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Magnesium trisilicate is an
inorganic compound In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemist ...
that is used as a
food additive Food additives are substances added to food to preserve flavor or enhance taste, appearance, or other sensory qualities. Some additives have been used for centuries as part of an effort to preserve food, for example vinegar (pickling), salt (salt ...
. The additive is frequently used by
fast food Fast food is a type of mass-produced food designed for commercial resale, with a strong priority placed on speed of service. It is a commercial term, limited to food sold in a restaurant or store with frozen, preheated or precooked ingredien ...
chains to absorb fatty acids and extract impurities formed while
frying Frying is the cooking of food in oil or another fat. Similar to sautéing, pan-fried foods are generally turned over once or twice during cooking to make sure that the food is well-made, using tongs or a spatula, while sautéed foods are cooked ...
edible oils. It has good acid neutralizing properties, but the reaction appears too slow to serve as an effective non-prescription antacid.


Health effects

On March 12, 2007, Chinese health authorities halted the use of magnesium trisilicate at Shaanxi Province
KFC KFC (Kentucky Fried Chicken) is an American fast food restaurant chain headquartered in Louisville, Kentucky, that specializes in fried chicken. It is the world's second-largest restaurant chain (as measured by sales) after McDonald's, with 2 ...
franchises, suspecting it to be a possible carcinogen. As a response, China's Ministry of Health conducted tests at six outlets of KFC. The results showed chemicals in the cooking process at KFC restaurants in the country were not harmful. The Ministry of Health said tests showed that using the product to filter cooking oil had no apparent impact on health. Food scares regularly sweep the Chinese media.


References

Food additives Silicates Magnesium compounds {{inorganic-compound-stub