Estimation of annual effective dose due to ingestion of radioactive elements in Sri Lankan common meal plans.

Dietary ingestion of radionuclides by human may lead to many hazardous effects such as cancers. No studies have been conducted to estimate the levels of radioactivity dosage received from Sri Lankan homemade foods. In order to find out the levels of radionuclides in Sri Lankan cooked foods, meal plans (n = 11) that are most commonly consumed were analyzed for the activity concentrations of the radioisotopes Ra, Pb, Th, Cs, and K by means of gamma spectroscopy.