Medicinal products of plant origin represent a wide variety of products. For example, medicinal teas made from dried parts of the plant as well as oily or aqueous extracts, tinctures or natural ointments fall under the designation phytopharmaceuticals. In contrast to synthetic active ingredients, which usually consist of clearly defined individual substances, phytopharmaceuticals are mixtures of many substances. On the quality control of a mixture of many substances with regard to identity, content and purity is much more difficult than that of a single molecule. In addition to the number of analytes, the often complex plant sample matrices are another analytical challenge. INTERLABOR has decades of experience in the field of quality assurance of phytopharmaceuticals and a correspondingly extensive service portfolio.

  • Identity and content determination of active substances in finished products
  • Quantitative determination of cannabinoids (THC, THC-A, CBD, CDB-A & CBN)
  • Pesticide screening for hemp (circa 300 pesticides incl. pesticides from Ph. Eur. 2.8.13, USP <561> and EU regulation EG No. 296/2005 cat. 0632010)
  • Pesticide screening for plant drugs (circa 550 pesticides)
  • Pesticides acc. to European Pharmacopoeia Ph.Eur. 2.8.13
  • Quantitative determination of terpenes  (17 lead compounds)
  • Quantitative determination of pyrrolizidine alkaloids (Methode BfR; 28 lead compounds)
  • Heavy metals in herbal drugs according to European Pharmacopoeia Ph.Eur. 2.4.27 (lead, cadmium, mercury)
  • Determination of aflatoxin B1 acc. to Ph.Eur. 2.8.18
  • Determination of ochratoxin A acc. to Ph.Eur. 2.8.22
  • Detection of polycyclic aromatic hydrocarbons
  • Various microbiological tests according to Ph.Eur./USP


If you have any questions or require further information, please feel free to browse through our FAQ section or contact our customer advisors directly.

Your contact person for phytopharmaceuticals 

Martina Lingg

Customer Advisor


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