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Amazon Shop: ½ Pint Jars, Pressure Cooker, Rye Grain

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Offlineblackout
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Can rye grain be sterilized at 95C if held at that temp for weeks?
    #4126631 - 05/03/05 07:12 AM (13 years, 27 days ago)

Can rye grain be sterilized at 95C if held at that temp for weeks? I could pop jars in a water boiler which is never turned off.


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InvisibleDiploidM
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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: blackout]
    #4126706 - 05/03/05 08:34 AM (13 years, 27 days ago)

That would cook the crap out of the grain and probably break down many of the nutrients. You'd end up with mush instead of grain.

If you don't have a pressure cooker and are dead-set on using grains, try fractional sterilization:

http://www.shroomery.org/index/par/23372


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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: Diploid]
    #4126741 - 05/03/05 08:59 AM (13 years, 27 days ago)

I am not sure they will turn to mush. I would put them in a sealed jar with the right water, I think they would be ok.
I know about fractional sterilization but would have to fish them out of the water and incubate. This boiler is on 24/7 so there is no waste of energy/power concern, more a waste of my own energy!


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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: blackout]
    #4202895 - 05/21/05 12:01 PM (13 years, 9 days ago)

Does anybody know the sterilization time for rye at 100C?
Surely it is possible.


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Edited by blackout (05/21/05 12:01 PM)


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Invisibletahoe
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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: blackout]
    #4202998 - 05/21/05 12:48 PM (13 years, 9 days ago)

i sure if you cooked the rye for an hour and let it sit for 2 days and then cooked it again for 5 hours it might work. But instead of asking stupid redundant questions why don't you just use the pf tek or get a pressure cooker


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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: tahoe]
    #4203074 - 05/21/05 01:12 PM (13 years, 9 days ago)

Quote:

tahoe said:
But instead of asking stupid redundant questions why don't you just use the pf tek or get a pressure cooker



Because I have free access to a boiler which is turned on 24/7. I prefer to work with grains, and they are easier to prepare and cheaper than PF cakes for me. If I knew that it took 80hrs for it to sterilize, then I would just leave it in for that long. I know about fractional sterilization, but that is more work, taking it in and out and incubating. Energy cost is not a factor since the boiler will be on anyway.


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OfflineAeolus1369
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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: blackout]
    #4206351 - 05/22/05 01:10 PM (13 years, 8 days ago)

The spores may not germinate at that high a temperature and therefore might never be killed. You either need to let the temp go down a few times or maybe put the unsterilized substrate in a warm place for a day or two before dropping it in the boiler.


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Re: Can rye grain be sterilized at 95C if held at that temp for weeks? [Re: Aeolus1369]
    #4206863 - 05/22/05 03:43 PM (13 years, 8 days ago)

Quote:

Aeolus1369 said:
The spores may not germinate at that high a temperature and therefore might never be killed. You either need to let the temp go down a few times or maybe put the unsterilized substrate in a warm place for a day or two before dropping it in the boiler.




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Amazon Shop: ½ Pint Jars, Pressure Cooker, Rye Grain

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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