The quality of food supplements made from plants is an ongoing subject of debate inside the European community. These products are usually a complex mixtures of ingredients derived from plants of different origins and composition, and the quality of products can be affected by a countless number of factors including the incorrect identification of the plant species, the presence of naturally present compounds of some concern, unintentional contamination by biological, physical or chemical contaminants, or fraudulent adulteration with other plants and/or the addition of illegal substances.
The specific quality issues of plants for food supplements have been addressed and discussed at the conference dedicated to the Quality of Plant food supplements in Vienna 11 July 2013 and hosted by the Institute of Animal Nutrition and Functional Plant Compounds University of Veterinary Medicine.
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