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What happens to the sugar content of cabbage during sauerkraut fermentation?

  • A.It rises at first and then returns to its original level
  • B.It falls as the bacteria convert it into acid
  • C.It rises as the bacteria synthesise more of it
  • D.It stays constant while the acidity increases

Answer: B

Correct answer: It falls as the bacteria convert it into acid

The sugar is the substrate and the acid is the product, so as one falls the other rises. The fermentation ends when the sugar is exhausted, which is why the final acidity depends on how much sugar the cabbage contained - and why the cultivar and the season affect the result.

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