Forum: B12 in plants?

This study has been mention when discussing some other topic, but deserves it's own thread... http://www.ncbi.nlm.nih.gov/pubmed/12656203?dopt=Abstract

There is a lot of disagreement and confusion about the B12 found in algae. Here is a study about algal vitamin B12 (from http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12656203): "Substantial amounts of vitamin B12 were found in some edible algae...

From http://lefcms.lef.org/whatshot/ 'A report published in the Decmeber 2004 issue of the Journal of The American College of Nutrition has found a reduction in the nutritional content of fruits and vegetables occurring over the past 50 years. Modern agrigulture methods designed to improve...

http://www.emedicinal.com/herbs/fenugreekseeds.php

http://www.greenharvest.com.au/seeds/sprouting_seeds.html

According to this article, there is 0,26 mcg vitamin B12 in 100 g mushrooms.

From http://web.archive.org/web/20010310045519/http://wwwscas.cit.cornell.edu/courses/190/abstr/boshart2.htm "Mozafar, A. 1994. Enrichment of some B-vitamins in plants with application of organic fertilizers. Plant and Soil 167:305-311. Organic food suppliers often claim that organic foods...

Red clover tops apparently contains B12, according to various sources. I've earlier posted references to information discussing that "Bacteria on root nodules of legumes (beans, alfalfa, clover) require cobalt (and other trace elements) to synthesize B12 and fix nitrogen from air", and B12 is...

Mullein leaves (Verbascum thapsus) is often mentioned as containing B12. Fine. MAybe it does, and maybe the ratio between bioavailable, active B12 and inactive B12 analogues is terrific. But - why don't the sites that mention mullein list threir sources? If they hae seen reliable information...

This document from Universität Hohenheim in Germany mentions that Nelumbo nucifera Gaertn. rhizome is "rich in Vitamin B12, rare among vegetables". Many of the 50-100 references we have listed mention that B12 is rare in plants - several of them claim that the plant they mention more or less is...

According to this and other sites about Thai food, finger root contains B12: I haven't seen and studies meaasuring exactly how much B12 that has been found in finger roots (or the ratio between active, bioavailable B12 and inactive B12 analogues)... anyone else?

Cotton is now being genetically modified into a major source of food for the future world population, according to this source. I'm not a fan of GM, but cotton seeds, cotton seed oil, and cotton seed flour is already being used in food. A cotton plant produces more (in weight) cotton seeds than...

From http://www.tagnet.org/adventist.fm/health/heallup.htm 'Adventist health scientist Matt Steele wondered about this for a long time. Vitamin B12 is almost the universal product of bacterial action. So it dawned on him that it might have come from natural drinking water -- which would have...

Many of you know that healthy levels of calcium, vitamin D and iron have a beneficial effect on B12 absorption. But there are som other sources as well, which sometimes are mentioned positively in conjunction with B12 absorption. I've seen black pepper mentiod as beneficial for B12 absorption,...

Pollen is known for being very rich in nutrients. Several companies sell pollen products that is not collected by bees. Graminex is one of them. I have been in touch with them, and have received an analysis document for their pollen product stating that it actually contains B12 (but not how...

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

According to this site, goldenberries contain some B12:

(I can't find this anywhere else yet). Not sure what this means but: http://www.ncbi.nlm.nih.gov/pubmed/15182932 Incorporation of a high level of vitamin B12 into a vegetable, kaiware daikon (Japanese radish sprout), by the absorption from its seeds. Sato K, Kudo Y, Muramatsu K. ...

http://www.google.ca/search?q=%22angelica+keiskei%22+b12&btnG=Search&hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=RD3&sa=2 the following link has results of lab tests for b12 http://www.ashitabagreen.com/compare.html

According to this link, the Brazilian herb Pfaffia paniculata contains both B12 and Taurine. I'm always extra skeptical when the actual found levels aren't stated, and it doesn't help much when the text is printed in yellow on white background. :) Anyway, here's the text, and as always -...

