The inhabitants of ancient civilizations were already chewing the resin of trees. And in the 1950s they were replaced by synthetic gums.
In addition, modern chewing gums contain softeners (vegetable oil), emulsifiers, fillers, flavors, sweeteners, dyes, preservatives. Well, synthetic gums, as a rule, do not decompose. True, in some cases it can be recycled and new plastic products can be created from them.
Modern gum also uses natural gums. It is rubber or tree resin.
Source: Ferra
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