Is it ultra-processed?
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Is Tesco Fast Action Dried Yeast ultra-processed?

56g (8x7g) Sold in the United Kingdom, Ireland and Germany

Pack of Tesco Fast Action Dried Yeast

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
  • 3 additives
  • Nutri-Score A

Ingredients

Ultra-processing Processing signs are highlighted

Yeast 93%, Emulsifier (Sorbitan Monostearate), Flour Treatment Agents (Ascorbic Acid, Alpha-Amylase), Salt, Wheat Flour, Wheat Starch

Additives: E1100 Alpha-Amylase , E300 Ascorbic acid , E491 Sorbitan monostearate

As written on the pack

Dried Yeast (93%), Emulsifier (Sorbitan Monostearate), Flour Treatment Agents (Ascorbic Acid, Alpha-Amylase), Salt, Wheat Flour, Wheat Starch.

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.

  • E491 Sorbitan monostearate 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.
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.
  • Starch Starch extracted from cereals or potatoes, used to thicken.

How the NOVA groups work

About this information

  • Data from this product on Open Food Facts (barcode 5051790493904, last edited 25 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 A (from A, best, to E).
  • General information, not medical or dietary advice. Check the pack if you have an allergy.