Silicon Dioxide, CAS# 7631-86-9, is a common chemical compound manufactured through mining and purification of the resulting mineral, available as White powder. Silicon Dioxide is widely used as antioxidants. It is widely accepted as safe food additive in many countries with E number E551.
In rare case, ingustion of silicon-containing antacids for long periods of time can cause Kidney stones in specific groups of individuals.
As Silicon Dioxide is widely known as safe, there is no limit on dosage of intake. However, we still recommend consumers to consult professionals before using large quantity of Silicon Dioxide for long period.
Special groups refer to newborns, children, pregnant and any other applicable vulnerable groups.
There is no evidence that Silicon Dioxide could have any negative effects on these vulnerable groups. It should be safe to use Silicon Dioxide in food for newborns and pregnant. However, we still recommend consumers to consult professionals before using large quantity of Silicon Dioxide for long period in food for newborns or pregnant.
Generally recognized as safe(GRAS) is a FDA designation that a specific substance or ingredient is generally considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements. Silicon Dioxide is considered safe by FDA according to existing data and granted GRAS status.
No breaking news or public health crises reported about Silicon Dioxide reported up to now.
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1. Oxidative potential of ultraviolet-A irradiated or nonirradiated suspensions of titanium dioxide or silicon dioxide nanoparticles on Allium cepa roots.[Environ Toxicol Chem. 2014 Apr]
Author: Koce JD, Drobne D, Klančnik K, Makovec D, Novak S, Hočevar M.
2. Acute toxicity of intravenously administered microfabricated silicon dioxide drug delivery particles in mice: preliminary findings.[Drugs R D. 2005]
Author: Martin FJ, Melnik K, West T, Shapiro J, Cohen M, Boiarski AA, Ferrari M.