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The alcoholic fermentation of grape must is carried out principally by

  • A.Saccharomyces cerevisiae
  • B.Oenococcus oeni
  • C.Acetobacter aceti
  • D.Lactobacillus plantarum

Answer: A

Saccharomyces cerevisiae converts the sugars of the must to ethanol and carbon dioxide and tolerates the alcohol it produces better than its competitors. Oenococcus carries out the separate malolactic step, while Acetobacter and Lactobacillus are spoilage organisms in wine.

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