Liver and yeast extracts were assayed satisfactory and the niacine added was recovered quantitatively.doi:10.1590/S0074-02761945000100013VillelaGilberto G.HargreavesAlberto BInstituto Oswaldo Cruz, Ministério da Saúde
aDentre as vitaminas, ressaltam as seguintes: tiamina (vitamina B1), riboflavina (vitamina B2), piridoxina (vitamina B6), niacina, biotina (complexo B), inositol, ácido fólico, e pequenas doses das vitaminas C e D.[translate]