Glycerol Ester of Rosin

Glycerol ester of rosin can be used as an emulsifier, stabilizer or thickening agent. It can be used to keep flavoring oils (e.g., citrus oils) mixed evenly in beverages.

Found In
  • Chewing gum
  • Flavored beverages
  • Sodas
  • Sports drinks
Also Known As
  • E445(i)
  • E445(ii)
  • E445(iii)
  • Ester Gum
  • Glycerol Ester of Gum Rosin
  • Glycerol Ester of Wood Rosin
The Beverage Bottom Line

Glycerol ester of wood rosin is authorized for use in the U.S., Europe and Canada.

This ingredient may have authorizations in countries not included on this site.


International Assessments and Authorizations


U.S. Food And Drug Administration

Safe for intended uses. ()

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European Food Safety Authority

Safe for intended uses.

In 2018 and 2023, EFSA reaffirmed the safety of glycerol ester of wood rosin.

In 2010, EFSA could not assess the safety of glycerol ester of gum rosin

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Joint FAO/WHO Expert Committee on Food Additives

Safe for intended uses.

In 2018, JECFA reaffirmed the safety of glycerol ester of wood rosin.

In 2015, JECFA could not assess the safety of glycerol ester of gum rosin.

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Safe for intended uses.

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This page was last updated on 6/30/2025