New Giveaway - Wort Monster Conical Fermenter!

Home Brew Forums > Home Brewing Beer > General Beer Discussion > Harvesting yeast question




Reply
 
LinkBack Thread Tools Display Modes
Old 01-14-2013, 09:39 PM   #1
Big_Cat
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
Big_Cat's Avatar
Recipes 
 
Join Date: Sep 2012
Location: Aventura, Florida
Posts: 430
Liked 18 Times on 17 Posts
Likes Given: 76

Default Harvesting yeast question

Many here keep stating that you can only wash yeast and use it a maximum of five time or risk getting off flavors and mutated yeast but i just finished watching a documentary on the Budweiser factory and one of the master brewers stated that their yeast strand are of the original yeast . What led me to believe that they.harvest and care for their yeast for years and years... Now to my question.... Why do some here state that to only use it 5 times? Or is.it that someone who worked at a yeast distributor started the myth to ensure people kept buying ?



__________________
Big_Cat is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 09:44 PM   #2
Ben58
Member
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
Ben58's Avatar
Recipes 
 
Join Date: Aug 2011
Location: Hamilton, Ontario
Posts: 210
Liked 11 Times on 7 Posts
Likes Given: 21

Default

It is quite likely they have the dedicated staff and equipment to do the harvesting, where as we don't.



__________________
Ben58 is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 10:03 PM   #3
sweetcell
Swollen Member
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
sweetcell's Avatar
Recipes 
 
Join Date: Jan 2012
Location: Rockville, MD
Posts: 3,675
Liked 530 Times on 396 Posts
Likes Given: 217

Default

you're talking about 2 different things.

when homebrewers wash yeast, they are re-using the same cells.

the commercial breweries use yeast banks. they "bank" the original strain, freeze it, and propagate from that. they do re-use the same batch of yeast, but after a few generations they will dump it and go back to the original source and get a refresh. it's a little more complicated than that, but that's the general idea - they go back to the source. as Ben58 mentioned, having dedicated labs techs (or a yeast management company) makes this a lot easier.

__________________
.
What hops should I grow? Hop grower's comparison table

Drinking: a chocolate oatmeal stout, a belgian imperial stout, a Vertical Epic 09.09.09 clone
Fermenting: a split-batch belgian blond/saison
Aging: an oud bruin, a BDSA/Dubbel thingy, a soured Saison, my "Wild Oats" brett/sour, and some other stuff i can't think of at the moment...
Up next: who knows. maybe providing links to recipes for the above beers.
sweetcell is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 10:37 PM   #4
Braufessor
HBT_SUPPORTER.png
Feedback Score: 3 reviews
 
Braufessor's Avatar
Recipes 
 
Join Date: Dec 2011
Location: NE Iowa, Iowa
Posts: 1,330
Liked 286 Times on 203 Posts
Likes Given: 207

Default

+1^^^

They probably have a staff/facility/budget just for "yeast" that exceeds the ENTIRE facility/staff/budget of any microbrewery in America. . . . . .

Much less homebrewer.

__________________
Braufessor is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 10:44 PM   #5
Big_Cat
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
Big_Cat's Avatar
Recipes 
 
Join Date: Sep 2012
Location: Aventura, Florida
Posts: 430
Liked 18 Times on 17 Posts
Likes Given: 76

Default

So with all this said...Is it possible to care for and basically baby your yeast so that it last way longer than 5 times?

__________________
Big_Cat is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 10:57 PM   #6
AgentHubcap
HBT_SUPPORTER.png
Feedback Score: 0 reviews
Recipes 
 
Join Date: Dec 2011
Location: Hillsboro, Oregon
Posts: 448
Liked 26 Times on 22 Posts
Likes Given: 22

Default

Quote:
Originally Posted by Big_Cat View Post
So with all this said...Is it possible to care for and basically baby your yeast so that it last way longer than 5 times?
Yes, you can, but you probably won't know when it starts to mutate on you. I know some people on here go much farther than 5 times. I normally go 3 times (or so).
__________________

