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Pure starch is a white, tasteless and odorless powder that is insoluble in cold water or alcohol. It consists of two types of molecules: the linear and helical amylose and the branched amylopectin. Depending on the plant, starch generally contains 20 to 25% amylose and 75 to 80% amylopectin by weight. [4]
Polysaccharide. 3D structure of cellulose, a beta-glucan polysaccharide. Amylose is a linear polymer of glucose mainly linked with α (1→4) bonds. It can be made of several thousands of glucose units. It is one of the two components of starch, the other being amylopectin. Polysaccharides (/ ˌpɒliˈsækəraɪd /), or polycarbohydrates, are ...
Amylopectin / ˌæmɪloʊˈpɛktɪn / is a water-insoluble [1][2] polysaccharide and highly branched polymer of α- glucose units found in plants. It is one of the two components of starch, the other being amylose. Relation of amylopectin to starch granule. Plants store starch within specialized organelles called amyloplasts.
Amylose is a polysaccharide made of α- D - glucose units, bonded to each other through α (1→4) glycosidic bonds. It is one of the two components of starch, making up approximately 20–30%. Because of its tightly packed helical structure, amylose is more resistant to digestion than other starch molecules and is therefore an important form ...
Resistant starch. A specially developed strain of barley, high in resistant starch. Resistant starch (RS) is starch, including its degradation products, that escapes from digestion in the small intestine of healthy individuals. [1][2] Resistant starch occurs naturally in foods, but it can also be added as part of dried raw foods, or used as an ...
Wheat bran has a high content of dietary fiber. Dietary fiber (fibre in Commonwealth English) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. [1] Dietary fibers are diverse in chemical composition and can be grouped generally by their solubility, viscosity and fermentability ...
Molecules with very small chain length resulting from the breakdown of cellulose are known as cellodextrins; in contrast to long-chain cellulose, cellodextrins are typically soluble in water and organic solvents. The chemical formula of cellulose is (C 6 H 10 O 5) n where n is the degree of polymerization and represents the number of glucose ...
Inulin is a heterogeneous collection of fructose polymers. It consists of chain-terminating glucosyl moieties and a repetitive fructosyl moiety, [13] which are linked by β (2,1) bonds. The degree of polymerization (DP) of standard inulin ranges from 2 to 60. After removing the fractions with DP lower than 10 during manufacturing process, the ...