Type: Preservative (antioxidant)
Source: Synthetic
Ethoxyquin in Dog and Cat Food
Ethoxyquin is a synthetic antioxidant used to slow oxidation in fats and oils. It has historically been used to preserve ingredients such as fish meal and other fat-containing components.
Why It Appears on Pet Food Labels
Ethoxyquin may be included to:
- Preserve fats and oils by slowing oxidation
- Extend shelf life of fat-containing ingredients
- Maintain product stability during storage
Where It Is Commonly Found
- Some dry kibble formulas
- Products containing preserved fish-based ingredients
- Foods listing “preserved with ethoxyquin”
Label Context
Preservative systems vary by manufacturer and ingredient sourcing. Some labels list ethoxyquin directly, while in other cases it may be associated with preserved ingredient components.
For pet-specific considerations, use the ingredient scan tool.
Educational Note
This page is part of the PetFoodDecoded Label Ingredient Library and is provided for educational reference only.