Open Access
Dairy Sci. Technol.
Volume 90, Number 5, September–October 2010
Page(s) 509 - 520
Published online 19 January 2010
  1. Angyal G., Methods for the microbiological analysis of selected nutrients, AOAC International, Gaithersburg, Maryland, USA, 1996. [Google Scholar]
  2. Anonymous, Vitamin B12 may slow AIDS, Tufts Univ. Health Nutr. Lett. 15 (1998) 2. [Google Scholar]
  3. Anonymous, Regulations relating to the fortification of certain foodstuffs, G.N.R. 2003/2003, Foodstuffs, cosmetics and disinfectants act and regulations. Act no. 54 of 1972, Lex Patria Publishers, Johannesburg, South Africa, 2003. [Google Scholar]
  4. Anonymous, Scientific opinion of the panel on biological hazards on a request from EFSA on the maintenance of the QPS list of microorganisms intentionally added to food or feed, EFSA J. 923 (2008) 1–48. [Google Scholar]
  5. Babuchowski A., Laniewska-Moroz L., Warminska-Radyko I., Propionibacteria in fermented vegetables, Lait 79 (1999) 113–124. [CrossRef] [EDP Sciences] [Google Scholar]
  6. Ball G.F.M., Vitamins in Foods, Analysis, Bioavailability and Stability, CRC Press, Boca Raton, FL, USA, 2006. [Google Scholar]
  7. Britz T.J., Riedel K.-H.J., Propionibacterium species diversity in Leerdammer cheese, Int. J. Food Microbiol. 22 (1994) 257–267. [CrossRef] [PubMed] [Google Scholar]
  8. Celik M., Barkut I.K., Öncel C., Forta H., Involuntary movements associated with vitamin B12 deficiency, Parkinsonism Relat. Disord. 10 (2003) 55–57. [CrossRef] [PubMed] [Google Scholar]
  9. Cerná J., Hrabová H., Biologic enrichment of fermented milk beverages with vitamin B12 and folic acid, Milchwissenchaft 32 (1977) 274–277. [Google Scholar]
  10. Dannhauser A., Joubert G., Nel M., Nutritional status of preschool children in the Bloemfontein district, South Afr. J. Food Sci. Nutr. 8 (1996) 14–22. [Google Scholar]
  11. De Man J.M., Principles of food chemistry, 3rd edn., Aspen Publishers Inc., Gaithersburg, Maryland, USA, 1999. [Google Scholar]
  12. Gao Y., Fuo F., Gokavi S., Chow A., Sheng Q., Guo M., Quantification of water-soluble vitamins in milk-based infant formulae using biosensor-based assays, Food Chem. 110(2008) 769–776. [CrossRef] [Google Scholar]
  13. Gardner N., Champagne C.P., Production of Propionibacterium shermanii biomass and vitamin B12 on spent media, J. Appl. Microbiol. 99 (2005) 1365–2672. [Google Scholar]
  14. Hepburn M.J., Dyal K., Runser L.A., Barfield R.L., Hepburn L.M., Fraser S.L., Low serum vitamin B12 levels in an outpatient HIV-infected population, Int. J. Sexually Transmitted Dis. & AIDS 15 (2004) 127–133. [Google Scholar]
  15. Heudi O., Kilinç T., Fontannaz P., Marley E., Determination of vitamin B12 in food products and in premixes by reversed-phase high performance liquid chromatography and immunoaffinity extraction, J. Chromatogr. A 1173 (2006) 63–68. [CrossRef] [Google Scholar]
  16. Hoffbrand V., Provan D., Macrocytic anaemias, Br. Med. J. 314 (1997) 430–433. [PubMed] [Google Scholar]
  17. Kelly R.J., Detection of methyl cobalamin and adenosyl cobalamin using a nitroxide radical trap, Anal. Commun. 35 (1998) 257–259. [CrossRef] [Google Scholar]
  18. Labadarios D., The iron status of South African children 6–71 months of age: results of the national survey, 1994, South Afr. J. Food Sci. Nutr. 8 (1996) 10. [Google Scholar]
  19. Lebiedzińska A., Marszałł M.L., Kuta J., Szefer P., Reversed-phase high-performance liquid chromatography method with coulometric electrochemical and ultraviolet detection for the quantification of vitamins B1 (thiamine), B6 (pyridoxamine, pyridoxal and pyridoxine) and B12 in animal and plant foods, J. Chromatogr. A 1173 (2007) 71–80. [CrossRef] [PubMed] [Google Scholar]