Primary #1: Samsquanch RIS
Primary #2: Nuclear Hippo
On Deck: ???
On Tap: SWMBO's Cranberry Raspberry Cider, 1880, The Gentleman, Falconer's Flight SMaSH, Nelson Sauvin SMaSH

AgentHubcap is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 11:23 PM   #7
phenry
Feedback Score: 0 reviews
Recipes 
 
Join Date: Feb 2011
Location: Clemson, SC
Posts: 1,211
Liked 113 Times on 71 Posts
Likes Given: 21

Default

Quote:
Originally Posted by Big_Cat
So with all this said...Is it possible to care for and basically baby your yeast so that it last way longer than 5 times?
Make a streak plate of whatever strain you want, then go back to that to start a new culture after every five or so batches. That's what I understand they do in industry for house strains.
__________________
Primary: empty
Aging: BDSA 2
Lagering: empty
Bottled: RIS ; RIS 2 ; BDSA ; Tripel 3 ; English IPA 1 ; Session IPA 2 ; Saison 9 ; Singel 2 ; Porter 2
Kegged: empty
phenry is offline
 
Reply With Quote Quick reply to this message
Old 01-14-2013, 11:34 PM   #8
kh54s10
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2011
Location: Tiverton, Rhode Island
Posts: 5,949
Liked 483 Times on 408 Posts
Likes Given: 129

Default

When I get a new yeast strain I make a starter that is larger than needed. I then make 4 vials from that with 5ml yeast, 5ml glycerin and 10ml water. I freeze these. If I were to make 4 more each time I used it for 4 generations I could make 256 brews from the original vial. Since I brew maybe twice a month and use many different yeasts it is doubtful that I will use any single yeast 256 times. I have 8 different strains in my yeast bank so far.

__________________
kh54s10 is offline
 
Reply With Quote Quick reply to this message
Old 01-15-2013, 12:03 AM   #9
thrstyunderwater
Feedback Score: 0 reviews
Recipes 
 
Join Date: Oct 2009
Location: Logan, UT
Posts: 414
Liked 2 Times on 2 Posts

Default

Quote:
Originally Posted by kh54s10 View Post
When I get a new yeast strain I make a starter that is larger than needed. I then make 4 vials from that with 5ml yeast, 5ml glycerin and 10ml water. I freeze these. If I were to make 4 more each time I used it for 4 generations I could make 256 brews from the original vial. Since I brew maybe twice a month and use many different yeasts it is doubtful that I will use any single yeast 256 times. I have 8 different strains in my yeast bank so far.
Do you care to post anymore on this or can you point me to another source? I'd love to be freezing yeast but haven't ever found a source on how to properly use the glycerin.
__________________
thrstyunderwater is offline
 
Reply With Quote Quick reply to this message
Old 01-15-2013, 12:23 AM   #10
Big_Cat
HBT_SUPPORTER.png
Feedback Score: 0 reviews
 
Big_Cat's Avatar
Recipes 
 
Join Date: Sep 2012
Location: Aventura, Florida
Posts: 430
Liked 18 Times on 17 Posts
Likes Given: 76

Default

Quote:
Originally Posted by thrstyunderwater View Post

Do you care to post anymore on this or can you point me to another source? I'd love to be freezing yeast but haven't ever found a source on how to properly use the glycerin.
I'm interested as well...yeast washing..harvesting ..freezing ...all comes down to savings and i love to save money


__________________
Big_Cat is offline
 
Reply With Quote Quick reply to this message
Reply


Quick Reply
Message:
Options
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Harvesting yeast question Dutch218 General Techniques 9 12-21-2012 01:56 AM
yeast harvesting question AleFred Beginners Beer Brewing Forum 5 08-22-2011 07:00 PM
Another Yeast Harvesting Question...Trappist Yeast This Time kjung Fermentation & Yeast 1 02-15-2010 06:24 PM
Harvesting yeast question fritz_monroe Beginners Beer Brewing Forum 11 06-12-2007 04:49 AM
Yeast Harvesting Question KopyKat General Techniques 1 03-01-2006 09:22 PM