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Gutzeit D, Mönch S, Jerz G, Winterhalter P, Rychlik M. Folate content in sea buckthorn berries and related products (Hippophaë rhamnoides L. ssp. rhamnoides): LC-MS/MS determination of folate vitamer stability influenced by processing and storage assessed by stable isotope dilution assay. Analytical and Bioanalytical Chemistry. 2008 Feb 16;391(1):211–9. doi: 10.1007/s00216-008-1905-3. |