PL
The present study provides information about the concentrations of vitamins B1, B2, B3 and niacin in a variety of cereal food products. Tiamin and vitamin B6 were determined by RP-HPLC, while niacin and riboflavin were assessed by microbiologcal methods. The content of the vitamins in the studied grades of flour, bakery products and flakes varied significantly. The whole grain products contained evidently higher amounts of the vitamins.