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Invisibleshroomsbury
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Bacteria Contam Questions
    #560503 - 02/23/02 10:55 AM (15 years, 4 hours ago)

Hi, I'm a newbie grower, I've got a couple questions:
One of my almost fully colonized jars has growths of that whitish sludgy bad smelling bacteria growth, my question is: Will the cake fruit in a terrarium, and if so, will the mushrooms be healthy to eat?
I don't have access to a digicam right now, but as soon as I do, I'll post some pictures.


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Offlinetomldp
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Re: Bacteria Contam Questions [Re: shroomsbury]
    #560515 - 02/23/02 11:25 AM (15 years, 3 hours ago)

If there is a contamn, throw your cake. You can try to fruit your cake if you're curious, but don't eat the fruits ! Never play with a contamn !


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Offlinefresh357
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Re: Bacteria Contam Questions [Re: tomldp]
    #560773 - 02/23/02 05:34 PM (14 years, 11 months ago)

sludgy? i would take it outside and burn it.


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OfflineMushyMay
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Re: Bacteria Contam Questions [Re: fresh357]
    #563147 - 02/26/02 12:52 AM (14 years, 11 months ago)

fresh, what if you took it outside and just dumped it and then after a while you ended up with an outdoor patch. Is it possible that the contamination would die off and leave the mycelium to grow?

Does anyone have first hand experience with people eating contaminated shrooms? I have heard a lot of warnings but has anyone actually eaten contaminated shrooms? (I won't be eating any mushrooms that I suspect may be contaminated so don't harsh me out.)


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OfflineSeussA
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Re: Bacteria Contam Questions [Re: MushyMay]
    #563560 - 02/26/02 10:36 AM (14 years, 11 months ago)

Just think of eating contaminated shrooms like eating an old McDonalds hamburger that has been sitting on the counter for a week. It is going to be pretty nasty... some people will get sick, others might not. The warnings come because many of the contaminates can make a person very sick. For example, aspergillus is a common mold seen on bread. Aspergillus Flavus, which is a yellow to yellow-green color, produces poisons called aflatoxins which are very powerful hepatacarcinogens. Aspergillus Fumigatus, Aspergillus Niger (common black mold), Cryptococcus Neofromans (dark yellowish-brown yeast) and Cryptococcus Torula (black yeast) (causes cryptococcosis [a form of meningitis]), Fusarium Sporothrichiodes (fast growing whitish color used in biowarfare) and Fusarium Poae (violet color), etc are all nasty to humans. The list goes on and on and ...


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OfflineSeussA
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Re: Bacteria Contam Questions [Re: fresh357]
    #563563 - 02/26/02 10:40 AM (14 years, 11 months ago)

It is much better to simply toss an unopened jar in the trash than to open one up to burn its contents. The air turbulance from both opening the jar and the flame itself can disperse millions upon millions of viable spores. You might not get sick, but why risk it?


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OfflineSuntzu
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Re: Bacteria Contam Questions [Re: Seuss]
    #564685 - 02/27/02 11:21 AM (14 years, 11 months ago)

The anaphylactic agents are the ones I'd worry most about. . .analagous to a beekeeper who develops allergies to stings, if you keep inhaling plumes of mold spores. . ..
In addition, I'd be extremely wary if I were an immunocompromised individual. 
If the elderly were growing mushrooms much, I think we'd hear more stories about ER visits resulting from contamination.

Suess is right about the effects of those particular agents--odds are most of our immune systems would stave off the majority of them with little notice [even in the amplified exposure we might experience], but why risk it?

Here's a good technique for disposing of contamination:

Make a pot or container full of at least 10% bleach. 

Take the moldy jar [I honestly don't think wetspot-type contamination will ever be of much concern, just wash your hands] and immerse it under the water.

Open the jar under the water. 

Use whatever utensils to remove the material from the jar while still under the water.

Let it sit awhile, strain, and pitch.

The same bleach solution can be used several times.

Better to be safe, but no need to be overly paranoid either.  I once had a petri dish of Coccidiodes immitis--regarded as a dangerous systemic fungus, especially when amplified on a petri dish.  The minimum spore infection number is FIVE to TEN.  Five to ten spores has the potential to cause an infection.  Anyway, I wanted to get this damn case out the door, we didn't expect immitis.  The rule out was an organism called Streptomyces--it smells like a musty basement and is very benign.  So there I went. . .*sniff sniff*.  NO ODOR.  Shit.  Two days later it showed its characteristic arthroconidia......Two weeks later, my neck lymph nodes were swollen, but no other ill effects.  That was a million-fold times higher of an exposure than the infection threshold, and my immune system is nothing special.

That's what really started my love of mycology :smile:   


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Offlinefresh357
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Re: Bacteria Contam Questions [Re: Suntzu]
    #564958 - 02/27/02 06:37 PM (14 years, 11 months ago)

i said burn it as a joke. When i have a contamed jar, i just dump it outside to give the mycelium a chance to grow outdoors..even though i know it probably wont happen. The bacteria wont survive long when exposed to the elements.

Bacterial contamination is nothing to play with, but if you keep from taking huge whiffs and use common sense you should be fine.



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