1 23 Journal of Food Measurement and Characterization ISSN 2193-4126 Volume 9 Number 2 Food Measure (2015) 9:160-174 DOI 10.1007/s11694-014-9221-4 Concentrations and health risk assessment of metals in chewing gums, peppermints and sweets in Nigeria Chukwujindu M. A. Iwegbue, Francisca I. Bassey, Godswill O. Tesi, Loretta C. Overah, Sunday O. Onyeloni & Bice S. Martincigh