The German Federal Institute for Risk Assessment said on the 15th, researchers selected 221 kinds of German market common flower and fruit tea samples tested, including fennel tea, chamomile tea, mint tea, nettle tea, etc., the results found that some of the tea pyrrolizidine alkaloids in the content of the "unexpectedly high". Pyrrolizidine alkaloids is a kind of natural toxic alkaloids, exists in many plants, the content depends on the plant species, parts, soil conditions and other differences, excessive intake can lead to acute liver injury. Animal studies have also shown that some pyrrolizidine alkaloids are carcinogenic and mutagenic.
The German Federal Institute for Risk Assessment warned that drinking tea with excessive pyrrolizidine alkaloids should not cause acute health damage if it is only consumed for a short period of time, but there are health risks associated with long-term overdose, and children, pregnant women, and breastfeeding mothers in particular need to pay attention.
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