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Peptonized Milk

A milk product made by mixing pancreatic extract, baking soda, water, and fresh milk, then fermenting.

From an old cookbook · modernised transcription
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Peptonized Milk

Peptonized Milk

Ingredients

Directions

Prepare the mixture

  1. Stir pancreatic extract and baking soda into water until mixed thoroughly.

  2. Add fresh milk and mix well.

Incubate and chill

  1. Pour into a well-corked bottle.

  2. Place the bottle in a warm spot for 1 hour.

  3. Chill in the refrigerator before using.

  4. Make fresh daily.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Photo for illustrative purposes only · Contact us to use it

Explore the science

What each ingredient does

Fresh milk
Supplies the protein and fat that the enzymes break down during the warm rest.
Pancreatic extract
Provides enzymes that partly break milk proteins into smaller, more digestible peptides.

The step that matters

Place the bottle in a warm spot for 1 hour. Enzyme activity depends on temperature. Warmth speeds the breakdown of milk proteins, but overheating denatures the enzymes and stops the process, so the spot should be warm, not hot.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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