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What is Pyrrolizidine Alkaloids in Israeli Teas about?

The study analyzed 70 tea bags from various teas and herbal teas sold in Israeli supermarkets for pyrrolizidine alkaloids (PAs) and tropane alkaloids (TAs). Chamomile, peppermint, and rooibos teas contained high levels of dehydro PAs, the carcinogenic form of PAs, in almost all samples. Black and green teas contained lower amounts. No dehydro PAs were found in fennel and melissa herbal teas. Concentrations of dehydro PAs in chamomile, peppermint, and rooibos teas ranged from 20 to 1729 μg/kg. TA levels per

Author

Kobi Shimshoni

Language

EN