Tag,
hier mal ein paar Referenzen zu Studien, die die DGE für Ihre B12 Empfehlungen heranzieht:
[1] Bognàr, A.: Vitaminverluste bei der Lagerung und Zubereitung von Lebensmitteln.
ernährung/nutrition 19 (1995), 411-416, 478-483, 551-554
[2] Chanarin, I.: Folate and Cobalamin. In: Haematological disorders in pregnancy. Letsky, E. A.,
(ed.) Clinics in Haematology 14. W. B. Saunders Company, London-Philadelphia-Toronto
(1985), 629-642
[3] Chanarin, I.: The megaloblastic anemias. 3rd edition, Blackwell Scientific, Oxford (1990)
[4] Herbert, V.: Recommended dietary intakes (RDI) of vitamin B12 in humans. Am. J. Clin. Nutr.
45 (1987), 671-678
[5] Lindenbaum, J., Savage, D. G., Stabler, S. P., Allen, R. H.: Diagnosis of cobalamin deficiency.
II. Relative sensitivities of serum cobalamin, methylmalonic acid and total homocysteine concentrations.
Am. J. Hematol. 34 (1990), 99-107
[6] Martin, D. C., Francis, J., Protetch, J., Huff, J.: Time dependency of cognitive recovery with
cobalamin replacement: Report of a pilot study. J. Am. Geriatr. Soc. 40 (1992), 168-172
[7] Narayanan, M. N., Dawson D. W., Lewis, M. J.: Dietary deficiency of Vitamin B12 is associated
with low serum cobalamin levels in non-vegetarians. Eur. J. Haematol. 47 (1991), 115-118
[8] Parry, T. E.: Megaloblastic anemia in the elderly. In: Hematological Problems in the Elderly.
Hamblin, T. J. (ed.), Baillière’s Clinical Haematology 1. Baillière Tindall, London-Philadelphia-
Toronto-Sydney-Tokyo (1987), 315-355
[9] Siurala, M., Isokoski, M., Varis, K., Kekki, M.: Prevalence of gastritis in a rural population.
Bioptic study of subjects selected at random. Scand. J. Gastroenterol. 3 (1968), 211-223
[10] Souci, S. W., Fachmann, W., Kraut, H.: Die Zusammensetzung der Lebensmittel. Nährwert-
Tabellen. 6. Auflage, medpharm Scientific Publishers, Stuttgart (2000)
[11] Specker, B. L., Black, A., Allen, L., Morrow, F.: Vitamin B12: low milk concentrations are related
to low serum concentrations in vegetarian women and to methylmalonic aciduria in their
infants. Am. J. Clin. Nutr. 52 (1990), 1073-1076
[12] Stewart, J. S., Roberts, P. D., Hoffbrand, A. V.: Response of dietary vitamin B12 deficiency to
physiological oral doses of cyanocobalamin. Lancet 2 (1970), 542-545
[13] Stötter, M., Mayrhofer, H.: Veganische Ernährung: Neurologische Symptomatik, schwere
Entwicklungs- und Gedeihstörung bei Säuglingen und Kleinkindern durch Vitamin B12 -
Mangel. Akt. Ernähr.-Med. 21 (1996), 4-7
Viel Spass !