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Acid whey

Acid whey is the thin, tangy liquid left after acid coagulates milk, used in drinks, baking and other preparations rather than as concentrated whey.

Acid whey — illustrative ingredient image

About Acid whey

Acid whey is the liquid by-product left after milk is coagulated by acid, as in some fresh-cheese and strained-yogurt processes. It is a dairy ingredient and is distinct from sweet whey produced using rennet.

It is a thin, pale-yellowish liquid with a tangy taste. Its composition and culinary uses vary with the dairy product and separation process; it may be used in drinks, baking, or other food preparations. Concentrated or dried whey products are different forms from the liquid.

Ingredient type
whole food

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Where acid whey appears

0 linked foods

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Name examples awaiting language review. Confirm the specific food or product.

Local names for acid whey

Names and romanised forms to recognise on menus and labels.

English

Acid whey

English

Sour whey

Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.

Acid whey nutrition & diet

Acid whey nutritional value

Whey, acid, fluid

Per 100 g of the edible portion in the recorded USDA food form.

Calories
24kcal
Protein
0.8g
Carbs
5.1g
Fat
0.1g

Reference values for the displayed USDA form. Varieties, brands and preparation can differ.

Liquid acid whey, concentrated whey, and dried whey differ substantially in water content; the source dairy product and processing also affect comparisons.

Dietary compatibility

  • Vegan
    Not established
  • Vegetarian
    Not established
  • Pescatarian
    Not established
  • Keto
    Not established
  • Paleo
    Not established
  • Low-carb
    Not established
  • Halal
    Not established
  • Kosher
    Not 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.

Reviewed ingredient entryIngredient reference · Preparations vary

AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.

Sources & review

Nutrition reference: USDA FoodData Central — Whey, acid, fluid ↗. 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: .