Studies on the representativeness of sampling large lots of dried herbs and dried spices for their pyrrolizidine alkaloid content and results of the subsequent homogenisation of the laboratory sample
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Since 2022, maximum levels for pyrrolizidine alkaloids (PAs) in herbs and spices have been in force in the EU. In this context, the representativeness of sampling and sample processing (including the homogeneity of the laboratory sample) poses a major challeng... ...
