E521 — пищевая добавка, регулятор кислотности, уплотнитель, сульфат алюминия-натрия, aluminium sodium sulphate (Е521)

Aluminium sodium sulphate is prepared from natural aluminium sulphate, which is produced by dissolving aluminium hydroxide in sulphuric acid. This produces a white crystalline solid that is soluble in water, and is used as an acidity regulator, and bleaching agent in foods.

It strengthens the structure of vegetables during processing. It is used as acidity regulator and bleaching agent in flour. Found in Flour, cheese, confectionary. Acceptable daily intake (ADI): None determined. Side effects: Aluminium inhibits the uptake of B-vitamins. It may also influence liver function in high concentrations. However with use of E521 the concentrations are too low.

Common Uses

Found in foods such as flour, cheese, and confectionary.



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