Abstract
Mangrove oysters are a type of oyster typical for human consumption in Semarang City. The Tapak River in Semarang is a popular fishing ground for mangrove oysters, but it is also contaminated with cadmium (Cd) and lead (Pb) metals. This research was determined to analyze the concentration of Cd and Pb metals in mangrove oyster meat from the Tapak River and determine the maximum tolerable intake for humans. Oysters were collected from 3 stations with 3 replicates per station. Metal concentrations in mangrove oyster meat were analyzed with a wet digestion method followed by atomic absorption spectrophotometry. Most of the meat samples contained Cd exceeding standard concentrations for shellfish and all meat samples contained Pb exceeding the standard concentrations for shellfish. The maximum tolerable intake of Cd and Pb for human adults is 0.954 ± 0.431 mg week-1 and 0.164 ± 0.014 mg week-1 respectively.
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