Wild/natural fermentation

Reads 2853 • Replies 35 • Started Tuesday, October 02, 2012 4:36:12 AM CT

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OldSock
12:20 Wed 10/3/2012

Originally posted by HornyDevil
Originally posted by OldSock
Plenty of other breweries add wine strains to unpasteurized beer, like Russian River, which can problems of its own if it is a killer strain (as RRs Rockpile is). Growing it will kill any ale yeast you pitch.


Will it kill Brett and bacteria as well?


No, luckily.

 
HornyDevil
13:03 Wed 10/3/2012

Originally posted by OldSock
Originally posted by HornyDevil
Originally posted by OldSock
Plenty of other breweries add wine strains to unpasteurized beer, like Russian River, which can problems of its own if it is a killer strain (as RRs Rockpile is). Growing it will kill any ale yeast you pitch.


Will it kill Brett and bacteria as well?


No, luckily.


Sweet.

 
CLevar
places 20 º 13:14 Wed 10/3/2012

Originally posted by OldSock
Originally posted by HornyDevil
Originally posted by OldSock
Plenty of other breweries add wine strains to unpasteurized beer, like Russian River, which can problems of its own if it is a killer strain (as RRs Rockpile is). Growing it will kill any ale yeast you pitch.


Will it kill Brett and bacteria as well?


No, luckily.


Kill? As in "produce something that will actively inhibit the growth of or is toxic to other organisms"?

 
OldSock
13:24 Wed 10/3/2012

Originally posted by CLevar
Originally posted by OldSock
Originally posted by HornyDevil
Originally posted by OldSock
Plenty of other breweries add wine strains to unpasteurized beer, like Russian River, which can problems of its own if it is a killer strain (as RRs Rockpile is). Growing it will kill any ale yeast you pitch.


Will it kill Brett and bacteria as well?


No, luckily.


Kill? As in "produce something that will actively inhibit the growth of or is toxic to other organisms"?



Yep: "The mitochondria of some yeast strains have the ability to produce a small 1100 MW protein that is guided through the cell wall and attaches itself to the cell wall of another strain of yeast disrupting the magnesium metabolism resulting in the death of the cell."

http://www.lalvinyeast.com/yeast_compet_rating.asp

 
CLevar
places 20 º 13:28 Wed 10/3/2012

Originally posted by OldSock
Originally posted by CLevar
Originally posted by OldSock
Originally posted by HornyDevil
Originally posted by OldSock
Plenty of other breweries add wine strains to unpasteurized beer, like Russian River, which can problems of its own if it is a killer strain (as RRs Rockpile is). Growing it will kill any ale yeast you pitch.


Will it kill Brett and bacteria as well?


No, luckily.


Kill? As in "produce something that will actively inhibit the growth of or is toxic to other organisms"?



Yep: "The mitochondria of some yeast strains have the ability to produce a small 1100 MW protein that is guided through the cell wall and attaches itself to the cell wall of another strain of yeast disrupting the magnesium metabolism resulting in the death of the cell."

http://www.lalvinyeast.com/yeast_compet_rating.asp


Science FTW! I was expecting it to just be a fast metabolism thing, but this is way cooler.

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