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09/13/06 06:53 PM  
Saccharomyces Boulardii
Just a curious question, maybe for the microbiologically hip here in the crowd like Al B . . . .

I ran into a live yeast product in an organic supermarket lately called Saccharomyces Boulardii, sold as a health product for digestive issues. The information out there indicates that it is a sub-species of S. Cerevisiae, so of course my thoughts began to wander towards . . .

Anybody familiar with this or ever tried brewing with it?

Al B
09/14/06 07:30 AM  
Re: Saccharomyces Boulardii
Interesting. No, I haven't heard about this subspecies before. Yeah, alot of stuff about this as a probiotic.

I've dabbled with the sherry yeast - Sacch. fermentati and of course there's Sacch. bayanus too.

Hmmmm, drink to yer health with probiotic brew!

09/16/06 10:52 PM  
Re: Saccharomyces Boulardii
I came up with this, here is the jist of their study,

"The S. boulardii isolates were tested for their abilities to ferment galactose, maltose, and raffinose and for their abilities to grow on minimal medium with dextrose"


"The commercial strains of S. boulardii available to us could not be distinguished by the typing methods used in this study. The results of the present study show that these strains are asporogenous subtypes within the circumscription of S. cerevisiae and are not representatives of a separate species."

Sounds like it might be an interesting 1 gallon experiment to me, but probably not too much more.

09/17/06 09:46 AM  
Re: Saccharomyces Boulardii
Erik, a supermarket is such an odd place to find such a thing. The only yeasts I've ever seen in supermarkets are dried. Was this a dried packet?
09/18/06 07:02 PM  
Re: Saccharomyces Boulardii
Well, Steve, you know how it goes with curiosity and brewing . . .

In brief, there's an organic supermarket near me that I hit from time to time for interesting sugars (sucanat, molasses, agave) and fresh whole spices or organic fruits and juices as brewing ingredients. Anyhow, I found the Saccharomyces Boulardii among the dietary supplements - it's used as an anti-diarrheal and for other digestive issues. Reading that it was a sub-species of S. Cerevisiae just piqued my interest. . . .

FWIW, it's sold in dried form in edible capsules, like many medicines or supplements. Digests raffinose, eh? Must really be lager yeast, then. Yeah, I think I'll keep this around for when I have some extra fermentables, just to try it for kicks.

09/18/06 09:52 PM  
Re: Saccharomyces Boulardii
Wow, we really do live in a new age of brewing. Dry packets of brettanomyces, that is awesome! Erik, I really look forward to you playing with this, I would love to know how it works.
09/19/06 09:36 AM  
Re: Saccharomyces Boulardii
Hey, Steve - I hope I didn't misrepresent this. . it is billed as a sub-species of regualar Saccharomyces Cerevisiae (unfortunately), not Brett . . .
09/19/06 09:48 AM  
Re: Saccharomyces Boulardii
Oh man, how'd I get that in my head?? Sorry Erik, I'm so attuned to brett stuff now-a-days I guess I see it everywhere! Nah, you called it Saccharomyces all the way, I saw what I wanted to see. All better now!
09/19/06 12:08 PM  
Re: Saccharomyces Boulardii
SteveG--Mr BBB (Brett Blocked Brain)

It's good to have a focus in your life.

09/19/06 12:40 PM  
Re: Saccharomyces Boulardii
At least I havn't changed my name yet ... though I was thinking of "Brett"!
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