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This study was conducted to determine the heavy metals concentration some of their end products (Bean porridge, bean dumpling) obtained from some major selected markets (Batsari, Charanchi, Kafur and Mai’adua) in Katsina state Nigeria. objectives were mainly to detect the presence of heavy metals in products sold in some selected markets in the study area, compare the effect of processing on concentration of heavy metals in samples in relation to the permissible limits specified by WHO/FAO, NAFDAC, FEPA and E.U Standards. Sa 2016 from the selected markets. Cr, Cd, Fe, Ni, Mn, Pb and Zn was conducted by the use of AAS (by Atomic Absorption Spectrophotometry) method. The differen unprocessed and processed bean samples was done by the use of T Results from this study indicate that concentration value of Cu, Cr, Cd, Fe, Ni, Mn and Zn, in the samples were generally lower than the FEPA, WHO/FAO maximum permissive limits while Pb was not detected in all the samples. The low levels of heavy metals are indicative of low levels of contamination of farmlands were the beans samples were cultivated by these trace metals in spite of increasing use of fertilizers and pesticides in modern agriculture, as well as emissions from other anthropogenic sources

Evaluation of heavy metals in beans and some beans product from some selected markets in Katsina State Nigeria