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In biscuit making, use of chlorinated flour reduces the spread of the dough, and provides a "tighter" surface. The changes of functional properties of the flour proteins are likely to be caused by their oxidation. In countries where bleached flour is prohibited, microwaving plain flour produces similar chemical changes to the bleaching process ...
It is mainly used as an oxidant to enhance the extraction of precious metals from their ores. In its second main application, it is used as a food additive under the E number E930 it is used as flour bleaching agent and improving agent. [3] In agriculture it is used in the presowing treatments of rice seed.
As a food additive, azodicarbonamide is used as a flour bleaching agent and a dough conditioner. [8] It reacts with moist flour as an oxidizing agent. [9] The main reaction product is biurea, which is stable during baking. [9] Secondary reaction products include semicarbazide and ethyl carbamate. [8] It is known by the E number E927. Many ...
A dough conditioner, flour treatment agent, improving agent or bread improver is any ingredient or chemical added to bread dough to strengthen its texture or otherwise improve it in some way. Dough conditioners may include enzymes , yeast nutrients, mineral salts, oxidants and reductants , bleaching agents and emulsifiers . [ 1 ]
Once the endosperm is isolated, it is ground into a fine powder and sifted to remove any remaining fragments of bran or germ. Next, a chemical bleaching process is used to give the flour a whiter color. This bleaching step, usually with chlorine or benzoyl peroxide, destroys many of the original nutrients that were present in the flour.
Chlorine releasing solutions, such as liquid bleach and solutions of bleaching powder, can burn the skin and cause eye damage, [2] especially when used in concentrated forms. As recognized by the NFPA, however, only solutions containing more than 40% sodium hypochlorite by weight are considered hazardous oxidizers.
Calcium hypochlorite is an inorganic compound with chemical formula Ca(Cl O) 2, also written as Ca(OCl) 2.It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air.
The English name reflects the historical use of the material for fulling (cleaning and shrinking) wool, by textile workers known as fullers. [1] [2] [3] In past centuries, fullers kneaded fuller's earth and water into woollen cloth to absorb lanolin, oils, and other greasy impurities as part of the cloth finishing process.