Declared allergens
This product declares Egg, Gluten, Mustard, Soy.
Declared on pack via Open Food Facts · updated 2 Apr 2026
Egg mayonnaise sandwich
Greenveil's read: consider avoiding. Food health high · 1 additive of concern (Calcium propionate).
- High
Allergens
- Egg
- Gluten
- Mustard
- Soy
Declared on pack via Open Food Facts · updated 2 Apr 2026
Why it's rated this way
1 additive on this label is on our additives-of-concern list.
Calcium propionateMinor concernPropionate preservatives have been associated in limited studies with behavioural/irritability effects in children and with migraine in sensitive individuals; evidence is weak.
- What it is
- Its role isn't recorded in our data yet.
- Why it's flagged
- Propionate preservatives have been associated in limited studies with behavioural/irritability effects in children and with migraine in sensitive individuals; evidence is weak.
- Regulatory basis
- Greenveil's curated additives-of-concern list, which cites the authority behind each entry.
- How sure we are
- High confidence. Matched by the additive code declared on the label.
Ingredients
- White Bread45%No flag
- Fortified WHEAT Flour22.5%No flag
- Calcium Carbonate · E170i5.6%No flag
- Niacin · E3751.4%No flag
- Preservative0.2%No flag
- Calcium Propionate · E2820.2%Low
Propionate preservatives have been associated in limited studies with behavioural/irritability effects in children and with migraine in sensitive individuals; evidence is weak.
- Emulsifier<0.1%No flag
- Mono- and Diacetyl Tartaric Acid Esters of mono- and Diglycerides of Fatty Acids · E472e<0.1%No flag
- Flour Treatment Agent<0.1%No flag
- Ascorbic Acid · E300<0.1%No flag
- Egg Mayonnaise49%No flag
- Free Range Hard Boiled EGG Mayonnaise24.5%No flag
- Liquid EGG12.3%No flag
- Acetic Acid · E2600.8%No flag
- Spice Emulsifiers1.5%No flag
- Xanthan Gum · E4151.5%No flag
- Guar Cum0.8%No flag
- Mayonnaise0.8%No flag
- Liquid EGG0.4%No flag
- Acetic Acid · E260<0.1%No flag
- EmulsifiersNo flag
- Xanthan Gum · E415No flag
- Guar Gum · E412No flag
Show original label text
White Bread (45%) [Fortified WHEAT Flour (WHEAT Flour, Calcium Carbonate, Iron, Niacin, Thiamin). Water, Yeast, Vinegar, Salt, SOYA Flour, Rapeseed Oil, Preservative: Calcium Propionate, Emulsifier: Mono - and Diacetyl Tartaric Acid Esters of Mono - and Diglycerides of Fatty Acids, Flour Treatment Agent: Ascorbic Acid]. Egg Mayonnaise (49%) [Free Range Hard Boiled EGG Mayonnaise (Pasteurised Liquid EGG, Water, Sugar, Vinegar [Acetic Acid, Water], Salt, [MUSTARD], Spice Emulsifiers: Xanthan Gum, Guar Cum)]. Mayonnaise (6%) [Pasteurised Liquid EGG, Water, Sugar, Vinegar (Acetic Acid, Water), Salt, Spice (MUSTARD). Emulsifiers: Xanthan Gum, Guar Gum].
Alerts
Food health
Nutrition profile and additives of concern
Contains additive of concern
- Calcium propionatePropionate preservatives have been associated in limited studies with behavioural/irritability effects in children and with migraine in sensitive individuals; evidence is weak.
Alternatives
No lower-concern alternatives are available for this product yet.
Trust & sources
Where this product data comes from
How we assembled this record: source coverage, image cache state, review state, and the active product version.
Trust & sources
Where this product data comes from
How we assembled this record: source coverage, image cache state, review state, and the active product version.
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Asset write on fetch
Ingredient content
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