Is Tesco Prawn Mayo on Malted Bread ultra-processed?
Yes, it's ultra-processed
- 1 Unprocessed
- 2 Kitchen staple
- 3 Processed
- 4 Ultra-processed
Signs of ultra-processing in its ingredients:
- Emulsifier
- Gluten
- E471 Mono- and diglycerides of fatty acids
- E472e Mono- and diacetyltartaric acid esters of mono- and diglycerides of fatty acids
- 28 ingredients
- 3 additives
- Nutri-Score E
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Ingredients
Ultra-processing Processing
Prawn, Wheat Flour (Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin), Water, Rapeseed Oil, Malted Wheat Flakes, Wheat Bran, Pasteurised Egg Yolk, Cornflour, White Wine Vinegar, Salt (processing marker), Wheat Gluten (ultra-processing marker), Malted Barley Flour, Yeast, Emulsifiers (ultra-processing marker) (mono- and DiGlycerides of Fatty Acids (ultra-processing marker), mono- and DiAcetyl Tartaric Acid Esters of mono- and DiGlycerides of Fatty Acids (ultra-processing marker)), Spirit Vinegar, Malted Wheat Flour, Mustard, Black Pepper, Flour Treatment Agent (Ascorbic Acid), Palm Oil
Additives: E300 Ascorbic acid , E471 Mono- and diglycerides of fatty acids , E472e Mono- and diacetyltartaric acid esters of mono- and diglycerides of fatty acids
As written on the pack
Prawn (Crustacean) (41%), Wheat Flour [Wheat Flour, Calcium Carbonate, Iron, Niacin, Thiamin], Water, Rapeseed Oil, Malted Wheat Flakes, Wheat Bran, Pasteurised Egg Yolk, Cornflour, White Wine Vinegar, Salt, Wheat Gluten, Malted Barley Flour, Yeast, Emulsifiers (Mono - and Di-Glycerides of Fatty Acids, Mono - and Di-Acetyl Tartaric Acid Esters of Mono - and Di-Glycerides of Fatty Acids), Spirit Vinegar, Malted Wheat Flour, Mustard Flour, Black Pepper, Flour Treatment Agent (Ascorbic Acid), Palm Oil.
What makes it ultra-processed
Cosmetic additives
Added to change how the food looks, feels or tastes, not to keep it safe. A hallmark of ultra-processed food.
- E471 Mono- and diglycerides of fatty acids Mono- and diglycerides of fatty acids are made from fats and glycerol.
- E472e Mono- and diacetyltartaric acid esters of mono- and diglycerides of fatty acids Emulsifiers are substances which make it possible to form or maintain a homogenous mixture of two or more immiscible phases such as oil and water in a foodstuff.
- Emulsifier Emulsifiers keep fat and water from separating, giving products a smooth, stable texture over a long shelf life.
Substances rarely used in home kitchens
Refined or extracted in factories, such as syrups made from starch or isolated proteins. The other hallmark of ultra-processed food.
- Gluten Wheat gluten, sold as "vital wheat gluten", is the protein washed out of wheat flour.
2 ingredients that would only make it processed
Kitchen staples like sugar, salt and oil. On their own they make a food processed, not ultra-processed.
- Salt Salt, added for taste and preservation.
- Sandwiches Products in the category "Sandwiches" are at least group 3.
Among 18 club sandwiches
From least to most processed, this one ranks 7th. 100% of the club sandwiches here are ultra-processed.
About this information
- Data from this product on Open Food Facts (barcode 03055533, last edited 21 June 2026), available under the Open Database License. If something is wrong or the recipe has changed, you can correct it there.
- Photo: Open Food Facts contributors, CC BY-SA 3.0.
- The NOVA group is an automated estimate from crowdsourced data: a missing or mistyped ingredient can change it.
- NOVA measures processing, not nutrition. For nutrition, Open Food Facts gives this product a Nutri-Score of E (from A, best, to E).
- General information, not medical or dietary advice. Check the pack if you have an allergy.