AACC International, using a scientific review committee constituted to provide a balance between academia, industry, and government and utilizing teleconferences, interactive workshops for scientific input, and an interactive website for global input, adopted the following definition:

"Dietary fiber is the edible parts of plants or analogous carbohydrates that are resistant to digestion and absorption in the human small intestine with complete or partial fermentation in the large intestine. Dietary fiber includes polysaccharides, oligosaccharides, lignin, and associated plants substances. Dietary fibers promote beneficial physiological effects including laxation, and/or blood cholesterol attenuation, and/or blood glucose attenuation."

More information on AACC International’s definition of dietary fiber:

Dietary Fiber Definition Task Force Submits Comments on Nutrition Labeling January 2008

AACC Intl. March 2007 Comments on the proposed FAO/WHO definition of dietary fiber

"All Dietary Fiber Is Fundamentally Functional", Cereal Foods World, May/June 2003

"NAS Definitions Relating to Food Fiber Only Add Confusion” CFW, May/June 2003

"AACC challenges FNB Food Fiber Definitions,” May 20, 2003

"The Definition of Dietary Fiber - Report of the Dietary Fiber Definition Committee,” CFW, March 2001

"AACC International Approves New Dietary Fiber Definition,” June 1, 2000

"A Historical Perspective on Defining Dietary Fiber,” CFW, May 1999

Dietary Fiber flyer

Dietary Fiber Definition Discussion
 

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