From http://www.florahealth.com/flora/home/canada/healthinformation/encyclopedias/BarleyGrass.asp : Barley, Hordeum vulgare L. , is widely used in human foods, animal feeds and livestock forages around the world. The use of barley for food and medicinal purposes dates to antiquity....

From http://www.thepiratesparrot.com/alfalfa.htm : "Alfalfa contains vitamins A, B1, B6, B12, C (four times that in citrus juice), D, E, K, P, niacin, pantothenic acid, biotin, folic acid, saponins, calcium (very high), phosphorous, potassium, magnesium, iron, zinc, and copper. (It contains all...

At PubMed there is an article documenting that dried purple laver (nori) is contains vitamin B12 that is bioavailable - at least for rats. Some claim that nori is a useful, natural, plant based B12 source for humans, other claims the opposite. What do you think? And why didn't they try this on...

http://www.paradiseherbs.com/images/PDF/Cordyceps.pdf http://www.nbcdt.cn/en/pro5-1.html http://www.chinesenaturalherbs.com/herbsmonth/month_cordyceps.htm http://www.naturespure.cn/files/16re.htm

From http://www.penpages.psu.edu/penpages_reference/29401/2940169.html

From PubMed: http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=285226&blobtype=pdf (NB: the link is to a .pdf-file, size 2.5 mb).

http://jn.nutrition.org/cgi/reprint/56/3/403.pdf According to this study, B12 has been found in all the 7 pulses studied, and both in the germinated and ungerminated plants. The values for ungerminated pulses are (mcg/100g, with a +/- 0.01-0.02 mcg error margin): Phaseolus mungo (Black...

http://www.nzetc.org/tm/scholarly/tei-Bio14Tuat01-t1-body-d5.html

http://www.fao.org/DOCREP/003/X6878E/X6878E33.htm Caulerpa racemosa (dried): 14.9 mcg. pr 100g More about sea grapes / "green caviar" here: http://www.fao.org/docrep/006/y4765e/y4765e0b.htm As always - and this is true for both vegan and non-vegan products, but more important for...

More and more Asian B12 studies are becoming available on internet, and a site dedicated to share translated Japanese studies are in the works. I learned today that bamboo embryo plants have been thought to contain vitamin 12 in Japan, but this study considered this not to be the case. I...

http://ss.jircas.affrc.go.jp/english/publication/jarq/38-4/38-4-01.html According to http://library.wur.nl/wda/dissertations/dis3345.pdf, commercial sufu contains 1.7-22 mcg B12 pr. 10g fresh weight.

As always, information about B12 in any product may be misleading because detailed information about how this product influences our levels of B12 etc. in human blood normally isn't included in these reports... but here we go: http://agriqua.doae.go.th/worldfermentedfood/P8_Janpen.pdf ...

From http://www.lamacrobiotique.com/english/407.faq.html I'm not posting this to say that I can backup these statements by scientific research, but to start a thread where test reports re B12 levels in natto, sauerkraut etc can be posted... Test reports that contain detailed information...

According to http://wwwlib.murdoch.edu.au/adt/pubfiles/adt-MU20050901.140745/02Whole.pdf, high concetrations of B12 is found in the Coccolithophorid algae. also called Pleurochrysis carterae - 0,0013% of dry cell weight. Hmmm... That would be 0.13g pr. 100g = 130 000 mcg, but this site...

From http://jn.nutrition.org/cgi/reprint/67/4/623.pdf Here's the conclusion of this old study (it's from 1958):

From http://www.findhealer.com/glossary/W.php3 "Rich in tannins, white oak bark also provides vitamin B12 and minerals like calcium, iron and zinc. White oak bark's astringent properties tighten tissues and strengthen blood vessels, making it ideal for treating diarrhea, hemorrhoids and...

From http://www.aslo.org/lo/toc/vol_17/issue_2/0315.pdf VITAMIN B12, THIAMINE, AND BIOTIN IN LAKE SAGAMI

How much B12 is there in a plant based diet? Many will claim 'none'. A few will claim that you will get enough. It all depends on what kind of vegan diet you eat and lots of other factors. From time to other I come across sites that have analyzed the diet of vegans, and somehow claim to know...

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.