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gum base and sugar-free chewing gum contains 25-30% gum base.

Researchers at the University of Illinois at Urbana-Champaign and at Wm. Wrigley Jr. Company are studying the possibility of making gum base with biodegradable zein (corn protein).

Large chewing gum manufacturers generally produce their own gum base in-house while small chewing gum producers usually buy gum base from third-party suppliers.

Composition and manufacture

Another way to categorize the various components of gum

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