what is fermentation
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Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes.
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Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen.
Types of fermentation
- Lactic acid fermentation. Yeast strains and bacteria convert starches or sugars into lactic acid, requiring no heat in preparation. ...
- Ethanol fermentation/alcohol fermentation. ...
- Acetic acid fermentation.
What causes fermentation?
In 1857, Pasteur showed that lactic acid fermentation is caused by living organisms. ... From that time on, the term enzyme came to be applied to all ferments. It was then understood that fermentation is caused by enzymes that are produced by microorganisms.
Does fermentation kill bacteria?
Fermentation bacteria are anaerobic, but use organic molecules as their final electron acceptor to produce fermentation end-products. ... The process of heating, now called pasteurization in his honor, is still used to kill bacteria in some alcoholic beverages, as well as milk.
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