Evaluation of heavy metal and microbial contamination in green tea and herbal tea used for weight loss in the Palestinian market.

N., Nidal, J., Hawash, M., Khayat, R., Khatatbeh, E., Ehmidan, M., & Al-Atrash, M. Despite this information and because of the elevated concentrations of arsenic, cadmium, and lead obtained in some of our results, we suggest more detailed studies to obtain more information about the potential toxicity of these products to humans.Ībualhasan, M. The values obtained were less than 1, showing negligible noncarcinogenic health risks for consumers. To evaluate possible health risks, we also calculated the hazard index (HI) of the heavy metals in the target herbal tea bags. Finally, based on the MERCOSUR parameters, moderate levels of lead were exceeded by only one brand of C.

recutita (0.210 mg kg −1) and one brand of C. The moderate level of cadmium outlined in the Codex Alimentarius and by the World Health Organization (WHO) was exceeded by two infusion tea bag brands of M. boldus (0.220 mg kg −1) exceeded the same standard and the Mercado Común del Sur (MERCOSUR) parameters for only one brand.

sinensis (0.294 mg kg −1) exceeded the Codex Alimentarius standard for three of the four analyzed brands, while the level of arsenic in P. The moderate level of arsenic obtained for C. The concentrations of arsenic, cadmium, and lead in infusion tea bags of Camellia sinensis (tea), Pimpinella anisum (anise), Matricaria recutita (chamomile), Peumus boldus (boldo), and Cymbopogon citratus (lemongrass) were determined by graphite furnace atomic absorption spectroscopy (GFAAS) for four commercial brands sold in Tacna, Peru, to compare these concentrations with international standards.

Arsenic for tea blurb