Eijkman akakundikana kupfuuridzira tsvakurudzo yake nekuda kwehutano husina kunaka, asi ongororo yakaitwa neshamwari yake Adolphe Vorderman yakasimbisa kubatana pakati pemupunga wakapukutwa nechirwere. Pakupedzisira zvakaonekwa kuti chinhu chaishayikwa chaikonzera Beriberi chaive vhitamini B1, thiamine. Chemist Casimir Funk akapfupisa izwi rekuti "vital amine" kuti agadzire izwi idzva, vhitamini. Nokuda kwemipiro yake pakuwanikwa kwemavhitamini anopesana neurinuric, Eijkman akahwina mubairo weNobel wezvokurapa muna 1929, achigovana mubairo naSir Frederick Funk Hopkins. Zvichida zvisina kururama, haana kumbobvumidzwa zvizere nebasa rake. Mubvunzo: Chii chakaitika kumunhu akagadzira Vitamin?
akawana mubayiro weNobel Prize yeMishonga muna 1929