The word cereal is derived from ceres, the Roman Goddess of grain. The common cereal crops are rice, wheat, corn, oats and rye. The term cereal is not limited to these but also flours, meals, breads and alimentary pastes or pasta. Cereal science is a study concerned with all technical aspects of cereal. It is the study the nature of the cereals and the changes that occurs naturally and as a result of handling and processing.

Sunday, November 24, 2019

Nutrient rich rye bread

Bread made from whole and brown rye flours is a major component of diet in Finland, Denmark, Russia, and the Baltic countries. It has been shown to be a source of nutrients, especially carbohydrates, fiber, proteins and some minerals (magnesium, phosphorus, iron).

The chemical composition, nutritional value and sensory quality of bread depend on the type and extract of rye flour used for its production, on the technological process, water content and technological additives.

The macronutrients in rye are the same as in other cereals: starch, dietary fibre, and protein. Rye generally contains less starch and crude protein than wheat, but more free sugars and dietary fibre. Of the free sugars, sucrose and fructo-oligosaccharides dominate.

Rye fiber is a rich source of non-cellulose polysaccharides with a high fiber water-binding capacity. By binding water in the intestinal tract, rye breads give the sensation of fullness and help normalize bowel function.

Rye bread has shown potential as a health-beneficial component in the diet, especially in relationto non-communicable diseases.

The dietary fibre content of typical rye bread is about three times higher than that of white wheat bread. The reason for this is that rye bread is usually made of whole grain rye fl our, while white wheat bread is typically made of wheat fl our, where the outer layers of wheat grain have been eliminated during the milling process. However, even at the same extraction rate, rye fl our would have a higher fibre content than wheat flour.

Bioactive compounds present in large quantity in the rye bran are lignans, alkyresorcinol, benzoxazinoids, phytosterols,phenolic acids, folates, tocopherols and tocotrienols.
Nutrient rich rye bread
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