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In Vivo Mineral Contents of Dietary Fiber Determined by EDX Analysis

  • Frederick R. Dintzis
  • Frederick L. Baker
  • Tim S. Stahly
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 249)

Abstract

In the past fifteen years there has been extensive research into relationships between the dietary fiber content of human and animal diets and health and nutrition. A continuing concern is that binding of minerals to dietary fiber may impair mineral bioavailability (Kies, 1985; Sandstrom et al., 1987). The in vitro binding of elements such as Ca, Fe, Mg, and Zn to various fiber substrates has been reported (Camire & Clydesdale, 1981; Reinhold et al., 1981). Numerous feeding studies in recent literature (reviewed by Kelsay, 1986) also address questions of effects on mineral bioavailability of dietary fiber in human and animal diets. An interesting question is whether or not the plant cell walls of the dietary fiber source impede mineral absorption by acting as mineral sinks that remove significant amounts of cations from the intestinal lumen. However, there are relatively few studies that examine changes in the mineral content of such tissues to directly measure in vivo mineral binding.

Keywords

Dietary Fiber Distal Colon Proximal Colon Average Atomic Number Corn Bran 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • Frederick R. Dintzis
  • Frederick L. Baker
  • Tim S. Stahly

There are no affiliations available

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