tinako
Registered: 04/27/08
Posts: 83
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Reply with quote | #1 |
Hi,
I believe Colleen made a comment in the B12 podcast that vitamin B12 is in meat only because it is splashed on during slaughter, from feces. Maybe I misunderstood.
I wanted to confirm that fact and have been unable to find it anywhere else.
Not that I'm disputing that feces is on meat; of course it is, but if that's how it happens, how does B12 get inside an egg, or in what seems to be a sanitary milk collection system?
Anyone know?
Tina
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Cujosdad
Registered: 01/08/08
Posts: 269
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Reply with quote | #2 |
I had to give that one a listen again...what she said was that b-12 is produced by bacteria and bacteria love to grow on meat.... no mention of feces that I heard. I did leave the room for a few seconds but I doubt it was said at that point.
Anyway, B-12 is produced by bacteria.....animals ingest it and then once it is in their system, It binds with protein ....I guess it would be bound to any protein that the animal produces as well ....When non-veg humans eat meat, the b-12 is released from the protein..(in the egg, milk or meat along with whatever lovely bacteria have come along for the ride) by their stomach acids. So, I guess B-12 is in the meat and on the meat. The feces is just a bonus 
The Mayo clinic was my source for this info...although Wikipedia seems to have it right too.
CYA
Cujo
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Compassion is a Verb
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msjared
Moderator
Registered: 05/19/08
Posts: 132
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Reply with quote | #3 |
hi tina,
i listened to that episode again this morning, and there was no mention of feces, only bacteria, which produces the B12. (feces is full of bacteria though, so maybe that's where the confusion stems from.)
you can listen to the full podcast here for the in depth discussion:
http://feedproxy.google.com/~r/VegetarianFoodForThought/~3/qyZYXu6XETs/B12.mp3
hope that helps clarify the feces vs. bacteria B12 question. 
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"The animals of the world exist for their own reasons. They were not made for humans any more than black people were made for whites or women for men." - Alice Walker |
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tinako
Registered: 04/27/08
Posts: 83
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Reply with quote | #4 |
I wonder where I heard that about slaughter contamination. Probably whenever I did I remembered that Colleen had talked about B12 bacteria growing ON the meat and assumed that's what she meant.
I came across the same info regarding B12 being incorporated into the meat as it grows. I can't find anything that says B12 grows or gets on meat after slaughter (whether from intestinal contamination or just run-of-the-mill spoiling/bacteria).
I feel a little bad - you two listened to the podcast again because I was too lazy to. (sheepish grin) I thought someone might just know. Thanks!
Tina
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vegcooking
Moderator
Registered: 01/03/08
Posts: 243
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Reply with quote | #5 |
Perhaps *I* need to listen again. The bottom line is that B12 grows on bacteria - not animals. Bacteria is the only creature that actually manufactures B12. The reason people consume B12 from animals is because animals produce bacteria (and thus B12) in our guts/our intestines. When we consume animals, we consume that bacteria and B12. It's really a secondary point - mostly for illustrative purposes - that bacteria is attracted to rotting corpses. That's just the fact, but our intake of B12 is mostly by virtue of the fact that animals have it in their digestive system. B12 is also in the bacteria in soil, which chickens consume, which is why it's typically in their eggs. (Factory-farmed hens either don't contain B12 or have been supplemented with it.)
Hope that clears things up. Sorry for any confusion.
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Colleen Patrick-Goudreau
Founder & Director, Compassionate Cooks
http://www.compassionatecooks.com |
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tinako
Registered: 04/27/08
Posts: 83
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Reply with quote | #6 |
Thank you, Colleen.
I was just writing something up for some friends and wanted to make sure I understood.
- Tina
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Grey
Registered: 10/03/09
Posts: 14
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Reply with quote | #7 |
I heard that you can get B12 from seaweed or in nutritional yeast, is that true? |
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gwentohike
Registered: 01/05/08
Posts: 104
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Reply with quote | #8 |
B12 is definitely in nutritional yeast. Not sure about seaweed.
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