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📘 Yogurt begins as a milk mixture

Yogurt begins as a milk mixture

lessons

~10 min

to learn

🔬 Science

subject

Adults

level

Start the course →

What you’ll learn

The milk
The cultures
The temperature
The acid
The proteins
The set
The stir
The whey
Cooling
The transformation

Questions this course answers

What sugar do yogurt cultures ferment?

Lactose is the main sugar in milk and is converted to lactic acid.

Why is milk cooled before cultures are added?

The culture needs an incubation temperature rather than pasteurization heat.

What forms the yogurt gel?

Acid and heat change protein interactions so they form a network.

How is stirred yogurt made smooth?

Stirring breaks the gel and cooling slows further fermentation.

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