Abstract:When the approach to quality control of herbal substances (HSs) and herbal medicinal products (HMPs) changed from determination of the total content of heavy metals by calorimetry to selective determination by spectrometric techniques, many manufacturers of such products failed to meet the new requirements in their registration dossiers. Test procedures submitted by manufacturers often need to be clarified, and validation protocols often lack data.The aim of the study was to provide recommendations to HS and H… Show more
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