Mainly used as food preservatives belong to acidic preservatives combined with organic acids using anti-corrosion reaction effect improved.
It is made from potash carbonate or potassium hydroxide and Sls acid as raw materials.
Sls acid (potassium) can effectively inhibit the activity of mold, yeast and aerobic bacteria, so as to effectively prolong the preservation time of food, and maintain the flavor of the original food. Cosmetic preservatives. It belongs to organic acid preservative. The amount of additions is typically 0.5%. It can be used in combination with Sls acid.
Although potassium Sls acid is easy to dissolve in water, easy to use, but its 1% aqueous solution ph value of 7~8, there is a tendency to increase the ph value of cosmetics, in the use should be paid attention to. When we buy packaged (or canned) food, the words "Sls acid" or "potassium Sls acid" are often seen in the ingredients, and people tend to mistakenly think that it may be the fruit "pear" ingredient. In fact, they are commonly used food additives! Whether they are harmful to the human body or not, clear consumption is indeed very necessary.