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Chowhound on MSNThe Evolution Of Chewing Gum From Tree Sap To Hubba BubbaFirst enjoyed by our Neolithic ancestors, chewing gum has transformed from unpalatable tree resin to a delectable, flavorful ...
But this tree sap has been prized across the world for over ... Muez Hailu, Director of Forest Development: "In Ethiopia, there are six species of gum and resin trees. One of those species is ...
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