as a collective term for a complex mixture of substances with different chemical and physical properties which exert different types of physiological effects.

Diets naturally high in Dietary fiber can be considered to bring about several main physiological consequences:.

The beneficial effects of high Dietary fiber diets are the summation of the effects of the different types of Dietary fiber present in the diet and other components of such diets.