Calcium oxide (e529) – nutritional supplement of group of emulsifiers.
By sight calcium oxide is the firm hydroscopic mass or powder of white or inodorous grayish-white color. Additive is well dissolved in glycerin, not dissolved in ethanol, and at interaction with water forms extinguished lime.
Receive additive in several ways. Receiving calcium oxide at thermal decomposition of calcium carbonate, limestone is widespread, and also at thermal decomposition of calcium hydroxide and calcic salts of oxygen-containing acids.
Properties of calcium oxide allow to apply it as reagent and a filler. Use it in the kozhevny industry, for neutralization of excess acid, in oil-processing industry by production of additives to oils (sulphatic, fenatny, alkilsalitsilatny). In chemical industry of property of calcium oxide apply by production of calcium stearate.
Additive e529 in the food industry is applied in production of bakery products as an improver of flour and bread (the amount of additive is regulated by technological instructions). Calcium oxide is one of ingredients in complex baking improvers. For yeast additive is a medium. In food baking and confectionery products e529 supports a certain level of acidity.
Besides, e529 apply in sugar industry as flocculant, the sorbent clarifying and a filter medium. Apply e529 by production of edible oils as the hydrogenation catalyst. By means of calcium oxide condition the water used for production of alcoholic beverages.
This chemical compound for neutralization of acid mediums is irreplaceable, in particular when dumping sewage into reservoirs. Substance serves in agrochemistry for processing of acid soils, and by production of edible and pharmacopoeian salt – for cleaning of a brine of calcium carbonates and magnesium. In the petrochemical industry calcium oxide is applied by production of solid oil and brake shoes.
Add e529 at production of various dry mixes for finishing works, and also by production of ebonite. Often calcium oxide is added to the mixes helping with pest control of various crops.
During the work with calcium oxide it is necessary to observe security measures (to wear glasses and protective gloves). In case of hit of chemical compound on skin or in a human body the following effects are possible: vitreous hypostasis of eyes, redness of eyes, a corrosive burn, difficult healing skin wounds, a burn of a gullet or stomach. Developing of conjunctivitis and dermatitis is possible.
In food stuffs e529 does not exert a negative impact on health of the person. The accurate norms controlling amount of additive e529 in food stuffs which guarantee its safety for the person are established.
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