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OfflineKalix
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Registered: 03/20/05
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Does H2O2 kill bacillus?
    #4136526 - 05/05/05 08:24 AM (11 years, 7 months ago)

Does it?


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OfflineKalix
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Re: Does H2O2 kill bacillus? [Re: Kalix]
    #4138395 - 05/05/05 05:28 PM (11 years, 7 months ago)

Anyone?


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OfflineSammy
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Re: Does H2O2 kill bacillus? [Re: Kalix]
    #4138427 - 05/05/05 05:35 PM (11 years, 7 months ago)

This was from the member Suntzi's post:

The straight dope is this: You eat Bacillus every day in minute amounts. It's on your skin, in your hair, on your clothes, even part of the natural flora in your intenstines. When you have a problem cake/jar the amounts of Bacillus are much, much higher than you normally encounter. Environmental Bacillus are generally benign in terms of toxin production, but two species are known toxin-producers. One of these is anthrax, which you're not going to find in jars, but the other is B. cereus which could very well be. Vomiting and diahrrea are the likely symptoms from cereus 'poisoning'. In addition allergic reactions can occur to just about anything, and the risk is much greater with large amounts of the organism. The big unknown is whether mushroom fruitbodies can/will assimilate these toxins and to what degree. Personally, I think the risk is very small if the patch of bacteria is small and the mycelium has devoured it. But it's only an opinion, not backed by any evidence other than anecdotal.
The other significant thing to consider is that a jar with Bacillus contamination could very well have other bacteria present. It's impossible to tell if you have a 'pure' Bacillus problem.
Smelling bacterially-contaminated jars does not pose a significant risk, as it might in the case of mold-contaminated jars.
As far as whether mushrooms from Bacillus cakes are safe, no one will be able to tell you definitively. Most people have fruited cakes/grain that had a touch of bacterial contamination, and the odds are very good that it is 'safe'. To make a blanket statement that it's always going to be that way would be irresponsible. There are many variables, many species of bacteria [even amongst Bacillus], and the question of 'degree of contamination'.

The best way to deal with the problem is to make several more jars/cakes than you need, and only proceed with the clean ones [obvious, but worth saying].


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Hope that helps!

Sammy


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Offlinexburn
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Re: Does H2O2 kill bacillus? [Re: Sammy]
    #4138486 - 05/05/05 05:47 PM (11 years, 7 months ago)

it is a bacteria, H20@ kills those bugs


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OfflineKalix
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Re: Does H2O2 kill bacillus? [Re: xburn]
    #4138508 - 05/05/05 05:57 PM (11 years, 7 months ago)

Sweet! So I could just mist the cakes after they're colonized w/H2o2, and it will hopefully kill the bacteria?


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Invisiblekorins
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Re: Does H2O2 kill bacillus? [Re: Kalix]
    #4138541 - 05/05/05 06:05 PM (11 years, 7 months ago)

Not if the interior is colonized with the bacteria. You wouldn't know unless you broke open the cakes--even then, maybe not.


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InvisiblePrisoner#1M
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Re: Does H2O2 kill bacillus? [Re: Kalix]
    #4138555 - 05/05/05 06:09 PM (11 years, 7 months ago)

Quote:

Kalix said:
Sweet! So I could just mist the cakes after they're colonized w/H2o2, and it will hopefully kill the bacteria?




generaly if you have a bacterial contam you arent going to get 100% colonization
it's best to toss them and start over


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OfflineKalix
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Re: Does H2O2 kill bacillus? [Re: Prisoner#1]
    #4138557 - 05/05/05 06:10 PM (11 years, 7 months ago)

O.K. O.K. I give in I'll toss 'em *sniffle*


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Invisibleno-tone
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Registered: 10/17/00
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Re: Does H2O2 kill bacillus? [Re: Prisoner#1]
    #4138572 - 05/05/05 06:15 PM (11 years, 7 months ago)

Bacillus are a spore forming genera, if my memory serves me correctly.

Hydrogen peroxide will not kill endospores.


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Edited by no-tone (05/05/05 06:47 PM)


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Invisiblebackupwards
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Registered: 04/02/05
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Re: Does H2O2 kill bacillus? [Re: no-tone]
    #4138727 - 05/05/05 06:50 PM (11 years, 7 months ago)

no-tone is right, h2o2 will not kill the endospores and most likely not kill the bacillus. the thing about bacterium is that they themselves produce h2o2 in quantities to protect themselves from say white blood cells. if you apply h2o2 to these bacterium do they bubble. yes then is cereus or another aerobic bacterium. the bubbling shows that they are breaking down the h2o2 into h2o and o.


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