Assessment of bioavailable B vitamin content in food using in vitro digestibility assay and LC-MS SIDAPaalme, Toomas; Vilbaste, Allan; Kevvai, Kaspar; Nisamedtinov, Ildar; Hälvin, KristelAnalytical and bioanalytical chemistry2017 / p. 6475-6484 : tab https://doi.org/10.1007/s00216-017-0592-3