The current situation regarding labeling and defining dietary fiber in the United States and many other countries is arbitrary due to its reliance on analytical methods as opposed to an accurate definition that includes its role in health. Without an accurate definition, compounds can be designed or isolated and concentrated using the currently available methods, without necessarily providing beneficial health effects. Other compounds can be developed that are nondigestible and provide beneficial health effects, yet do not meet the current U.S. definition based on analytical methods. For the above reasons, the Food and Nutrition Board, under the oversight of the Standing Committee on the Scientific Evaluation of Dietary Reference Intakes, assembled a Panel on the Definition of Dietary Fiber to develop a proposed definition(s) of dietary fiber. This Panel held three meetings and a workshop.
Table of Contents
|I. Overview and Charge to the Panel||1-2|
|II. Definitions of Dietary Fiber||3-11|
|III. Issues in Defining Dietary Fiber||12-21|
|IV. Proposed Definition of Dietary Fiber||22-25|
|V. Impact of the Definitions of Dietary Fiber and Unresolved Issues||26-33|
|Appendix A: Acknowledgments||43-44|
|Appendix B: Glossary||45-48|
|Appendix C: Development and Evolution of Methods Used to Purify and Measure Dietary Fiber||49-62|
|Appendix D: Determination of Energy Values for Fibers||63-64|
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