Mastic is the name given to the resinous gum that exudes from the scored bark of the Gum Mastic Tree. There are many varieties of mastic trees (Pistacia lentiscus) in the Mediterranean and Middle East, yet most of the world’s production of gum mastic comes from the “Protected Designation of Origin” trees (P. lentiscus var. Chia) that grow on the Greek island of Chios. The name