What is the main reason cheese making starters are often difficult to substitute compared to yogurt starters?

Answer

Cheese cultures are designed to produce specific enzymes crucial for aging and texture.

Specific cheese cultures are designed not only to acidify the milk but also to produce particular enzymes and flavor compounds that are crucial for the aging process and final texture development.

What is the main reason cheese making starters are often difficult to substitute compared to yogurt starters?
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