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Most of them can be detected with iodine solution, giving a red coloration; one distinguishes erythrodextrin (dextrin that colours red) and achrodextrin (giving no colour). White and yellow dextrins from starch roasted with little or no acid are called British gum. A dextrin with α-(1→4) and α-(1→6) glycosidic bonds
dextrin (INS 1400), [3] roasted starch with hydrochloric acid; alkaline-modified starch (INS 1402) [3] with sodium hydroxide or potassium hydroxide; bleached starch (INS 1403) [3] with hydrogen peroxide; oxidized starch (INS 1404, E1404) [3] with sodium hypochlorite, breaking down viscosity; enzyme-treated starch (INS 1405), [3] maltodextrin ...
A definition of a digestion-resistant maltodextrin is: "Resistant maltodextrin/dextrin is a glucose oligosaccharide. Resistant maltodextrin and dextrin products are composed of non-digestible oligosaccharides of glucose molecules that are joined by digestible linkages and non-digestible α-1,2 and α-1,3 linkages."
In addition, starch is processed to modified starch in order to change material properties. The modified starches have a wide range of applications in many industries. Applications of starch in non-food sectors include: production of dextrin and adhesives, drilling fluids, biodegradable plastics, gypsum binders and many other.
Hydrogenated starch hydrolysates are produced by the partial hydrolysis of starch – most often corn starch, but also potato starch or wheat starch. This creates dextrins (glucose and short glucose chains). The hydrolyzed starch (dextrin) then undergoes hydrogenation to convert the dextrins to sugar alcohols.
Here breakdown involves hydrolysis, i.e. cleavage of bonds between sugar subunits by the addition of water. Some sugars are isomerized. The processes have been described as occurring in two phases: liquefaction and saccharification. The liquefaction converts starch into dextrins. Amylase is a key enzyme for producing dextrin. The ...
They're more cousins than sisters—hard red winter wheat is the predominant variety of wheat grown in the U.S., while European countries rely mostly on soft red winter wheat and durum wheat.
Whole grain wheat may contain as high as 14% resistant starch, while milled wheat flour may contain only 2%. [46] Resistant starch content of cooked rice was found to decrease due to grinding; resistant starch content of oats dropped from 16 to 3% during cooking. [20] Other types of processing increase resistant starch content.