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 Post subject: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 12:06 pm 
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Joined: Thu Dec 18, 2008 1:03 am
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Location: Portland, OR
All,

During the course of my move to Portland, HP (our sourdough starter) is liable to go for 4-6 weeks without a recycle, which is too long. Given that, I'd like to preserve him for the move.

I've done some googling and I see two pieces of advice: 1. freeze and 2. dry. Advocates of the drying camp say that freezing won't work. However, given that it is currently 90% humidity in SF, I'm not sure that drying would work.

Has anyone frozen/dried your sourdough starter? How did it work out?

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 12:20 pm 
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Location: Portland, OR
Related to this, apparently Stockholm has a "sourdough kennel" you can take your starter to while you go on vacation:

http://www.virtuousbread.com/bread-and- ... nk-not-us/

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 4:50 pm 
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I have done both successfully. Maybe try both, and do your own experiment?

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 6:31 pm 
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Joined: Sun Oct 21, 2012 8:51 am
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Location: W. Montana
Is oven-drying not an option?


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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 7:52 pm 
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I've found freezing works ok. Remember, after a month or so your starter will change flavors to reflect the local yeasts.


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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sat Dec 12, 2015 11:20 pm 
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Linda wrote:
Is oven-drying not an option?

Even the low temp (130º) my pilot light keeps the oven at would kill most yeast, and sourdough, I understand, is even more sensitive.

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sun Dec 13, 2015 12:50 am 
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For us, oven-drying wouldn't work unless we turned the oven on, at which point it would be too hot.

We could, however, put it in front of the dehumidifier.

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sun Dec 13, 2015 4:53 am 
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Location: Regina, Saskatchewan, Canada
Try a dehydrator for some of it, this should not kill the yeast. I agree with Becky and in my experience, your yeast will change to the local bugs, regardless. :(


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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Sun Dec 13, 2015 12:19 pm 
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Wino,

Yeah, we've already seen this; with the prior culture, we used it three times in a row in another state a while back, and the flavor changed. However, HP is a strong culture, so I'm hoping he'll hold out for a while.

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 Post subject: Re: Preserving Sourdough: freeze vs. dry?
PostPosted: Mon Dec 14, 2015 11:47 am 
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Location: Winchester, MA
Why don't you do both?

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