Dietary Fiber Chemistry Structure And Properties

Chemistry analysis and properties.

Dietary fiber chemistry structure and properties. The intestinal bacteria and the cells lining the large intestine can then use these smaller molecules as an energy source. Chichester co mrak em schweigert bs eds advances in food research vol 31. Large intestine digestion of dietary fibre.

It has two main components. The physicochemical structural properties and digestibility of rice starch treated by bamboo shoot dietary fiber bsdf combined with dynamic high pr. Academic press new york pp 117 209 google scholar.

Selvendran rr stevens bjh dupont ms 1987 dietary fiber. Constitute about 50 80 of the. Dietary fiber british spelling fibre or roughage is the portion of plant derived food that cannot be completely broken down by human digestive enzymes.

Polysaccharides derived from plant foods are major components of the human diet with limited contributions of related components from fungal and algal sources. This chapter discusses the chemistry analysis and properties of dietary fiber. When dietary fibre reaches the large intestine the bacteria present release enzymes that cause the fibre to be broken down into smaller molecules such as butyric acid ch 3 ch 2 ch 2 cooh.

The physical properties of dietary fiber include but are not limited to the cell contents such as starch pectins and sugars also. Increasing the structural components in the diet namely through including coarse grain particles in diets and manipulating the dietary fibre composition has been shown to improve gut health feed utilisation and production efficiency. In particular starch and other storage carbohydrates are the major sources of energy in all diets while cell wall polysaccharides are the major components of dietary fiber.

The diet fiber content can be defined by the dietary level of the cell wall blaxter et al 1961 or more informatively by the cell wall and its physical properties mertens 1997. Carbohydrates are the most abundant of the compounds in living plants other than water and serve as a principal repository of photosynthetic energy. This is primarily because structural components physically stimulate activity in the fore gut.