Question

Why is lactobacillus used in yogurt?

Answer 1

The bacteria used in making yoghurt are Lactobacillus bacteria. Milk contains a sugar called lactose. The bacteria are able to break this down to form lactic acid.

Answer 2

Answer:

The main (starter) cultures in yogurt are Lactobacillus bulgaricus and Streptococcus thermophilus. The function of the starter cultures is to ferment lactose (milk sugar) to produce lactic acid.

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