Gum arabic , also known as acacia gum , chaar gund , char goond , or meska , is a natural gum made of hardened sap taken from two species of the acacia tree ; Senegalia ( Acacia ) senegal and Vachellia ( Acacia ) seyal .
It is made of hardened sap from two species of acacia tree ; Senegalia ( Acacia ) senegal and Vachellia ( Acacia ) seyal .