Pyrrolizidine alkaloids (PAs) are a group of naturally occurring alkaloids based on the structure of pyrrolizidine. PAs are produced by plants as a defense mechanism against insect herbivores. Due to their potential detrimental health effects, pyrrolizidine alkaloids (PA) must be avoided in food and beverages. PA in Tea and Herbal Infusions The German Federal Institute … Continue reading Avoiding Pyrrolizidine Alkaloid Contamination in Herbal Raw Material and Tea