Reference: Cummings JH. (2001) The effect of dietary fiber on fecal weight and composition. Chapter 4.4 in: CRC Handbook of Dietary Fiber ain Human Nutrition. 3rd edition. Edit GA Spiller. CRC Press, Boca Raton.
McCance and Widdowson's The Composition of Foods (Sixth Edition). Royal Society of Chemistry, Ministry of Agriculture, Fisheries and Food plus manufacturer website.
Reference: Spiller, Gene A. CRC Handbook of Dietary Fiber in Human Nutrition, 3rd edition CRC Press, Boca Raton, FL 2001
Reference: U.S. Department of Agriculture, Agricultural Research Service. “What We Eat in America,” Nutrient Intakes from Food by Gender and Age. National Health and Nutrition Examination Survey (NHANES) 2009-2010. http://www.ars.usda.gov/SP2UserFiles/Place/12355000/pdf/0910/Table_1_NIN_GEN_09.pdf. Accessed December 18, 2013.