  20. Li H.B., Chen F., Jiang Y., Determination of vitamin B12 in multivitamin tablets and fermentation medium by high-performance liquid chromatography with fluorescence detection, J. Chromatogr. A 891 (2000) 243–247. [CrossRef] [PubMed] [Google Scholar]
  21. Li K.-T., Liu D.-H., Li Y.-L., Chu J., Wang Y.-H., Zhuang Y.-P., Zhang S.-L., Improved large-scale production of vitamin B12 by Pseudomonas denitrificans with betaine feeding, Bioresour. Technol. 99 (2008) 8516–8520. [Google Scholar]
  22. Markopoulou C.K., Kagkadis K.A., Koundourellis J.E., An optimized method for the simultaneous determination of vitamins B1, B6, B12, in multivitamin tables by high performance liquid chromatography, J. Pharm. Biomed. Anal. 30 (2002) 1403–1410. [CrossRef] [PubMed] [Google Scholar]
  23. Mathé G., The non-enumerable described retrovirus integrase inhibitors are not a lure, as evidenced by ten years of clinical experience, Biomed. Pharmacother. 54 (2000) 3–6. [CrossRef] [PubMed] [Google Scholar]
  24. Mazumder T.P., Nishio N., Fukuzaki S., Nagai S., Production of extracellular vitamin B12 compounds from methanol by Methanosarcina barkeri, Appl. Microbiol. Biotechnol. 26 (1987) 511–516. [CrossRef] [Google Scholar]
  25. Moreno P., Salvadó V., Determination of eight water- and fat-soluble vitamins in multivitamin pharmaceutical formulations by high-performance liquid chromatography, J. Chromatogr. A 870 (2000) 207–215. [CrossRef] [PubMed] [Google Scholar]
  26. Morita S., Miwa H., Kihira T., Kondo T., Cerebellar ataxia and leukoencephalopathy associated with cobalamin deficiency, J. Neurol. Sci. 216 (2003) 183–184. [CrossRef] [PubMed] [Google Scholar]
  27. Murooka Y., Piao Y., Kiatpapan P., Yamashita M., Production of tetrapyrrole compounds and vitamin B12 using genetically engineering of Propionibacterium freudenreichii. An overview, Lait 85 (2005) 9–22. [CrossRef] [EDP Sciences] [Google Scholar]
  28. Ozbek Z., Kucukali C.I., Ozkok E., Orhan N., Aydin M., Kilic G., Sazci A., Kara I., Effect of the methylenetetrahydrofolate reductase gene polymorphisms on homocysteine, folate and vitamin B12 in patients with bipolar disorder and relatives, Prog. Neuropsychopharmacol. Biol. Psychiatry 32 (2008) 1331–1337. [CrossRef] [PubMed] [Google Scholar]
  29. Thiel R.J., Fowkes S.W., Down syndrome and epilepsy: a nutritional connection, Med. Hypotheses 62 (2004) 35–44. [CrossRef] [PubMed] [Google Scholar]
  30. Tucker K.L., Mahnken B., Wilson P.W.F., Jacques P., Selhub J., Folic acid fortification of the food supply. Potential risks and benefits for the elderly population, J. Am. Med. Assoc. 276 (1996) 1879–1885. [CrossRef] [PubMed] [Google Scholar]
  31. Vorobjeva L.I., Propionibacteria, Kluwer Academic Publishers, Dordrecht, The Netherlands, 1999. [Google Scholar]
  32. Weinberg J.B., Sauls D.L., Misukonis M.A., Shugars D.C., Inhibition of productive Human Immunodeficiency Virus-1 infection by cobalamins, Blood 86 (1995) 1281–1287. [PubMed] [Google Scholar]
  33. Xu H., Li Y., Liu C., Wu Q., Zhao Y., Lu L., Tang H., Fluorescence resonance energy transfer between acridine orange and rhodamine 6G and its analytical application for B12 with flow-injection laser-induced fluorescence detection, Talanta 77 (2008) 176–181. [CrossRef] [PubMed] [Google Scholar]
  34. Yang Y., Zhang Z., Lu J., Maekawa T., Continuous methane fermentation and the production of vitamin B12 in a fixed-bed reactor packed with loofah, Bioresour. Technol. 92 (2004) 285–290. [CrossRef] [PubMed] [Google Scholar]
  35. Ye K., Shijo M., Miyano K., Shimizu K., Metabolic pathway of Propionibacterium growing with oxygen: enzymes, 13C NMR analysis, and its application for vitamin B12 production with periodic fermentation, Biotechnol. Prog. 15 (1999) 201–207. [CrossRef] [PubMed] [Google Scholar]