Metabolism
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Sugars, starches and the glycaemic index
Objectives
By the end of this exercise you should be able to:
Explain what is meant by the term glycaemic index and describe in outline how it is measured
Describe the main types of carbohydrate and explain how carbohydrates can be classified on the basis of their chemistry
Explain the processes involved in the digestion and absorption of carbohydrates
Describe the structure of starch and explain how starch may be rapidly or slowly digested, or may be more or less completely resistant to digestion
Describe the fates of undigested starch and non-starch polysaccharides
Explain the beneficial effects of resistant starch and non-starch polysaccharides in the diet