Q. Which microorganism help in fermentation?
Solution:
- Fermentation bacteria are anaerobic, but use organic molecules as their final electron acceptor to produce fermentation end-products.
- During fermentation, yeast cells convert cereal-derived sugars into ethanol and CO 2 .
- At the same time, hundreds of secondary metabolites that influence the aroma and taste of beer are produced.
- Variation in these metabolites across different yeast strains is what allows yeast to so uniquely influence beer flavor .
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