Starch and Soluble Carbohydrates

Whole cereals are considered rich sources of dietary fiber. This fraction, rich in insoluble or structural carbohydrates, is not digested in the human gastrointestinal tract, and therefore does not provide calories. Dietary fiber is playing an important role in the current design of diets because it affects gastrointestinal function, and is considered as preventive and therapeutic for weight control, metabolic syndrome, and chronic diseases. There are clear differences in the composition and quality 

Cereals contain significant quantities of phytosterols that are known to decrease blood cholesterol. The phytosterols are mainly located in the germ therefore, cereals lose important quantities after milling. 

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FIGURE 4. a)Starch and soluble carbohydrate, b) ADPgIucose-pyrophosphorylase in grain as a function of time after pollination. 

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