Determination of heavy metals and bacteria in drinks from restaurant and stalls in Shah Alam / Nik Hasimah Othman

The determination of heavy metals in several types of drinks (syrup and tea) from a restaurant atsSection 7 and stalls at section 2 and Dataran Cendekia, UiTM was carried out by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES). Pb and Cu were detected in the syrup drink from Section 2 and Section 7 and the concentration were in this order: Cu>Pb. while Al and Cu were detect in the tea drink with the concentration order is Al>Cu. All detected heavy metals exceeded the permissible limit level of drinking water Quality Standards recommended by Ministry of Health, Malaysia. The analysis of total coliform bacteria of syrup and tea drinks from investigated areas was carried out by membrane filtration method. Both syrup and tea drinks from all investigated restaurant and stalls were found to be contaminated with total coliform bacteria. Based on the results obtained, it can be concluded that both syrup and tea drinks from all investigated restaurant and stalls are unsafe for drinking.