No. Because gold is not absorbed by the human body it is absolutely safe to eat. Gold leaf is authorized as a food additive by Ministry of Health, Labour and Welfare. Furthermore, although edible pure gold is authorized from 4th color (gold: 94.438%, silver: 4.901%, copper: 0.661%), Tsukioka Gold Leaf does not contain copper, so that it is even safer and more secure.
Is gold good for your body?
It is proven that eating pure gold gives you a relaxation and healing effect (Refer to the scientific test data table).
What is the difference between Kanazawa Gold Leaf and Tsukioka Gold Leaf?
Manufacturing process, purity and texture are different. In contrast to Kanazawa Gold Leaf made in striking and extending by craftsmen, Tsukioka Gold Leaf is made in sputtering method in which we coat PET film with gold particles in vacuum.
With sputtering, since it is produced in vacuum without external effect, contamination will be prevented.
It says “this product cannot be applied to laminaria, meat, fresh fish and shellfish
(including whale meat), tea, beans, vegetables and wakame seaweed” on its usage
Because edible Gold Leaf belongs to a food coloring category of food additives, we describe the usage standard of the food coloring.
It is prohibited to use food coloring for fresh food such as fresh fish and shellfish, meat and vegetables. Because consumers may misjudge the quality and freshness.
What do I describe when the gold leaf is used for decorating cakes?
It should be described as “Food coloring (gold leaf)”.