Twenty five different brands of rice from Lagos markets in Nigeria were sampled and assessed for Ochratoxin A (OTA) contamination using high performance liquid chromatography (HPLC). Samples were homogenized by grinding and extracted with 12.5 ml of 0.1 M phosphoric acid and 125 ml of methylene chloride. The extracts were cleaned-up with a syringe packed with acid washed Celite 545 column…