China is the first place to eat gold foil in history. As early as the Qin and Han Dynasties, the rich in China had records of eating gold foil and powder. In modern times, eating gold foil is also very popular in Japan and Southeast Asia. The pure gold with the purity of 99.99% was physically vaporized to make it evenly dispersed into small molecules, and then these small molecules of gold were stacked again to form food additive gold foil by accurately controlling molecular epitaxial stacking.
1983, the Codex Alimentarius Commission of the World Health Organization (WHO) officially listed nine thousand nine hundred and ninety-nine's natural pure gold in the category of food additives as table A3 10. The Eighth Mineral and Trace Elements of New Food Resources published by the Ministry of Health of China clearly stipulates the edible function of gold foil.
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The classification of gold foil can be roughly divided into industrial gold foil and edible gold foil. The production process is the daily automobile workshop, and the production process is about 1 1. There is no disinfection, cleaning and other health links in the production process of industrial gold foil, which can not meet the food hygiene standards. Edible gold foil is produced in strict accordance with hygienic standards and sterilized by high temperature distillation, reaching edible level.
China is the first country in history to eat gold. As early as the Qin and Han Dynasties, there were records of rich people eating gold foil and gold powder in China. In modern times, gold leaf is also very popular in Japan and Southeast Asia.
1983, the Codex Alimentarius Commission of the World Health Organization (WHO) officially listed nine thousand nine hundred and ninety-nine's natural pure gold in the category of food additives as table A3 10. The edible gold foil we are introducing now is only one thousandth of a millimeter thick, and most people have no idea about this thickness.
Metal itself is opaque, but edible gold foil is very thin and can be transparent, so the word "wings as thin as cicadas" is used to describe it. In fact, compared with cicada wings, the tension of thin water will be broken and it is impossible to hold it by hand. According to the record of "Jinshi" in Compendium of Materia Medica, raw gold is toxic. For example, under natural conditions, golden food contains many impurities, which are toxic and inedible.