Dietary Fiber In Food Processing
Different food processing methods also increase the dietary fiber content of food.
Dietary fiber in food processing. Finally the benefits and risks of increasing consumption. The modification and application of dietary fiber in foods is reviewed with respect to definition and classification and methods for measurement extraction and modification of dietary fiber. The supplementation of dietary fiber for flour meat and dairy products is also reviewed. Recently food manufacturers have responded to consumer demand for foods with a higher fibre content by developing products in which highfibre ingredients are used.
And high fiber foods tend to take longer to eat and to be less energy dense which means they have fewer calories for the same volume of food. Dietary fiber plays an important role in human health. In addition to dietary fiber isolated and extracted fibers are known as functional fiber and have been shown to induce beneficial health effects when added to food during processing. Helps you live longer.
Utilization of food processing by products as dietary functional and novel fiber. Dietary fiber consists of non digestible carbohydrate in polysaccharide group. The recommended daily allowances rdas for total fiber intake for men and women aged 19 50 are 38 gram day and 25 gram day respectively. Studies suggest that increasing your dietary fiber intake especially cereal fiber is associated with a reduced risk of dying from cardiovascular disease and all cancers.
Cereal fruit and vegetable by products or algae easily generated in great quantity can be recovered and used as a value added products. Servings of commonly consumed grains fruits and vegetables contain only 1 3 g of dietary fiber marlett cheung 1997. Although a number of techniques can be used to alter the physicochemical properties of dietary fiber extrusion canning grinding boiling or frying these non digestible carbohydrates can be difficult to process. The contents of dietary fiber in some foods are given table 5 jalili et al 2001.
They supply dietary fibre as well as bioactive compounds such as polyphenols and essential oils providing economic benefit to the food cosmetic and pharmaceutical industries one representative example is the residue obtained from the industrial processing. Soluble fiber which dissolves in water is generally fermented in the colon into gases and physiologically active by products such as short chain fatty acids produced in the colon by gut bacteria. Ekici and ercoskun 2007. Dietary fiber can be used in a variety of functional foods such as bakery and meat products as well as beverages.
Moreover its chemical and physical properties may be affected by food processing. In the dietary fiber market apart from non starch dietary fibers from various fruits and vegetables resistant starch can also be found in a wide variety of foods rich in starch such as legumes grains roots and also derived from food ingredient added.