background:the use of herbal or medicinal plants in various forms has been popular for thousands of years. it is estimated that about 70–80% of the world’s population relies on alternative medicine, mainly of herbal origin. however, due to the nature and sources of these plants, they are sometimes contaminated with toxic heavy metals, which pose serious health risks to consumers. herbal formula...

this study was undertaken to determine the concentration of mercury in edible muscle of five commercially valuable marine organisms from mosa bay, persian gulf, iran. the total mercury concentrations were determined by cold vapour atomic absorption spectrophotometry and expressed in μg/g dry weight. certified reference materials were used for each batch of analysis. mercury concentration was 0....

BACKGROUND The need to evaluate the human health safety of fishery resources remain urgent in the mist of the ever-increasing fear of heavy metal toxicity from the consumption of Ghana's fisheries resource, as a consequence of pollution from several anthropogenic activities including artisanal gold mining. Nevertheless, the bigeye grunt (Brachydeuterus auritus) and Bagrid catfish (Chrysichthys ...

We are concerned that certain aspects of the systematic review on methylmercury (MeHg) exposure from seafood consumption and the risk of developmental neurotoxicity published in the Bulletin of World Health Organization could be misinterpreted.1 Specifically, the review does not address the issue of whether naturally-occurring, background levels of prenatal exposure to MeHg from maternal fish c...

Chemical analyses were performed on one hundred and twenty of the most popular varieties of fish products (smoked fish, salted fish, and marinated fish) of the fish market in Poland. The contents of the nutritive substances of fish products (protein, micro- and macronutrients, vitamins A(1), D(3), E, and fatty acids) and the chosen contaminant (toxic metals--mercury, cadmium, lead, arsenic; dio...