Other Free Encyclopedias » Science Encyclopedia » Science & Philosophy: A-series and B-series to Ballistic Missiles - Categories Of Ballistic Missile » Bacteria - Characteristics Of Bacteria, Bacterial Growth, Physical And Chemical Requirements For Bacterial Growth, The Role Of Bacteria In Fermentation - Aerobic and anaerobic bacteria

Bacteria - The Role Of Bacteria In Fermentation

acid pasteur produce wine

Fermentation bacteria are anaerobic, but use organic molecules as their final electron acceptor to produce fermentation end-products. Streptococcus, Lactobacillus, and Bacillus, for example, produce lactic acid, while Escherichia and Salmonella produce ethanol, lactic acid, succinic acid, acetic acid, CO2, and H2.

Fermenting bacteria have characteristic sugar fermentation patterns, i.e., they can metabolize some sugars but not others. For example, Neisseria meningitidis ferments glucose and maltose, but not sucrose and lactose, while Neisseria gonorrhoea ferments glucose, but not maltose, sucrose or lactose. Such fermentation patterns can be used to identify and classify bacteria.

During the 1860s, the French microbiologist Louis Pasteur studied fermenting bacteria. He demonstrated that fermenting bacteria could contaminate wine and beer during manufacturing, turning the alcohol produced by yeast into acetic acid (vinegar). Pasteur also showed that heating the beer and wine to kill the bacteria preserved the flavor of these beverages. The process of heating, now called pasteurization in his honor, is still used to kill bacteria in some alcoholic beverages, as well as milk.

Pasteur described the spoilage by bacteria of alcohol during fermentation as being a "disease" of wine and beer. His work was thus vital to the later idea that human diseases could also be caused by microorganisms, and that heating can destroy them.


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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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over 7 years ago

Ahh in response to previous comment.

My mistake.

From wikipedia...I gather that the organic compound does lose its electron(s) but the acceptor is some endogenous (within the cell) organic compound as well.


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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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almost 6 years ago

dis one ws quite helpful thanx...........

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over 6 years ago

Thank you for this information,but still i need more information about the role of microbes in current fermentation technology

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about 6 years ago

very helpful.thanks

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over 2 years ago

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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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about 6 years ago

very helpful.thanks

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over 9 years ago

Thank you for this beneficial informations but still I have questions..

Can you give some information about the fermantation process of Bacillus Subtilis and E.Coli ? Which sugars are fermented by them?



Zeynep

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almost 2 years ago

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almost 5 years ago

6Add equal parts sugar and fresh fruit. You have just successfully finished fermenting fruit.

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over 7 years ago

Aren't the organic molecules the donors of electrons rather than the acceptors?

I thought NAD+ was the acceptor, and that fermentation is the oxidation (ie. loss of electron) of organic molecules.

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over 3 years ago

useful information

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over 4 years ago

This is such a great resource that you are providing and you give it away for free. Keep it up of your great work.
plagiarismchecker

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over 4 years ago

I run a company that operates Gardening Services Derby and this blog has been very helpful. Thanks

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over 4 years ago

really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please
regards
sinar fm

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over 4 years ago

hey my name is quanesha draines and i wanted to know what is the process of fermentation by bacteria?



p.s thank you very much

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almost 10 years ago

really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please thank you sally

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over 1 year ago

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over 1 year ago

It reall helps i like the last one it is so big

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over 1 year ago

Thanks

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almost 2 years ago

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over 2 years ago

derp why bot why

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over 2 years ago

http://science.jrank.org/pages/710/Bacteria-role-bacteria-in-fermentation.html

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over 4 years ago

ngjkehnfgk

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almost 5 years ago

really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please thank you AV Singh.

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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

Vote down Vote up

almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

Vote down Vote up

almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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almost 5 years ago

Thank you really it is very very good article about using of bacteria in frementation but i need more information about this subject can u send me please specially in wine fermentation. Thank you AV Singh.

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about 5 years ago

Bacteria - The Role Of Bacteria In Fermentation

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over 5 years ago

this is a load of dog ahit called alex gayder

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over 5 years ago

a

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over 5 years ago

a

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over 5 years ago

a

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about 1 year ago

pliz show clearly roles of microorganisms in fermentation.