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Ingredient Guide

🇬🇧 Quinoline Yellow on Food Labels in UK

Quinoline Yellow is permitted but requires specific warning statements in United Kingdom: declare as "quinoline yellow (E104)" with the required warning: "may have an adverse effect on activity and attention in children".

What the Rule Is

Yellow to greenish-yellow synthetic food dye used in smoked fish products, confectionery, and beverages. In United Kingdom, Quinoline Yellow is regulated under Retained EU Law & UK FIC as a food coloring. UK retains EU warning requirement. Declared with functional class and E-number.

What You Must Include
  • Declare as "quinoline yellow (E104)" in the ingredient list
  • Include the required warning: "may have an adverse effect on activity and attention in children"
  • 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
  • Missing the mandatory warning: "may have an adverse effect on activity and attention in children"
  • 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: quinoline yellow (E104)" + warning: "may have an adverse effect on activity and attention in children"
"quinoline yellow (E104)" in ingredient list
Full ingredient line: "Ingredients: ... quinoline yellow (E104) ..."

Non-Compliant Examples

Using a synonym (CI Food Yellow 13, D&C Yellow No. 10) without the approved declaration name
Missing the required warning statement near the ingredient declaration
"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 mandatory warning statements under UK rules.

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Frequently Asked Questions

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

Declare as "quinoline yellow (E104)" in the ingredient list. A mandatory warning must also appear: "may have an adverse effect on activity and attention in children". UK retains EU warning requirement. Declared with functional class and E-number.

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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