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Ingredient Guide

🇺🇸 Quinoline Yellow on Food Labels in US

Quinoline Yellow is permitted with restrictions and maximum levels in United States: declare as "D&C Yellow No. 10 (when used in food — rare)" in the ingredient list.

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What the Rule Is

Yellow to greenish-yellow synthetic food dye used in smoked fish products, confectionery, and beverages. In United States, Quinoline Yellow is regulated under FDCA & FSMA as a food coloring. Quinoline yellow is approved for use in externally applied drugs and cosmetics as D&C Yellow No. 10, but NOT currently approved for use in food in the US. Check if product intended for US market contains this color.

What You Must Include
  • Declare as "D&C Yellow No. 10 (when used in food — rare)" in the ingredient list
  • Declare with functional class: "coloring" and E-number E104
  • Review all compound ingredients for hidden sources
  • Cross-check all compound ingredients and sub-ingredients for hidden sources
Common Violations
  • Incorrect or missing declaration name — must use "D&C Yellow No. 10 (when used in food — rare)"
  • Using an ambiguous or abbreviated name that does not identify Quinoline Yellow
  • Omitting the E-number E104 where required
  • Not updating the label after recipe changes involving this ingredient
  • Failing to check compound ingredients for hidden Quinoline Yellow content
Examples: Compliant vs Non-Compliant

Compliant Examples

"coloring: D&C Yellow No. 10 (when used in food — rare)"
"D&C Yellow No. 10 (when used in food — rare)" in ingredient list
Full ingredient line: "Ingredients: ... D&C Yellow No. 10 (when used in food — rare) ..."

Non-Compliant Examples

Using a synonym (CI Food Yellow 13, D&C Yellow No. 10) without the approved declaration name
Ingredient list with "Quinoline Yellow" without functional class or E-number
"Natural [ingredient category]" without specific name where specific name is required
How LabelGuard Checks This

LabelGuard scans your label for Quinoline Yellow and all its common names (E104, CI Food Yellow 13, D&C Yellow No. 10) to verify correct declaration, required E-numbers, and proper functional class labeling under US rules.

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Frequently Asked Questions

How must Quinoline Yellow be declared on food labels in US?

Declare as "D&C Yellow No. 10 (when used in food — rare)" in the ingredient list. Quinoline yellow is approved for use in externally applied drugs and cosmetics as D&C Yellow No. 10, but NOT currently approved for use in food in the US. Check if product intended for US market contains this color.

What are the common synonyms and hidden sources of Quinoline Yellow?

Quinoline Yellow may appear under the following names: E104, CI Food Yellow 13, D&C Yellow No. 10. Common hidden sources include: Smoked haddock, Some confectionery, Marzipan, Hair dye (cosmetics), Some soft drinks.

Is Quinoline Yellow banned or restricted in any market?

Restricted with maximum levels in: US. Requires mandatory warnings in: EU, UK.

Regulation Sources

Last updated: 2026-04-01

Disclaimer: This information is for guidance only and does not constitute legal advice. Always consult official regulations and seek professional legal advice for specific compliance questions.

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