Apple acid of E296 2918199890
Basic properties substances
Malic acid belongs to the group of hydroxy acids, it has excellent preservative properties. Outwardly, the salts of this acid look like a solid crystalline substance of white color, it forms many transparent crystals.
Which foods contain malic acid ? In the natural environment, it is present in varying amounts in apples (not ripe), citrus fruits, different grape varieties, cranberries, raspberries, barberries, rhubarb and gooseberries.
Interestingly, more malic acid can be obtained from fruits grown on organic farms than from those that adhere to classical farming methods. Also, the salts of this substance are found in tobacco and makhorka.
Malic acid has the following characteristics:
& nbsp Excellent hygroscopicity.
nbsp; A sufficient degree of dissolution in aqueous solutions - 144 g of crystals dissolve in about 100 ml of liquid. In ethanol and ethoxyethane, this substance dissolves slightly worse, malic acid does not dissolve in ether, benzene and aliphatic hydrocarbons.
; Has a sour taste without any odor.
; The substance can have 2 stereoisomeric forms .
Its melting point is 100-130 В° C .
nbsp; Malic acid boils at a temperature of 140-150 Its molar mass is 134.1 g / mol .
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Malic acid: usage in industry
This chemical is most often used in the food industry. A fairly large amount of it is found in juices and carbonated waters, wine materials, confectionery and bakery products, as well as canned vegetables and fruits.
Buy malic acid in bulk stands for enhancing the taste of food and regulating their level acidity, as well as increasing shelf life. It is her, and not artificial preservatives, should be chosen to extend the shelf life of food, since its crystals help slow down the multiplication of bacteria and fungi.
Malic acid in medicine is necessary to enhance the taste of certain types of medicines. It can also be found in medicines that help get rid of hoarseness and provide a laxative effect.
Malic acid in cosmetics is also actively used. It is necessary to provide the skin of the face with reliable protection from the harmful effects of free radicals and ultraviolet rays on it. In addition to being used in the cosmetic, pharmaceutical and food industries, malic acid also plays an important role in metabolic processes in the human body. Thanks to it, the level of blood pressure is reduced and the overall tone is increased. crystals of this substance stimulate additional collagen production.
Malic acid also has astringent, anti-inflammatory and antioxidant effects. It is not harmful to human health, but it is not means that it can be consumed in unlimited quantities.
If the food contains too much of this substance, it is fraught with problems with the organs of the digestive tract. In their pure form, malic acid crystals can cause severe burns to mucous membranes and skin.
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