Definition, Method, and Caloric Value Assigned toDietary Fiber: A Global Perspective Leon Prosky Prosky Associates, Nutrition Consultants | On August 3, 1987 (Federal Register, Vol. 52, No.148, p.28690-1), the Final Rule issued by the U.S. Food and DrugAdministration on The Nutrition Labeling of Food; Calorie Contentmade mention for the first time of dietary fiber. It allowed themanufacturer, when calculating the appropriate declaration ofcalorie content of food, to subtract the carbohydrates attributableto nondigestible fiber (total dietary fiber determined by AOACmethod 985.29) from the total carbohydrate content of the food.This was later amended to exclude only the insoluble dietary fiberfrom the carbohydrate content before calculating calories. Whenmandatory nutrition labeling of dietary fiber became effective in1993, the U.S. Food and Drug Administration (FDA) and the U.S.Department of Agriculture specifically incorporated the AOACmethods into the language of the food regulations (1). For morethan 15 years, the U.S. Food and Drug Administration and the U.S.Department of Agriculture recognized and mandated through thenutrition labeling laws that the material that precipitates in 78%ethanol in the AOAC method for dietary fiber is dietary fiber.Since that time several methods have been approved for measuringdietary fiber by the AOAC. They are 1. AOAC Method 985.29 (1985) -Prosky, L, Asp, N-G., Furda, I., DeVries, J.W., Schweizer, T.F. andHarland, B.F..[Total dietary fiber in foods]; 2. AOAC Method 991.42(1992) - Prosky, L., Asp, N-G., Schweizer, T.F., DeVries, J.W. andFurda, I. [Insoluble dietary fiber in foods]; 3. AOAC Method 993.16(1992) - Prosky, L., Asp, N-G., Schweizer, T.F., DeVries, J.W. andFurda, I. [Soluble dietary fiber in foods]; 4. AOAC Method 991.43(1992) - Lee, S.C., DeVries, J.W. and Prosky, L. [Total, soluble,and insoluble dietary fiber in foods]; 5. AOAC Method 992.16 (1993)- Mongeau, R. and Brassard, R.. [Total dietary fiber in foods]; 6.AOAC Method 993.21 (1994) - Li, B. and Cardozo, M.S. [Total dietaryfiber in foods with little or no starch]; 7. AOAC Method 994.13(1995) - Theander, O., Aman, P., Westerlund, E., Andersson, R. andPettersson, D. [Total dietary fiber in foods as the sum of neutralsugar residues, uronic acid residues and Klason lignin]; 8. AOACMethod 997.08 (1997) - Hoebregs, H. [Inulin and oligofructose]; 9.AOAC Method 999.03 (1999) - McCleary, B.V., Murphy, A., andMugford, D.C. [Oligofructans and fructan oligosaccharides], 10.AOAC Method 2000.11(2000) - Craig, S.A.S., Holden, J.F., andKhaled, M.J. [Polydextrose], 11.. AOAC Method 2001.02 (2001) - deSlegte, J. [Transgalactooligosaccharides], and 12. AOAC Method2001.03 (2001) - Gordon, D.T. and Ohkuma, K. [Total dietary fiberand low molecular weight resistant maltodextrin] (2). |
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