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Discussion Starter · #1 ·
I am making a recipe that has mushroom powder and will be using the Nom Nom Paleo Magic Mushroom Powder product (https://nomnompaleo.com/post/10533354... - now available at Whole Foods), which I think tastes awesome and works well in cooked foods. The recipe, which is a sauce/condiment, will be raw/uncooked, and will be served to a crowd.

Is anyone aware of any potential food safety concerns for dried mushrooms or powders derived from dried mushrooms? To give you an idea of how 'paranoid' I am as a home cook, when it comes to food safety (again, cooking for a crowd), when making raw recipes using cilantro, I usually soak the cilantro in a bleach-based water bath (learned this from Alton Brown) for 20 minutes, which hopefully kills most harmful bacteria.

This recipe also contains nutritional yeast and coconut aminos - any concerns here as well?
 

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I make my own mushroom powder and have never had a problem. It's a technique that is millenia old.

I learned to make and use mushroom powder from Jeff Smith's cooking programs in the 80s
 

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Depends on the mushroom. Porcini, more than likely safe raw. Morels, not so much. General rule of thumb is never eat a mushroom raw. That being said drying does render some volatile compounds inert. I would refer you to David Aurora's definitive mushroom guide, Mushrooms Demystified for further clarification. Best of luck.
 

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"General rule of thumb is never eat a mushroom raw."

There are hoards of people who eat raw mushrooms and have lived happily ever after.
You are safe consuming cultivated mushrooms raw, but with many of the wild mushrooms you are better off cooking them first. One of my friends, an avid mushroom hunter and amateur mycologist once told me that many wild mushrooms do contain trace amounts of substances that are not good for us. Many will just cause minor digestive tract upset. But cooking wild mushrooms destroys these substances. Don't know if there is any truth in what he told me but since then I've always cooked any wild, foraged mushrooms that I have, with the exception of taking small nibbles of them, but not eating them raw in any quantity.
 

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Discussion Starter · #9 ·
You're adding bleach to your diet and you're worried about problems with mushroom powder? :confused:
I knew I was going to get this reaction! I follow the bleach soak with an equally long clean water bath, followed by another water bath. I'm going for a sterilizing of any bacteria that can cause illness. When serving for a crowd, I try to keep cold foods below 40F and hot foods above 140F using chafing dishes (ice + water for the former, chafing fuels for the latter), but I can't guarantee that those temps will hold, thus the need to get rid of as many baddies like ecoli/salmonella/clostridium/etc before they can grow in the danger zone.

I have seen sources using baking soda or vinegar and I'm tempted to give those a try. Though if bleach is good enough for Alton, it's good enough for me:

 

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Discussion Starter · #10 ·
You are safe consuming cultivated mushrooms raw, but with many of the wild mushrooms you are better off cooking them first. One of my friends, an avid mushroom hunter and amateur mycologist once told me that many wild mushrooms do contain trace amounts of substances that are not good for us. Many will just cause minor digestive tract upset. But cooking wild mushrooms destroys these substances. Don't know if there is any truth in what he told me but since then I've always cooked any wild, foraged mushrooms that I have, with the exception of taking small nibbles of them, but not eating them raw in any quantity.
Thanks for the reply! I'm actually more concerned with bacteria/spores that could grow on the mushrooms rather than any compounds within the mushroom itself. My guess is that during the drying process, those compounds are typically made harmless (just conjecturing, no science study behind this idea at all). I know that some bacteria are extremely hardy and being out in the danger zone (40F>140F) has given me concern that there might be enough bacteria growth to cause illness.
 

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Discussion Starter · #11 ·
Depends on the mushroom. Porcini, more than likely safe raw. Morels, not so much. General rule of thumb is never eat a mushroom raw. That being said drying does render some volatile compounds inert. I would refer you to David Aurora's definitive mushroom guide, Mushrooms Demystified for further clarification. Best of luck.
Thanks for the reference - I'll check that out!
 

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I knew I was going to get this reaction! I follow the bleach soak with an equally long clean water bath, followed by another water bath. I'm going for a sterilizing of any bacteria that can cause illness. When serving for a crowd, I try to keep cold foods below 40F and hot foods above 140F using chafing dishes (ice + water for the former, chafing fuels for the latter), but I can't guarantee that those temps will hold, thus the need to get rid of as many baddies like ecoli/salmonella/clostridium/etc before they can grow in the danger zone.

I have seen sources using baking soda or vinegar and I'm tempted to give those a try. Though if bleach is good enough for Alton, it's good enough for me:

Simply washing then draining well is all you need. Surface bacteria will be washed away. I never heard of being paranoid about cilantro... if you are really worried grow your own in a sunny window!
 

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Discussion Starter · #14 ·
Simply washing then draining well is all you need. Surface bacteria will be washed away. I never heard of being paranoid about cilantro... if you are really worried grow your own in a sunny window!
Here's one link: http://www.foodsafetynews.com/tag/cilantro/#.W1YLhj9Khds

... personally, I have a suspicion that the Chipotle e coli issues stem from their local-based sourcing of produce like cilantro, and at the time, a lack of standardized practices on how to deal with those items in a way that is safe for general consumption. Again, I have no evidence on this and you can definitely accuse me of wearing a tinfoil.
 

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Have to believe maryb here. You can't rinse it off your fingers, it has to wear off. And it's very reactive. I would think even seriously denaturing any leafy plant stuff you adulterated would still not rid you of the vestiges.
 

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Discussion Starter · #17 ·
I knew I was going to get this reaction! I follow the bleach soak with an equally long clean water bath, followed by another water bath. I'm going for a sterilizing of any bacteria that can cause illness. When serving for a crowd, I try to keep cold foods below 40F and hot foods above 140F using chafing dishes (ice + water for the former, chafing fuels for the latter), but I can't guarantee that those temps will hold, thus the need to get rid of as many baddies like ecoli/salmonella/clostridium/etc before they can grow in the danger zone.

I have seen sources using baking soda or vinegar and I'm tempted to give those a try. Though if bleach is good enough for Alton, it's good enough for me:

EDIT: the link is down you YouTube. Here's the official one from FoodNetwork:

https://www.foodnetwork.com/recipes/alton-brown/tarragon-chive-vinegar-recipe-1951927

I won't be adding more to this thread, but if anyone else has thoughts I would love to hear them.
 
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