Medicinal plants and their preparations in the European market: Why has the harmonization failed? The cases of St. John’s wort, valerian, ginkgo, ginseng, and green tea
Botanical ingredients based on plants, algae, fungi or lichens have become widely available on the European Union market offering numerous preparations with considerable differences in classification. They are under the categories of food supplements, herbal medicinal products, cosmetics or medical devices. The aim of the present work is to highlight how the European regulations concerning…