Mastiha is made exclusively on the Greek island of Chios since antiquity. It derives from the resin that seeps from the bark of Mastiha trees ...

Chios mastic was medicinally used by ancient ... of 5th-century Greek Herodotus. Even then Greeks were chewing the resin in ...

The oldest chewing gum is thought to be birch sap; an ancient chunk of birch bark sap with teeth marks was discovered in Finland and is thought to be between 5,500-6,000 years old. In Greece ...