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http://www.ncbi.nlm.nih.gov/pubmed/11020912

Cyanocobalamin absorption abnormality in alcoholics is improved by oral supplementation with a fermented papaya-derived antioxidant.
PMID: 11020912

"....fermented tomato pomace (dried) with 50-55 mg kg(-1) or more of B12 could prove a useful feedstuff for animals".


http://www.ncbi.nlm.nih.gov/pubmed/11341680
Utilisation of tomato pomace as...

"....fermented tomato pomace (dried) with 50-55 mg kg(-1) or more of B12 could prove a useful feedstuff for animals".

http://www.ncbi.nlm.nih.gov/pubmed/11935176:

[PMID: 11935176]

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2394963/ :
High-Level Folate Production in Fermented Foods by the B12 ProducerLactobacillus reuteri...

[PMID: 25114554]
Plant-based Paste Fermented by Lactic Acid Bacteria and Yeast: Functional Analysis and Possibility of Application to Functional Foods

...

Nutritional quality of lactic fermented bitter gourd and fenugreek leaves. (I'm cross-posting this link since the writers suggest that vitamin B12 was formed in the fenugreek as a result of the...

Lactobacillus reuteri CRL1098, a lactic acid bacterium isolated from sourdough, is able to produce cobalamin:

Lactobacillus reuteri CRL1098 produces cobalamin PMID: 12949118

The question isn't silly, but I don't know the answer. :)

Anyway, here's a link to a thread on veganfitness.com, called B12 Breaking News: Old fermentation method rediscovered

It is confusing. The production of the B12 found in supplements also involves a fermentation process, and both multivitamins and animal products may contain inactive B12 analogues. Plus, it doesn't...

Here's another article confirming that the B12 found in supplements not only comes from fermentation, the writer suggests that B12 in commercial production is 'entirely' from fermentation:
...

http://jb.asm.org/cgi/reprint/140/3/1013.pdf:


http://www.biocel.cz/enghtml/vitmain.htm



0,04 milligrams = 40 mcg, which means that 60 gram torula yeast contains 2,4 mcg B12.

I don't know anything about B12 and the fermentation process in bread, Manish - sorry. But since Indonesian ontjom, Korean kimchi, African palm wine, tempeh from Jakarta, Indian idli and American...

http://www.unu.edu/unupress/unupbooks/80434e/80434E0a.htm

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=242746

Hi, as you can see, I have merged some threads about B12 made from fermentation, so you'll find some info about B12 and fermentation in the other posts in this thread now.

You asked the question a...

More about B12/fermentation from IVU:

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http://www.fao.org/docrep/x0560e/x0560e06.htm



http://webdev.ift.org/NR/rdonlyres/C650A4F0-39C8-4FC5-A034-A125FD44BCAE/0/crfsfsv01n1p028032ms20001201.pdf

http://www.lifeinkorea.com/culture/kimchi/kimchi.cfm?xURL=nutrition




http://www.blackwell-synergy.com/doi/abs/10.1111/j.1365-2621.1979.tb08525.x?journalCode=jfds

From http://www.sciencenews.org/articles/20040131/food.asp :

Bacteria Brew a B Vitamin Boost


Janet Raloff


When looking for naturally rich sources of cobalamin, better known as vitamin...