active dry yeast
Active Dry Yeast
Dried baking yeast used to leaven bread doughs.

About Active Dry Yeast
Active dry yeast is a dried form of baker’s yeast used to leaven bread, rolls, pizza dough, and other raised baked goods. Mixed into dough, it ferments available sugars and releases carbon dioxide, which expands the dough during proofing and baking.
It has a faintly yeasty, earthy aroma and little noticeable flavour in a finished loaf when used in a balanced recipe. The dry granules are firm and slightly crumbly; once hydrated and incorporated, they disappear into the dough, while fermentation contributes aroma and a light, airy crumb.
Active dry yeast is sold as loose granules in packets, sachets, or jars. It may be mixed with flour or first stirred into warm liquid, depending on the product and recipe. Hydration, kneading, proofing, and baking transform the granules into risen bread.
- Ingredient type
- other
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Active Dry Yeast nutrition & diet
Active Dry Yeast nutritional value
Yeast, dried
Per 100 g of the edible portion in the stated food form.
- Calories
- 169kcal
- Protein
- 35.6g
- Carbs
- 3.5g
- Fat
- 1.5g
Reference values apply to the named food form, not every preparation, variety or brand. CoFID 2021 food code 17-379. Carbohydrate follows the dataset’s available-carbohydrate convention. Contains public sector information licensed under the Open Government Licence v3.0: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/.
Portions & preparation
Use active dry yeast as sold, distinguishing it from instant yeast, fresh compressed yeast, and nutritional yeast. The dry granules are usually incorporated into dough rather than eaten alone, so the finished bread or baked product—not just the leavening ingredient—determines the relevant portion and preparation context.
Compare the right form: Match references to active dry baker’s yeast granules, not instant, fresh compressed, brewer’s, or nutritional yeast.
Diet considerations
Active dry yeast is a microorganism-derived baking ingredient and is commonly used with wheat or other cereal flours. The yeast itself does not define the compatibility of the finished food; dairy, eggs, fats, sweeteners, coatings, and non-wheat cereal ingredients may be present in the dough or topping.
AI-authored reading notes · Awaiting editorial review. Measured values, where available, have a separate source above.
Dietary compatibility
- VeganNot established
- VegetarianNot established
- PescatarianNot established
- KetoNot established
- PaleoNot established
- Low-carbNot established
- HalalNot established
- KosherNot established
What these diet assessments mean
- Vegan · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Vegetarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Pescatarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Keto · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Paleo · Not established
- The ingredient form and processing have not been assessed against this dietary pattern.
- Low-carb · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Halal · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
- Kosher · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.
For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.
AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.
Sources & review
Nutrition reference: UK Composition of Foods Integrated Dataset (CoFID), 2021 — Yeast, dried ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.
Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.
The ingredient description and dish connections come from the draft catalogue and may change after review.
Last recorded verification: .