Can silicon dioxide be edible?
Silicon dioxide can be eaten but it is restricted.
Silicon dioxide is a kind of anti-caking agent.
Anti-caking agent is a substance used to prevent particles or powdery food from aggregated blocks and to maintain their loose or free flow. Its fine particles, loose and porous, strong adsorption, easy to adsorb and lead to the formation of dispersed water, oil make the food powder or particle to keep state.
There are 5 kinds of anti-caking used in China: potassium ferrocyanide, sodium aluminosilicate, tricalcium phosphate, silicon dioxide and microcrystalline cellulose.
Silicon dioxide can be edible, because fungus and calcium tablet have the chemical composition of SiO2, but there is a strict proportion, such as eggs, milk powder, cocoa powder, cocoa butter, sugar, vegetable fat powder, Instant Coffee, powdery soup, the maximum usage is 15g/kg; flavor powder, use the largest 80g/kg; 0.2g/kg; solid beverage, food safety, 1.2g/kg, can.