Abstract
The physiological implications of various types of dietary fiber (DF) are highly correlated to the chemical and structural composition of cell wall materials (CWM) (e.g. Anderson and Chen, 1979; Eastwood and Kay, 1979; Cummings and Branch 1982; Selvendran, 1984; Wisker et al. 1985). These factors in turn determine the physical and physicochemical properties of DF of which the water holding capacity, viscosity and cationic exchange capacity have attracted most interest (Van Soest and Robertson, 1976; Eastwood and Kay, 1979). Wheat bran has a high proportion of insoluble lignified CWM (Selvendran, 1984) and behaves more or less like a inert marker in the gastrointestinal (GI) tract. Wheat bran has little or no effect on digestion and absorption of nutrients in the small intestine and is highly resistant to microbial degradation in the large intestine of monogastrics including man (Stephen and Cummings, 1980). Consequently wheat bran, due to its physical presence, is one of the most efficient DF sources in increasing fecal bulk and in decreasing mouth-to-anus transit time (Cummings et al. 1978; Spiller et al. 1986).
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© 1990 Plenum Press, New York
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Knudsen, K.E.B., Hansen, I., Jensen, B.B., Østergård, K. (1990). Physiological Implications of Wheat and Oat Dietary Fiber. In: Furda, I., Brine, C.J. (eds) New Developments in Dietary Fiber. Advances in Experimental Medicine and Biology, vol 270. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-5784-1_13
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DOI: https://doi.org/10.1007/978-1-4684-5784-1_13
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