The so-called gold and silver foil powder, in fact, is the metal gold, metal silver through certain physical means is processed to extend into a very thin sheet or powder, mostly used for building decoration or handicrafts.
Gold foil is much thinner than a cicada's wing, and generally speaking, 1 gram of gold can be made into about 0.5 square meters of gold foil, which is basically equivalent to the size of a large floor tile. It can be added into wine, pastry, cake, coffee, tea, hot pot, cooking, condiment, cosmetic, and bath agent to improve the grade of goods, show the luxury and increase the festive atmosphere.
Related regulations:
According to China's relevant food safety laws and regulations and food safety standards. Gold and silver foil powder is not a food additive, can not be used in food production and management. It shall not be made and shall not be sold.
On January 29, 2022, the General Administration of Market Supervision (GAMS), the National Health and Health Commission (NHHC), and the General Administration of Customs (GAC) jointly issued the Circular on the Investigation and Handling of Illegal Behavior of the Production and Operation of Foods Containing Gold and Silver Foil Powder in accordance with Laws (hereinafter referred to as the Circular).
The Notice requires market supervision departments at all levels to strictly monitor food safety, food producers shall not purchase and use gold and silver foil powder to produce and process food, food sellers shall not purchase and sell food containing gold and silver foil powder, and food service providers shall not produce and sell meals containing gold and silver foil powder.