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Cold fermentation: An alternative for heat straw pasteurization


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#1 Seeker2be

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Posted 19 January 2014 - 09:21 AM

I was reading the radical mycology zine about mushroom cultivation and Peter McCoy talked about Cold fermentation: soaking hay for a week submerged in water to allow the anerobes to proliferate and eat the aerobes then removing the straw from the water allowing the aerobes to die then using the straw as substrate.  This is supposed to save all the energy, and fuss from heat pasteurization.  Any experience with this and how bout doing the same with Horsey Poo?


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#2 roscoe

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Posted 19 January 2014 - 01:00 PM

This is an interesting concept.

 

From reading up on and participating in lacto fermentation of food what you are saying rings true.

 

I guess the only thing to do would be to try it out? 

 

Oysters would be my first choice for an experiment, given their ease of cultivation and speed with which they colonize a substrate.

 

If oysters work on straw done this way I would be inclined to think that maybe you could do the same with an aggressive cube isolate. 

 

And if that is successful then fermenting finely shredded Straw with some H-poo would be a logical next step.


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#3 KaptinKulture

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Posted 19 January 2014 - 04:22 PM

bump this is something I would like to know more about.



#4 roscoe

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Posted 19 January 2014 - 05:07 PM

Do you have a link to the cold fermentation article you are talking about?



#5 Seeker2be

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Posted 19 January 2014 - 10:01 PM

I appreciate your insights cyclonaut and Kaptin .  What you are saying I am thinking is true.  Google the Radical Mycology site and download the Mushroom Cultivation for remediation Zene.  It and the Radical mycology zene are free and full of useful information.  I am going to the Radical Mycology  Peter McCoy's course next week in Portland. If you have any questions let me know and I will ask him.  I will start the straw in the rainwater this week so it will soak for a week and when I come back take out my oyster spawn as well and cubensis spawn and try the method simultaneously with both, take pictures and let you know.  It would be nice not to have to boil for 2 hours or so and waste fuel if this will work instead. Seeker2be


Edited by Seeker2be, 19 January 2014 - 10:02 PM.

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#6 roscoe

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Posted 19 January 2014 - 10:19 PM

Might be stating the obvious but...

 

You should make sure to keep ALL of the straw submerged,  anything above the water will mold pretty quickly.

 

Thank you I will check those downloads out.



#7 Seeker2be

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Posted 19 January 2014 - 10:40 PM

I have a 50 gallon trash can full of rain water and will keep it submerged . Thanks for the reminder


Edited by Seeker2be, 19 January 2014 - 10:50 PM.

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#8 Seeker2be

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Posted 05 February 2014 - 03:45 PM

IMG_3085.JPG
blue oyster spawn.JPG
blue_oyster_substrate_edit.jpg

 

 

OK so I put a rock in a pillow case filled with cut  straw.  For 12 days it was submerged in a rain barrel filled with water.  Today I hung it up for 2 hours to drain to field capacity.   I mixed  in one container with straw and Brazil P. cube spawn and another container with Blue Oyster spawn,( stored in fridge for 2 month+) and straw.  If this works it would  save a lot of boiling energy, hassle and mess.  Pictures will follow the process. We shall see

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Edited by Seeker2be, 05 February 2014 - 03:53 PM.

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#9 roscoe

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Posted 05 February 2014 - 05:00 PM

How did the straw smell when you pulled it out of the water?



#10 Seeker2be

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Posted 05 February 2014 - 05:02 PM

Since it was anaerobic metabolism it stunk but after hanging it for 2 hours on a hook to drip it didn't smell, at least to me. It didn't smell when I mixed it with the spawn and brought it inside for substrate colonization. Obviously this is an outside job......


Edited by Seeker2be, 05 February 2014 - 05:03 PM.

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#11 roscoe

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Posted 05 February 2014 - 05:46 PM

I'm just wondering if it smells like any of my fermented veggies, which can sometimes smell of old garbage or sour funk nasties.


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#12 Seeker2be

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Posted 05 February 2014 - 05:51 PM

Yes, the smell is like garbage, but  I make sauerkraut and kim chi as per Sander Katz (Wild Fermentaton) which is the same odor  but when exposed to the air the anaerobes die and the fumes are out gassed and to me it doesn't smell and is now indoors.  No problem.


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#13 roscoe

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Posted 05 February 2014 - 05:57 PM

Ah yeah Sandor's book is an awesome resource. 

 

I have to admit I'm a little giddy to hear you say it has a similar smell.  This sounds VERY promising!

 

I am making up a batch of red cabbage kimchi now, just waiting for the cabbage to wilt a bit.  :ph34r:



#14 KaptinKulture

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Posted 05 February 2014 - 10:26 PM

I think this will become the new stranded for those who are together enough to be two weeks ahead of their spawn. I am getting ready to start my own project now.  Thanks so much for the info.


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#15 Seeker2be

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Posted 05 February 2014 - 10:34 PM

The proof is in the pudding.  This is a side by side tek with blue oyster and Brazil cubes. Pictures as noted will follow IF it works.


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#16 Seeker2be

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Posted 10 February 2014 - 10:32 PM

OK day three of cold pasturization processed straw spawning:  P. Cube and P. OysterIMG_3101.JPG IMG_3102.JPG


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#17 roscoe

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Posted 11 February 2014 - 10:14 PM

BUMP!

 

Wow looking good Seeker.

 

I wonder if anyone is paying attention to this?

 

They should be.



#18 hyphaenation

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Posted 11 February 2014 - 10:49 PM

Cool stuff.

 

What did you spawn the straw with again ?



#19 Seeker2be

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Posted 11 February 2014 - 11:19 PM

Brazil cubensis and a comparison with Blue Oyster were the two species I used.  I figured that each produces its own antivirals, antifungals, and antibiotics so if contamination took place I could say that this didn't work for one or the other or both.

 

I believe if this simplistic Cold Pasturation  tek really works it could save a lot of mess and energy from the common method of boiling in pillow case or cage in big drum even for the big producer.... as someone said as long as you planned a week ahead. 


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#20 hyphaenation

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Posted 11 February 2014 - 11:23 PM

What did you spawn the straw with again ?

 

 

 

I meant what did you use to inoculate the straw with ... like did you use colonized grain like WBS?






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