nitrofuran metabolites were extracted with aqueous hydrochloric acid and derivatized with nitrobenzaldehyde. solid phase extraction was used for sample clean up. the analytes were determined by lc-ms/ms. metronidazole metronidazole and its metabolite hydroxymetronidazole were extracted by ethyl acetate...
edible by injecting, artificial pore formation or external pressure (class / ) filling cavity in edible solid preform with edible material (class / ) dough type preform (class / ) preform is tubular (class / ) building up units from diverse edible particulate material to form dry product, e.g., agglomerating...