Abstract
The concept of dietary fibre has been evolving over the past 20 years from a chemical to a physiological focus. This has led to changes in the definition of dietary fibre and the inclusion of carbohydrate components that previously were not considered to be dietary fibre, and, consequently, were not measured, or were partially measured. The inclusion of resistant starch and non-digestible oligosaccharides (e.g. fructo-oligosaccharides, arabino-xylosaccharides, galacto-oligosaccharides, resistant maltodextrins and Polydextrose) has required the development of improved, all-inclusive analytical methodology to service the definition. In this chapter, the current status concerning definition of dietary fibre and methodology to service this definition will be discussed. More specifically, an integrated procedure for the measurement of total dietary fibre as defined by Codex Alimentarius is described in detail.
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