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Boiling the wort with hops serves to

  • A.Introduce the yeast that will ferment the beer
  • B.Reduce the alcohol content of the finished beer
  • C.Extract bitterness and sterilise the wort at once
  • D.Convert the remaining starch into fermentable sugar

Answer: C

The boil isomerises the hop resins to give bitterness, drives off unwanted volatiles, coagulates protein and destroys the organisms present in the wort. Starch conversion happened earlier in the mash and no yeast is present until the wort has cooled.

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