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Dietary Reference Intakes Proposed Definition of Dietary Fiber (2001) / Chapter Skim
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IV. Proposed Definition of Dietary Fiber
Pages 22-25

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From page 22...
... These definitions recognize a continuum of carbohydrates and allow for flexibility to incorporate new fiber sources developed in the future following demonstration of beneficial physiological effects in humans. Distinguishing Features Dietary Fiber consists of nondigestible food plant carbohydrates and lignin in which the plant matrix is largely intact.
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From page 23...
... These are attenuation of postprandial blood glucose concentrations, attenuation of blood cholesterol concentrations, and Proved taxation. Rapidly changing lumenal fluid balance resulting from large amounts of nondigeshble mono- and disaccharides or low molecular weight oligosaccharides, such as what occurs when sugar alcohols are consumed, is not considered a mechanism of taxation for Added Fibers.
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From page 24...
... These recommendations should be helpful in evaluating diet and disease relationship studies as one will be able to classify fiber-like components as Added Fibers due to Heir documented health benefits. Although databases are not currently constructed to delineate potential beneficial effects of specific fibers, there is no reason that this could not be accomplished in the future.
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From page 25...
... Phasing Out the Terms Soluble and insoluble Dietary Fiber Physiological effects of some ingested Dietary Fibers and some Added Fibers include attenuation of postprandial blood glucose concentration and blood cholesterol concentration and improved taxation. Available data suggest that the addition of fiber sources that are viscous are capable of altering blood glucose and cholesterol concentrations (Anderson et al., 1999; Jenkins et al., 1978, 2000~.
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Key Terms

  • physiological effects
  • nondigestible carbohydrates
  • beneficial physiological
  • added fibers
  • added fiber

  • fiber consists
  • low molecular
  • molecular weight
  • food supply
  • fiber sources

  • blood glucose
  • resistant starch
  • terms soluble
  • specific physiological
  • plant matrix

  • cholesterol concentrations
  • dietary fibers
  • physicochemical properties
  • postprandial blood
  • blood cholesterol

  • physiological effect
  • immune tissue
  • insoluble fiber
  • properties attributed
  • carbohydrates recognizes

  • nondigestible food
  • frequently isolated
  • plant cell
  • plant origin
  • balance resulting


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