Is it ultra-processed?
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Is Tesco British Chunky Oven Chips ultra-processed?

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Pack of Tesco British Chunky Oven Chips

Yes, it's ultra-processed

  1. 1 Unprocessed
  2. 2 Kitchen staple
  3. 3 Processed
  4. 4 Ultra-processed

Signs of ultra-processing in its ingredients:

  • 9 ingredients
  • No additives
  • Nutri-Score C

Ingredients

Ultra-processing Processing signs are highlighted

Maris Piper Potato 89%, Wheat Flour, Vegetable Oils, Sunflower Oil, Rapeseed O Maize Flour, Rice Flour, Salt, Dextrose, Black Pepper Extract

As written on the pack

Maris Piper Potato (89%), Wheat Flour, Vegetable Oils [Sunflower Oil, Rapeseed O Maize Flour, Rice Flour, Salt, Dextrose, Black Pepper Extract. Allergy Advice

What makes it ultra-processed

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.

  • Dextrose Dextrose is pure glucose crystallised from starch-derived syrup.
  • Glucose Glucose, usually listed as glucose syrup, is cheap, keeps products moist and stops sugar from crystallising.
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.
  • Vegetable oil Vegetable oils are pressed or extracted from seeds, nuts and fruits.

How the NOVA groups work

About this information

  • Data from this product on Open Food Facts (barcode 5059697770395, last edited 27 March 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 C (from A, best, to E).
  • General information, not medical or dietary advice. Check the pack if you have an allergy.