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Which one of the following combinations ...

Which one of the following combinations of organisms are responsible for the formation and flavour of yoghurt

A

Lactobacillus bulgaricus and streptococcus thermophilus

B

Rhizobium melioti and Aztobactor

C

Bacillus subtillis and Escherichia coli

D

Bacillus megathermus and Xanthomonas species

Text Solution

Verified by Experts

The correct Answer is:
A
Yoghut (yogurt) is produced by curdling milk with the help of Streptococcus thermophillus and Lactobacillus bulgaricus. The temperature is maintained at about `45^(@)C (40^(@) - 60^(@)C)` for four hours. It has a flavour of lactic acid and acetaldehyde.
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