Magnesium trisilicate

Magnesium trisilicate is an inorganic compound that is used as a food additive. The additive is frequently used by fast food chains to absorb fatty acids and extract impurities formed while frying edible oils.[1] It has good acid neutralizing properties, but the reaction appears too slow to serve as an effective non-prescription antacid.[2]

Magnesium trisilicate
Structural formula of magnesium trisilicate
Names
Preferred IUPAC name
Dimagnesium dioxido-bis[(oxido-oxosilyl)oxy]silane
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.035.509
EC Number
  • 239-076-7
UNII
  • InChI=1S/2Mg.O8Si3/c;;1-9(2)7-11(5,6)8-10(3)4/q2*+2;-4
    Key: GXGAKHNRMVGRPK-UHFFFAOYSA-N
  • [O-][Si](=O)O[Si]([O-])([O-])O[Si](=O)[O-].[Mg+2].[Mg+2]
  • [Mg++].[Mg++].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O
Properties
Mg2O8Si3
Molar mass 260.857 g·mol−1
Appearance White crystals
Odor Odourless
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Health effects

On March 12, 2007, Chinese health authorities halted the use of magnesium trisilicate at Shaanxi Province KFC franchises, suspecting it to be a possible carcinogen.[3] As a response, China's Ministry of Health conducted tests at six outlets of KFC.[4] The results showed chemicals in the cooking process at KFC restaurants in the country were not harmful.[5] 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.[6]

References
  1. Alamgir, A. N. M. (2018), Therapeutic Use of Medicinal Plants and their Extracts: Volume 2: Phytochemistry and Bioactive Compounds, Progress in Drug Research, vol. 74, Springer, p. 377, ISBN 978-3319923871
  2. Washington, Neena (1991), Antacids and Anti Reflux Agents, CRC Press, p. 6, ISBN 0849354447
  3. "Suspect additive found in KFC". Xinhua News Agency. March 12, 2007. Archived from the original on March 15, 2007.
  4. "Chinese Health Ministry Okays KFC". Medindia. March 14, 2007.
  5. "China officials clear KFC". QSRweb. March 14, 2007. Archived from the original on November 14, 2011. Retrieved September 22, 2011.
  6. "China officials clear KFC after food scare". Reuters. March 13, 2007.
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