Zymology

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File:Wye Valley fermenter.jpg
Beer fermenting at a brewery

Zymology, also known as zymurgy,Template:Efn is an applied science that studies the biochemical process of fermentation and its practical uses. Common topics include the selection of fermenting yeast and bacteria species and their use in brewing, wine making, fermenting milk, and the making of other fermented foods.

Fermentation

Script error: No such module "Labelled list hatnote". Fermentation can be simply defined, in the context of brewing, as the conversion of sugar molecules into ethanol and carbon dioxide by yeast.

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Fermentation practices have led to the discovery of ample microbial and antimicrobial cultures on fermented foods and products.Template:SfnpTemplate:Sfnp

History

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French chemist Louis Pasteur was the first 'zymologist' when in 1857 he connected yeast to fermentation. Pasteur originally defined fermentation as "respiration without air".

Pasteur performed careful research and concluded:

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I am of the opinion that alcoholic fermentation never occurs without simultaneous organization, development and multiplication of cells … . If asked, in what consists the chemical act whereby the sugar is decomposed … I am completely ignorant of it.

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The German Eduard Buchner, winner of the 1907 Nobel Prize in chemistry, later determined that fermentation was actually caused by a yeast secretion, which he termed 'zymase'.

The research efforts undertaken by the Danish Carlsberg scientists greatly accelerated understanding of yeast and brewing. The Carlsberg scientists are generally acknowledgedScript error: No such module "Unsubst". as having jump-started the entire field of molecular biology.

Products

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Notes

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References

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Sources

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External links

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